СПОСОБ И УСТРОЙСТВО НАНЕСЕНИЯ МЕТОК ДЛЯ МАРКИРОВКИ ПОВЕРХНОСТИ ГАЗОДИНАМИЧЕСКИМ МЕТОДОМ

Изобретение относится к способу и устройству для нанесения меток для маркировки поверхности газодинамическим методом. Способ включает разгон газопорошковой взвеси сверхзвуковой газовой струей в разгонном канале и последующее нанесение порошка газопорошковой взвеси. Сверхзвуковую газовую струю подают в разгонный канал из сверхзвукового сопла, в которое сжатый газ подают от источника газа. Газопорошковую взвесь подают в разгонный канал из камеры эжекции, в которую ее подают из питателя порошкового материала, в виде вихря через кольцевой зазор, образованный внешней поверхностью сверхзвукового сопла и внутренней поверхностью камеры эжекции в месте ее соединения с корпусом разгонного канала. Устройство включает разгонный канал, камеру эжекции, сверхзвуковое сопло, источник сжатого газа и питатель порошкового материала. Сверхзвуковое сопло частично расположено внутри камеры эжекции соосно ей с образованием кольцевого зазора в закритической части сверхзвукового сопла. Вход сверхзвукового сопла ...

СПОСОБ ПОКРЫТИЯ СУПЕРАБРАЗИВА МЕТАЛЛОМ

Изобретение относится к способу покрытия суперабразивных, а именно алмазных, частиц металлом, указанные покрытые частицы применяют для изготовления инструментов из суперабразива, предназначенных для шлифования и резания, или для металлизированных алмазных изделий. Предложенный способ покрытия суперабразивных частиц включает использование порошка, образующего покрытие из соединения, содержащего металл, при этом металл термически восстанавливают из соединения путем помещения суперабразивных частиц и образующего покрытие порошка вместе в инертную атмосферу, последующего нагрева суперабразивных частиц и образующего покрытие порошка от по меньшей мере 500°С до температуры ниже температуры деструкции суперабразива, в течение времени, достаточного для эффективного осаждения слоя металла по меньшей мере на один участок поверхности каждой суперабразивной частицы и образования химической связи между ними, охлаждения суперабразивных частиц и образующего покрытие порошка до температуры ниже температуры ...

УСТРОЙСТВО ДЛЯ НАНЕСЕНИЯ ПОРОШКОВОГО ПОКРЫТИЯ

Изобретение относится к металлургической промышленности, а также может быть использовано в машиностроении, авиакосмической технике, в автомобильной промышленности, энергетике, строительстве, нефтегазовой промышленности и других отраслях хозяйства для нанесения покрытий. Изобретение содержит корпус пистолетного типа с сверхзвуковым соплом, штуцерами подачи порошка и рабочего газа, кнопкой управления, камерой смешения порошка и рабочего газа, которая сообщена со штуцерами подачи рабочего газа и порошка, а сверхзвуковое сопло соответственно сопряжено и сообщено с камерой смешения. Устройство позволяет мобильно, оперативно и качественно наносить порошковое покрытие на изделие в полевых условиях, в том числе и в экстремальных ситуациях. Кроме того, с помощью предложенного устройства можно оперативно производить ремонтно-восстановительные работы в любых условиях, в том числе полевых. 2 ил.

УСТРОЙСТВО ДЛЯ НАНЕСЕНИЯ ПОКРЫТИЙ НА ВНУТРЕННИЕ ПОВЕРХНОСТИ ИЗДЕЛИЙ

Изобретение относится к металлургической промышленности, может быть использовано в машиностроении, авиакосмической технике, в автомобильной промышленности, энергетике, строительстве, нефтегазовой промышленности и других областях хозяйства для нанесения покрытий на внутренние поверхности изделий. Устройство содержит бункер для порошковой смеси с питателем-дозатором, камерой смешения, системы подачи рабочего газа в камеру смешения и питатель-дозатор, сообщенные с источником рабочего газа. Устройство содержит распыливающую головку с кольцевым коллектором, кольцевым сверхзвуковым соплом, поворотным устройством, которое выполнено кольцевым, осесимметричным относительно центральной оси распыливающей головки, при этом оно расположено в корпусе распыливающей головки, сопряжено и сообщено с кольцевым сверхзвуковым соплом, а ось кольцевого поворотного устройства, являясь продолжением оси кольцевого сверхзвукового сопла, расположена по отношению к ней под углом 90±5o, а выходное сечение кольцевого ...

СТАЛЬНЫЕ ИЗДЕЛИЯ С ПОКРЫТИЕМ ИЗ КАРБИДА И СПОСОБ ИХ ИЗГОТОВЛЕНИЯ

Изобретение относится к способам нанесения покрытия путем химического осаждения для получения твердых, износостойких покрытий. В предложенных способах на поверхность из стали, содержащей, по крайней мере, 0,2% по весу углерода, предпочтительно от 0,7% до 1,2%, и от 4% до 12% по весу хрома, наносят, по крайней мере, один металл 5-ой группы, имеющий атомный номер не больше 41, химическое осаждение осуществляют при вращении изделия в герметичной емкости при температуре от 870°С до 1100°C и при практически полном отсутствии воздуха с источником в виде порошковой смеси, по крайней мере, одного металла 5-ой группы, имеющего атомный номер не больше 41, и галоидного катализатора. При этом порошковая смесь содержит до 50% по весу инертных частиц от общего веса смеси. Предложенным способом изготавливают валики цепей с твердым покрытием, содержащим от 1% до 3% карбида хрома. Сталь для изготовления изделий содержит в вес.%: углерод 0,7-1,2, хром 4-8, марганец - 0,25-0,45, кремний - 0,25-0,55, молибден ...

СПОСОБ НАНЕСЕНИЯ ПОКРЫТИЯ НА ПОВЕРХНОСТЬ СУБСТРАТА И ПРОДУКТ С ПОКРЫТИЕМ

Изобретение относится к способам нанесения покрытий, в частности антикоррозийных. Согласно способу подают поток газа со сверхзвуковой скоростью, который образует с порошком газопорошковую смесь, и направляют поток на поверхность объекта. При этом используют порошок материала, выбранного из группы, включающей ниобий, тантал, вольфрам, молибден, титан, цирконий, никель, кобальт, железо, хром, алюминий, серебро, медь, смеси по меньшей мере двух из них или их сплавы друг с другом или с другими металлами, выбранными из группы, включающей родий, палладий, платину, золото и рений, причем порошок имеет размер частиц от 0,5 до 150 мкм, содержание кислорода менее 500 ч./млн и содержание водорода менее 500 ч./млн. Технический результат - повышение плотности покрытия. 16 з.п. ф-лы, 7 ил., 2 табл.

УСТРОЙСТВО ГАЗОДИНАМИЧЕСКОГО НАНЕСЕНИЯ ПОКРЫТИЙ НА ВНЕШНИЕ ЦИЛИНДРИЧЕСКИЕ ПОВЕРХНОСТИ ИЗДЕЛИЙ

Изобретение относится к устройству газодинамического нанесения покрытий на внешние цилиндрические поверхности изделий и может быть использовано в машиностроении и других областях хозяйства. Устройство содержит питатель-дозатор, систему подачи рабочего газа и порошка в форкамеру (1), узел напыления и средство продольного перемещения изделия. Узел напыления выполнен в виде N>1 многоканальных кольцевых секций, установленных вдоль оси напыляемого изделия на расстоянии друг от друга и зафиксированных относительно друг друга на заданный угол. Каналы, образованные плоскими сменными вставками (4), расположены равномерно по периметру кольцевой секции и образуют плоские сверхзвуковые сопла с размером канала в критическом сечении hи углом раскрытия α, обеспечивающими угол соударения напыляемых частиц с поверхностью изделия 60÷90° и число Маха на срезе сопла M=1÷3. Длина и ширина сверхзвуковой части каналов обеспечивает оптимальное ускорение напыляемых частиц. Выбор числа каналов обеспечивает оптимальное ...

СПОСОБ ГАЗОДИНАМИЧЕСКОГО НАНЕСЕНИЯ ПОКРЫТИЙ И СОПЛОВОЙ БЛОК ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Изобретение относится к технологии и средствам для газодинамического нанесения покрытий из порошковых материалов и может быть использовано в машиностроении и других отраслях промышленности для получения покрытий, придающих различные свойства обрабатываемым поверхностям. Способ включает нагрев сжатого газа, подачу нагретого сжатого газа в сверхзвуковое сопло, введение предварительно нагретого порошка в сверхзвуковую часть сопла с одновременным отводом тепла от стенок сопла, ускорение порошка в сопле нагретым газовым потоком, нанесение ускоренных частиц порошка на поверхность изделия. Сжатый газ подают сначала в нагреватель, из него он поступает в сверхзвуковое сопло 1, от сверхзвуковой части которого с помощью теплообменника 3 отводится тепло. При этом порошок вводят в теплообменник через отверстие 5 и транспортируют по каналу 4. По мере перемещения по каналу порошок нагревается и в таком состоянии подается в сверхзвуковую часть сопла через отверстие 2 в сверхзвуковой газовый поток. Изобретение ...

СПОСОБ НАНЕСЕНИЯ ПОКРЫТИЙ ИЗ ПОРОШКОВЫХ МАТЕРИАЛОВ И УСТРОЙСТВО ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Изобретение относится к технологии нанесения покрытий и могут быть использованы для получения покрытий из металлов, их механических смесей и диэлектриков, придающих различные функциональные свойства обрабатываемым поверхностям. Создают поток газа-носителя, вводят в него порошковый материал, смешивают его с потоком газа носителя, ускоряют образованный газопорошковый поток в сопле и формируют его заданный профиль. Одновременно создают второй поток газа-носителя, подогревают, формируют его заданный профиль, а затем ускоряют в сопле. После этого накладывают ускоренный газопорошковый поток заданного профиля на поток газа-носителя заданного профиля, а суммарный поток направляют на изделие. В устройстве источник сжатого воздуха соединения газопроводом с узлом подогрева. Смесительная камера соединена с порошковым дозатором-питателем. Вход смесительной камеры соединен с промежуточным соплом. Сопловой блок образован двумя ускоряющими соплами, выходные сечения которых расположены в одной плоскости ...

СКОЛЬЗЯЩИЙ ЭЛЕМЕНТ И СКОЛЬЗЯЩИЙ ЭЛЕМЕНТ ДЛЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

Изобретение относится к скользящему элементу и к скользящему элементу для двигателя внутреннего сгорания. Скользящий элемент содержит подложку и сформированное на подложке покрытие. Покрытие содержит области медного сплава, полученные из частиц дисперсионно-твердеющего медного сплава, соединенные друг с другом проходящими между ними поверхностями раздела. Указанные области медного сплава содержат от 2 до 5 мас.% никеля и кремний в качестве дополнительных элементов. Обеспечивается получение скользящего элемента, обладающего отличной износостойкостью, и скользящего элемента для двигателя внутреннего сгорания. 2 н. и 6 з.п. ф-лы, 15 ил., 2 табл., 4 пр.

СПОСОБ ГАЗОДИНАМИЧЕСКОГО НАПЫЛЕНИЯ АНТИКОРРОЗИОННОГО ПОКРЫТИЯ ИЗ КОРРОЗИОННО-СТОЙКОЙ КОМПОЗИЦИИ НА ПОВЕРХНОСТИ КОНТЕЙНЕРА ДЛЯ ТРАНСПОРТИРОВКИ И/ИЛИ ХРАНЕНИЯ ОТРАБОТАВШЕГО ЯДЕРНОГО ТОПЛИВА, ВЫПОЛНЕННОГО ИЗ ВЫСОКОПРОЧНОГО ЧУГУНА С ШАРОВИДНЫМ ГРАФИТОМ

Изобретение относится к способу газодинамического напыления антикоррозионного покрытия из коррозионно-стойкой композиции на поверхности контейнера для транспортировки и/или хранения отработавшего ядерного топлива, выполненного из высокопрочного чугуна с шаровидным графитом и может быть использовано, например, для покрытия полости контейнера, служащей для приема отработавшего ядерного топлива. Напыление покрытия осуществляют с помощью средства для гиперзвуковой металлизации, содержащего камеру сгорания и распылительное сопло. Упомянутое средство устанавливают в положение для нанесения покрытия, затем распыляют проволочный материал, соответствующий по своему химическому составу химическому составу коррозионно-стойкой стали, для чего подключают к проволочному материалу напряжение постоянного тока и зажигают электрическую дугу в упомянутой камере сгорания, в которую подают бутано-воздушную, или пропано-воздушную, или бутано-пропано-воздушную смесь. Затем распыляемый материал в среде этой смеси ...

СПОСОБ ГАЗОДИНАМИЧЕСКОГО НАПЫЛЕНИЯ ПОРОШКОВЫХ МАТЕРИАЛОВ И УСТРОЙСТВО ДЛЯ ЕГО РЕАЛИЗАЦИИ

Изобретение относится к способу газодинамического напыления порошковых материалов и устройству для его реализации и может быть использовано в машиностроении для получения покрытий, придающих различные свойства обрабатываемым поверхностям. Способ включает подачу порошковых материалов с различными свойствами одновременно через различные узлы подачи порошковых материалов в сверхзвуковую часть сопла и обеспечение оптимального режима напыления каждому порошковому материалу. Основной узел подачи порошковых материалов выполнен с возможностью раздельной подачи различных порошковых материалов одновременно в дозвуковую и/или сверхзвуковую части сопла. Дополнительные узлы подачи выполнены в виде сменных элементов, размещенных соосно вдоль сверхзвуковой части сопла один за другим с возможностью телескопического перемещения относительно друг друга и сверхзвукового сопла. Первый дополнительный узел смонтирован на выходе сверхзвукового сопла с зазором относительно его внешней стенки и с образованием кольцевого ...

СПОСОБ ПОДГОТОВКИ ПОВЕРХНОСТИ ИЗДЕЛИЯ ПЕРЕД НАНЕСЕНИЕМ ДЕТОНАЦИОННОГО ПОКРЫТИЯ

Изобретение относится к области газотермического нанесения покрытий, в частности к способу детонационного напыления покрытия. На поверхность воздействуют потоком абразивных частиц, формируемым с помощью установки детонационного напыления. Порошок для очистки подают на режимах напыления из отдельного дозатора, расположенного на расстоянии от среза ствола, при этом температурой и скоростью очищающих частиц на выходе обеспечивают максимальную степень активации напыляемой поверхности. После завершения этапа подготовки поверхности данный дозатор отключают, а дозатор с порошком для напыления частиц включают без остановки работы детонационной установки. Техническим результатом является повышение степени активации напыляемой поверхности и увеличение производительности. 1 ил.

УСТРОЙСТВО И СПОСОБ ДЛЯ ПОВЫШЕНИЯ ПРОДОЛЖИТЕЛЬНОСТИ СРОКА ЭКСПЛУАТАЦИИ ТОПОЧНОЙ УСТАНОВКИ, А ТАКЖЕ ТОПОЧНАЯ УСТАНОВКА, СНАБЖЕННАЯ ДАННЫМ УСТРОЙСТВОМ

Изобретение относится к области энергетики. Устройство для повышения срока службы топочной установки включает в себя, по меньшей мере, один газоведущий конструктивный элемент (4), при этом направляемый газ имеет загрязняющие компоненты (3). По меньшей мере, один газоведущий конструктивный элемент (4) имеет слой (5), причем слой (5) при загрузке газом, при отложении загрязняющего компонента (3) на слой (5), по меньшей мере, совместно частично с загрязняющим компонентом (3) является самостоятельно отделяемым посредством газового потока, и, по меньшей мере, один газоведущий конструктивный элемент (4) представляет собой перфорированную диафрагму (1) с некоторым числом отверстий (7). Загрязняющие компоненты представляют собой частицы твердого материала. Загрязняющие компоненты являются продуктом возникающей из-за газообразного соединения в газе химической реакции с газоведущим конструктивным элементом (4), которая приводит к осаждению на поверхности газоведущего конструктивного элемента (4).

СПОСОБ СОЗДАНИЯ УПРОЧНЕННОГО ПОВЕРХНОСТНОГО СЛОЯ НА ДЕТАЛЯХ ИЗ МЕТАЛЛИЧЕСКИХ СПЛАВОВ И КОМПОЗИЦИОННЫХ МАТЕРИАЛОВ

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СПОСОБ ГАЗОДИНАМИЧЕСКОЙ ОБРАБОТКИ ПОВЕРХНОСТИ ПОРОШКОВЫМ МАТЕРИАЛОМ И УСТРОЙСТВО ДЛЯ ЕГО РЕАЛИЗАЦИИ

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СПОСОБ НАНЕСЕНИЯ ПОКРЫТИЙ

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УСТРОЙСТВО ДЛЯ НАНЕСЕНИЯ ПОКРЫТИЙ

Сущностью изобретения является устройство, состоящее из бункера 1 для порошковой смеси с питателем-эжектором 2, камеры смешения 3, распыливающей головки 4, состоящей из кольцевой форкамеры 5 и сверхзвукового кольцевого сопла 6 и систем подачи рабочего газа в распылывающую головку 4. Устройство формирует покрытия на изделиях прокатных станов в ходе технологического процесса, при этом создает двухфазную газовую смесь (частицы + газ-носитель) с необходимыми газо- и термодинамическими параметрами, обеспечивающими технологичность нанесения покрытий и их качество. Устройство позволяет получать равномерное заданной толщины покрытие по всей поверхности изделия без ее вращения вокруг своей оси при том, что профиль поверхности может иметь любую форму (цилиндр, многогранник, уголок, галтель и т.д.) 2 ил.

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Изобретение относится к устройствам для нанесения покрытий на внутренние стенки протяженных изделий в глухих и сквозных отверстиях и может быть использовано в металлургической, машиностроительной и металлорежущих отраслях промышленности. Сущностью изобретения является устройство, состоящее из корпуса, сверхзвукового сопла 1, промежуточного сопла 2, профилированного центрального тела 3, коллектора 4 двухфазной смеси, перфорированной втулки 5 с каналами подвода газа 6 и двухфазной смеси 7, патрубков подвода газа 8 и взвеси частиц в газе 9, обрабатываемой детали 10. Устройство создает сверхзвуковое течение двухфазного потока заданного направления с необходимыми термо- и газодинамическими параметрами для формирования покрытий, обеспечивает расширение технологических и функциональных возможностей нанесения покрытий. Устройство позволяет наносить покрытия заданной толщины на внутренние поверхности протяженных изделий различной конфигурации, не вращая их вокруг своей оси, а также в глухих и сквозных ...

СПОСОБ ОБЛАГОРАЖИВАНИЯ МЕТАЛЛИЧЕСКОЙ ПОВЕРХНОСТИ ГРЕБНЯ КОЛЕСНОЙ ПАРЫ ЛОКОМОТИВОВ

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УСТРОЙСТВО ДЛЯ НАНЕСЕНИЯ ПОКРЫТИЙ НАПЫЛЕНИЕМ

Устройство для нанесения покрытий напылением порошковых материалов, включающее источник сжатого газа с пневмопроводами подачи газопорошковой смеси и сжатого газа, форкамеру и сверхзвуковое сопло, отличающееся тем, что выход пневмопровода подачи газопорошковой смеси размещен в выходном отверстии форкамеры и на наружной поверхности его выполнены резьбовые каналы, а выходное отверстие форкамеры совмещено с входным отверстием сверхзвукового сопла, выполненным в виде сужающегося конуса, и в стенках расширяющейся части сверхзвукового сопла выполнены боковые каналы, оси выходных отверстий которых совпадают с направлением движения газопорошкового потока.

УСТРОЙСТВО ДЛЯ ГАЗОДИНАМИЧЕСКОГО НАПЫЛЕНИЯ ПОКРЫТИЙ ИЗ ПОРОШКОВЫХ МАТЕРИАЛОВ

Устройство для газодинамического напыления покрытий из порошковых материалов, содержащее источник газа-носителя, порошковые питатели, блок напыления, включающий электронагреватель газа-носителя, расположенный в кожухе и соединенный газопроводом с источником газа-носителя, и ускоряющее сопло, а также блок контроля и управления электронагревателем, отличающееся тем, что в кожухе выполнены лабиринтные каналы для газа-носителя, охлаждающего наружные стенки кожуха и используемого в дальнейшем для разгона частиц порошкового материала, силовой регулирующий элемент расположен непосредственно в блоке напыления и выполнен с возможностью охлаждения потоком газа-носителя, причем управление нагревом газа-носителя осуществляется по ПИД закону микропроцессорным блоком, установленным непосредственно на напылительном блоке, имеющем несколько настраиваемых программ и при необходимости связь с ЭВМ.

СПОСОБ НАПЫЛЕНИЯ ВЫСОКОДИСПЕРСНЫХ ПОРОШКОВЫХ МАТЕРИАЛОВ И УСТРОЙСТВО ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

... 1. Способ напыления высокодисперсных порошковых материалов, включающий формирование газопорошкового потока, ускорение его до сверхзвуковой скорости и перенос на напыляемую поверхность изделия, отличающийся тем, что сверхзвуковой газопорошковый поток формируют из частиц порошка с дисперсностью 0,01-1 мкм, при этом в потоке перед напыляемой поверхностью создают непрерывную отрывную зону с острым углом при вершине, направленную навстречу набегающему сверхзвуковому газопорошковому потоку. ! 2. Устройство для напыления высокодисперсных порошковых материалов, содержащее источник сжатого газа, дозатор порошка, нагреватель газа, сверхзвуковое сопло, систему контроля и управления, отличающееся тем, что за срезом сверхзвукового сопла установлена соосно ему механическая игла, с возможностью изменения расстояния от вершины иглы до среза сопла и поверхности напыляемого изделия.

СПОСОБ НАНЕСЕНИЯ НАНОСТРУКТУРИРОВАННЫХ ИЗНОСОСТОЙКИХ ЭЛЕКТРОПРОВОДЯЩИХ ПОКРЫТИЙ

... 1. Способ нанесения наноструктурированных износостойких электропроводящих покрытий, включающий подачу порошковой композиции на основе Cu или Al с армирующими частицами в сверхзвуковой поток подогретого газа и нанесение этой порошковой композиции на поверхность изделия по линейной или иной зависимости путем подачи порошковой композиции из четырех дозаторов, отличающийся тем, что нанесение покрытия производят в две стадии, на первой стадии предварительно вводят в сверхзвуковой поток подогретого газа армирующие неметаллические ультрадисперсные частицы ZrO2, фракцией от 0,1 до 1,0 мкм из дозатора 1 и проводят обработку поверхности изделия до образования ювенильной поверхности, затем на второй стадии на ювенильную поверхность изделия из дозаторов 2, 3 и 4 наносят порошковую композицию с заранее выбранным соотношением компонентов на основе Cu или Al (дозатор 2) с использованием наночастиц квазикристаллического соединения системы Al-Cu-Fe (дозатор 3) и оксидов металлов ZrO2 (дозатор 1), Y2О3 ( ...

УСТРОЙСТВО ДЛЯ ГАЗОДИНАМИЧЕСКОГО НАНЕСЕНИЯ ПОКРЫТИЙ И СПОСОБ НАНЕСЕНИЯ ПОКРЫТИЙ

Изобретение относится к технологии нанесения покрытий на поверхности изделий, а именно к газодинамическим способам нанесения покрытий с использованием неорганического порошка, и может быть использовано в различных отраслях машиностроения. Сжатый газ поступает в нагреватель 1, где нагревается до необходимой температуры, обеспечивающей отсутствие налипания частиц на стенки сопла. Нагретый сжатый газ подается в сверхзвуковое сопло 2, в котором проходит последовательно сужающийся участок, горло 3, расширяющийся участок сопла и ускоряется до сверхзвуковой скорости. В этот сверхзвуковой поток газа через элементы 5 для ввода порошков в сопло вводятся порошки напыляемого материала. Частицы порошков ускоряются высокоскоростным потоком газа на ускоряющем участке 7 сопла и далее направляются на поверхность основы. Сущность изобретения заключается в том, что установлены параметры участка сопла, расположенного после элементов для ввода порошков и предназначенного для ускорения порошков, при которых ...

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Изобретение относится к технологии получения покрытий и может быть использовано в различных отраслях машиностроения при изготовлении или восстановлении деталей для придания поверхности повышенных характеристик сопротивления коррозии. Способ включает формирование на поверхности изделия подложки путем предварительного нагрева сжатого воздуха до температуры 400-500°C, подачи его в сверхзвуковое сопло, формирования в нем высокоскоростного воздушного потока, введения в этот поток порошкового материала из оксида алюминия и меди в равных долях и нанесения порошкового покрытия на основу до формирования толщины слоя подложки 0,3-0,4 мм, а также нанесение покрытия путем предварительного нагрева сжатого воздуха до температуры 400-500°C, подачи его в сверхзвуковое сопло, формирования в нем высокоскоростного воздушного потока, введения в этот поток порошкового материала из оксида алюминия и никеля в равных долях и нанесения порошкового покрытия до толщины 0,2-0,3 мм. Предложенный способ позволяет увеличить ...

СПОСОБ РЕМОНТА И ВОССТАНОВЛЕНИЯ КОМПОНЕНТОВ, ПОДВЕРГАЮЩИХСЯ ДИНАМИЧЕСКИМ НАГРУЗКАМ ИЗ АЛЮМИНИЕВЫХ СПЛАВОВ ДЛЯ ПРИМЕНЕНИЯ В АВИАЦИОННОЙ ТЕХНИКЕ

... 1. Способ ремонта и восстановления компонентов из алюминиевых сплавов, подвергающихся динамическим нагрузкам при использовании в авиационной технике, отличающийся тем, что ! (a) определяют основной материал, из которого был изготовлен компонент, подлежащий ремонту, ! (b) при необходимости компонент, подлежащий ремонту, подвергают предварительной обработке, ! (c) выбирают напыляемый материал, который имеет химические, физические и механические свойства, сравнимые с основным материалом, ! (d) параметры нанесения покрытия для последующего процесса нанесения покрытия выбирают таким образом, что оптимизируется сцепление внутри подлежащего нанесению слоя, ! (e) напыляемый материал наносят на компоненты, подлежащие ремонту с помощью напыления холодным газом для того, чтобы заменить удаленный вследствие износа и предварительной обработки материал и, ! (f) компоненты с покрытием подвергают последующей обработке таким образом, что восстанавливается первоначальная геометрия компонента. ! 2. Способ ...

УСТАНОВКА ДЛЯ ПОКРЫТИЯ МЕТАЛЛИЧЕСКИХ ИЗДЕЛИЙ

... 1. Установка для покрытия металлических изделий, содержащая камеру для нанесения полимерного покрытия и термокамеру, соединенные конвейерной лентой, отличающаяся тем, что каждая из камер содержит как минимум одну съемную вертикальную перегородку, а установка снабжена дополнительной конвейерной лентой. 2. Установка по п.1, отличающаяся тем, что одна из конвейерных лент выполнена реверсивной. 3. Установка по п.1, отличающаяся тем, что вертикальная перегородка выполнена подвижной. 4. Установка по п.1, отличающаяся тем, что поверхности вертикальной перегородки термокамеры содержат нагревательные элементы.

СПОСОБ ФОРМИРОВАНИЯ ПОКРЫТИЙ И ПОЛУЧЕНИЯ ОБЪЕМНЫХ ФОРМ И УСТРОЙСТВО ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

... 1. Способ формирования покрытий и получения объемных форм, например, на художественных изделиях из металлических и неметаллических материалов, включающий формирование сверхзвукового газопорошкового потока, ускорение его в сверхзвуковом сопле и перенос на напыляемую поверхность изделия, отличающийся тем, что используют газопорошковый поток, содержащий частицы порошка дисперсностью в широком диапазоне 0,03-200 мкм, после ускорения на выходе из сопла газопорошковый поток дополнительно подвергают ударной механоактивации при соударении с частично экранирующей преградой так, что частицы порошка дисперсностью 0,03-5 мкм наносятся на обрабатываемую поверхность изделия, не соударяясь с экранирующей преградой, а частицы порошка дисперсностью 5-200 мкм перед нанесением на обрабатываемую поверхность соударяются с частично экранирующей преградой и дополнительно измельчаются, при этом процесс соударения частиц ведут при комнатной температуре или соответствующей вязко-хрупкому переходу материала частиц ...

СПОСОБ ПОВЫШЕНИЯ ИЗНОСОСТОЙКОСТИ РАБОЧИХ ПОВЕРХНОСТЕЙ МЕТАЛЛИЧЕСКИХ ИЗДЕЛИЙ

Изобретение относится к обработке металлов, в частности к способу повышения износостойкости рабочих поверхностей металлических изделий, и может быть использовано в различных отраслях машиностроения. Осуществляют нанесение взрывом легирующего вещества в виде порошка на рабочую поверхность изделия. При нанесении покрытия взрывом слой легирующего вещества располагают непосредственно на рабочей поверхности изделия. Над ним располагают заряд взрывчатого вещества (ВВ), повторяющий форму рабочей поверхности изделия. Инициируют заряд ВВ, возбуждая в легирующем веществе скользящую ударную волну. Для повышения износостойкости рабочих поверхностей, для которых нежелательно увеличение твердости, между легирующим веществом и зарядом ВВ располагают инертную прокладку, повторяющую форму обрабатываемой поверхности. Преимуществами изобретения является повышение технологичности способа при одновременном увеличении сроков эксплуатации деталей за счет повышения износостойкости рабочих поверхностей. 1 з.п.

СПОСОБ НАНЕСЕНИЯ АНТИЗАДИРНОГО ПОКРЫТИЯ НА РЕЗЬБОВОЙ УЧАСТОК ТРУБ НЕФТЯНОГО СОРТАМЕНТА И УСТРОЙСТВО ДЛЯ ЕГО ОСУЩЕСТВЛЕНИЯ

Изобретение относится к технологии и оборудованию, применяемым для нанесения, преимущественно антизадирного покрытия, на резьбовые участки насосно-компрессорных труб. Способ включает вращение трубы относительно ее продольной оси и нанесение покрытия на поверхность ее резьбового участка. Нанесение покрытия производят по меньшей мере двумя воздушно-порошковыми струями. Поперечным сечениям струй придают прямоугольную форму и направляют их так, чтобы ось каждой струи находилась в плоскости, проходящей через ось трубы, и была наклонена по отношению к ней на угол, равный 30-40 градусам. Струи наклоняют по отношению к оси трубы в противоположные стороны. Широкие стороны струй в зоне обработки формируют с длиной, составляющей 0,3-1,0 от длины резьбового участка, и располагают их вдоль оси трубы. Предложено также устройство для нанесения покрытия заявленным способом. Техническим результатом изобретения является повышение качества напыления за счет равномерного распределения напыляемого металла по ...

УСТРОЙСТВО ДЕТОНАЦИОННОГО НАПЫЛЕНИЯ ПОКРЫТИЙ

Устройство для детонационного напыления покрытий содержит охлаждаемый ствол, соединенный со смесителем газов, снабженный свечой зажигания, и частично размещенную в стволе охлаждаемую трубку ввода в ствол напыляемого порошкообразного материала, соединенную с магистралью транспортирующего газа и имеющую выходной торец, расположенный в стволе, и входной торец, соединенный через промежуточную емкость с бункером порошкообразного материала. На бункере и корпусе промежуточной емкости установлены соответственно нагреватель и электронагреватель. В промежуточной емкости имеется элемент, регулирующий дозу вводимого материала. В частном случае имеется еще один нагреватель, установленный на магистрали.

СПОСОБ ИМПУЛЬСНОЙ ЭЛЕКТРОГАЗОДИНАМИЧЕСКОЙ ИДЕНТИФИКАЦИИ

... 1. Способ идентификации твердых материальных ресурсов путем присвоения им идентификационных номеров, накладывания информационной матрицы и внедрения в нее смеси различных частиц с помощью газовой струи, создаваемый за счет разряда внутри оболочки, снабженной сверхзвуковым соплом, отличающийся тем, что внутри основной оболочки располагают дополнительную герметичную оболочку из светопрозрачного материала, дополнительную цилиндрическую оболочку заполняют инертным газом, электрический разряд осуществляют между электродами, введенными через торцы дополнительной оболочки, а внутреннюю поверхность основной оболочки выполняют из светопоглощающегося легкоиспаряемого материала.2. Способ по п.1, отличающийся тем, что энергию разряда в дополнительной герметичной оболочке изменяют от 800 до 5000 Дж при длительности импульса от 10до 10с при частоте повторения импульсов от единичных до 10 Гц.3. Способ по п.1, отличающийся тем, что на выходе оболочки, вблизи сверхзвукового сопла, устанавливают пыж, заполненный ...

Способ восстановления титановых деталей

СКОЛЬЗЯЩИЙ ЭЛЕМЕНТ И СКОЛЬЗЯЩИЙ ЭЛЕМЕНТ ДЛЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

УСТРОЙСТВО ДЛЯ НАНЕСЕНИЯ ПОКРЫТИЙ

Изобретение относится к металлургической промышленности, в частности к оборудованию для нанесения покрытий на изделия прокатных станов (трубы, швеллера, уголки и т, д.). Цель повышение технологического процесса нанесения покрытий на поверхность изделий различной конфигурации без ее вращения вокруг своей оси и повышение качества покрытий. Предлагаемое устройство состоит из бункера для порошковой смеси с питателем-эжектором, камеры смешения, распыливающей головки, состоящей из кольцевой форкамеры и сверхзвукового кольцевого сопла и систем подачи рабочего газа в распыливающую головку. Устройство формирует покрытия на изделиях прокатных станов в ходе технологического процесса. Предлагаемое устройство создает двухфазную газовую смесь (частицы + газ-носитель) с необходимыми газо- и термодинамическими параметрами, обеспечивающими технологичность нанесения покрытий и качество покрытий. Устройство позволяет получать равномерное заданной толщины покрытие по всей поверхности изделия без ее вращения ...

СПОСОБ МИКРОДЕТОНАЦИОННОГО НАПЫЛЕНИЯ ПОКРЫТИЙ

Способ микродетонационного напыления покрытий включает циклическое формирование в полузамкнутом объеме детонационных волн из ранее подаваемых порций горючей смеси с последующим истечением продуктов детонации в определенном направлении и их взаимодействие с напыляемым материалом, образующим в конечном итоге многослойное покрытие. Формируют многомерную или многофронтовую детонационную волну, состоящую из по крайней мере двух отделяемых детонационных ячеек, затем путем дополнительного воздействия, механического или иного, из сформированной детонационное волны выделяют как минимум одну детонационную ячейку, в продукты распада которой впоследствии вводят напыляемый материал, что и обеспечивает формирование микродетонационного покрытия. Путем повышения частоты формирования детонационных волн обеспечивают повышение устойчивости детонационной ячейки и времени ее существования. Вторую детонационную ячейку используют для формирования микродетонационного или иного покрытия и/или для необходимых дополнительных ...

СПОСОБ ГАЗОДИНАМИЧЕСКОГО НАПЫЛЕНИЯ ПОРОШКОВЫХ МАТЕРИАЛОВ И УСТРОЙСТВО ДЛЯ ГАЗОДИНАМИЧЕСКОГО НАПЫЛЕНИЯ ПОРОШКОВЫХ МАТЕРИАЛОВ (ВАРИАНТЫ)

... 1. Способ газодинамического напыления порошковых материалов, включающий нагрев сжатого газа, подачу его в звуковое сопло постоянного сечения, формирование в сопле закрученного газового потока, подачу в поток частиц порошкового материала, ускорение в сопле и нанесение на поверхность, отличающийся тем, что напыление ведут плоской струей газопорошкового потока с углом раскрытия равным β=40÷90°, который формируют заданной конфигурацией выходного сечения звукового сопла. ! 2. Устройство газодинамического напыления порошковых материалов, содержащее электронагреватель сжатого газа, звуковое сопло постоянного сечения, узел подачи порошкового материала в сопло, завихритель потока газа, размещенный в форкамере сопла, отличающееся тем, что сопло на выходе имеет плоский срез с углом α относительно оси сопла в пределах 0<α<90°. ! 3. Устройство газодинамического напыления порошковых материалов, содержащее электронагреватель сжатого газа, звуковое сопло постоянного сечения, узел подачи порошкового материала ...

УСТРОЙСТВО ДЛЯ НАНЕСЕНИЯ ПОКРЫТИЙ ИЗ ПОРОШКОВЫХ МАТЕРИАЛОВ

Устройство для нанесения покрытий из порошковых материалов, содержащее питатель-дозатор, систему подачи газа и частиц, сверхзвуковое и промежуточное сопла, отличающееся тем, что оно снабжено профилированным центральным телом, расположенным на выходе сверхзвуковой части сопл по их оси, а промежуточное сопло размещено в области критического сечения сверхзвукового сопла.

УСТРОЙСТВО ДЛЯ НАНЕСЕНИЯ АНТИФРИКЦИОННОГО ПОКРЫТИЯ

Полезная модель относится к машиностроению, а именно к чистовой упрочняющей обработке деталей, в частности к устройствам для безабразивной обработки поверхностей деталей из конструкционных сталей с применением УЗК. Задачей полезной модели является расширение технологических возможностей и упрощение конструкции устройства. Ожидаемым техническим результатом является создание единого механизма для базирования, закрепления и прижима торца цилиндрической детали к ультразвуковому индентору. Поставленная задача достигается тем, что в известном устройстве для нанесения антифрикционного покрытия на торец цилиндрической металлической детали, состоящим из механизма установки, вращения и прижима детали обрабатываемой поверхностью к сферическому индентору, установленному на механическом усилителе и получающему ультразвуковые колебания от пьезокерамического преобразователя, механизм установки, вращения детали и прижима обрабатываемой поверхности к сферическому индентору выполнен в виде металлической ...

Способ плакирования деталей

Titanmaterial und Abgasrohr für Motor

Titanlegierung mit äquiaxialer Struktur und hervorragender Hochtemperatur-Oxidationsbeständigkeit, bestehend aus 0,15 bis 2 Massen-% Si, unter 0,30 Massen-% Al, gegebenenfalls mindestens einem Element von Cu, Nb, Mo und Cr als ein Additiv, wobei die Summe des Si-Gehalts und des Additivgehalts oder die Summe des Si-, des Al- und des Additivgehalts 2 Massen-% oder weniger beträgt, gegebenenfalls Sauerstoff und Eisen, wobei die Summe des Sauerstoff- und Eisengehalts 0,20 Massen-% oder weniger beträgt, und als Rest Titan und unvermeidbaren Verunreinigungen, wobei die äquiaxiale Struktur eine mittlere Korngröße von 15 μm oder mehr aufweist.

Vorrichtung zum Erzeugen und Fördern eines Gas-Pulvergemisches

Bei einer Vorrichtung zum Erzeugen und Fördern eines Gas-Pulvergemisches ist ein Pulveraufnahmeraum (3) vorgesehen, der über eine in seinen oberen Bereich einmündende Unterdruckleitung (19) mit einer Unterdruckerzeugungseinrichtung verbunden ist. Hierdurch kann innerhalb des Pulveraufnahmeraums (3) ein im Vergleich zu einer Mischkammer (7) reduzierter Druck und damit innerhalb eines Pulverzuführkanals (6) ein entgegen der Pulverströmungsrichtung gerichteter Gasstrom erzeugt werden.

Piston for an I.C. engine has a coating made from an alloy and applied during compacting of the piston

Piston (1) has a coating (4) made from an alloy and applied during compacting of the piston. The ductility of the coating is more than the ductility of the piston material. Parts of the piston are also made from the same alloy. An Independent claim is also included for a process for coating a surface of the thermally and/or mechanically loaded regions of an I.C. engine by compacting.

Vorrichtung zum Kaltgasspritzen

VERFAHREN ZUR VERMEIDUNG VON PRESSSITZSCHÄDEN AN RADSÄTZEN, INSBESONDERE AN RADSÄTZEN VON SCHIENENFAHRZEUGEN

Improvements in or relating to the production of metallic coatings on the surfaces of metals

Metal articles are provided with a continuous coating of another metal by embedding them in a mass of clean malleable non-laminar particles of plating metal and impacting the particles so as to flatten and bond them on to the surfaces of the artcles in interfitting layers at a temperature below the melting point of the plating metal but high enough to permit the necessary distortion and flattening of the particles, the operation being carried out in a water-free gaseous or evacuated environment. The plating of small articles such as nails, nuts, bolts and other small hardware, preferably after cleaning by pickling or abrasive tumbling, may be carried out by tumbling them together with the plating particles, and optionally additional impacting material such as steel shot, in a tumbling mill, in which the air is dried by the action of the plating particles, or to which a non-oxidizing gas (e.g. from solid CO2) is supplied, or which is evacuated. The method is described as applicable to the ...

Cold spray apparatus having powder preheating device

Impact media for mechanical plating

An impact medium for use in mechanical plating comprises a mixture of spheroidal and non-spheroidal vitreous particles, a major part, at least, of the surface area of the non-spheroidal particles consisting of plane surfaces. The non-spheroidal particles are preferably polygonal in cross-section and their plane surfaces and their edges smooth to the touch. The latter particles may comprise between 5 and 80% of one volume of the mixture and may be of a size between 0.03 and 0.75 inch. The spheroidal particles may be of a size between 0.006 and 0.35 inch.ALSO:An impact medium for use in mechanical plating comprises a mixture of spheroidal and non-spheroidal vitreous particles, a major part, at least, of the surface area of the non-spheroidal particles consisting of plane surfaces. The non-spheroidal particles are preferably polygonal in cross-section and their plane surfaces and their edges smooth to the touch. The latter particles may comprise between 5 and 80% of the volume of the mixture ...

Improvements in or relating to corrosion preventing compositions

Corrosion-preventing coating compositions comprise a dispersive medium and a particulate material coated with lead, a lead alloy, tin or a tin alloy. The particulate material may be another metal such as aluminium, an aluminium alloy, magnesium, a magnesium alloy, or zinc, an organic elastomer such as polyvinyl chloride, polyethylene, polypropylene, or nylon, or an inorganic material such as mica, asbestos, vermiculite or micaceous iron ore. The ratio of coating agent to particulate material may be 2-15% by weight. Coating may be effected by milling. A suitable dispersing medium is an oil modified heat hardening phenolic resin. In the examples, the dispersing medium is an unspecified resin base. Composition 3 discloses lead coated polythene, polypropylene and polyvinyl chloride powders. The coated particles per se are claimed when coated by mechanical means.ALSO:A corrosion-preventing coating composition and lubricant for wire, paricularly steel wire, comprises a dispersive medium containing ...

DIRECT ORDER OF METALLIC LEADER SAMPLES ON ISOLATION SURFACES

PROCEDURE FOR THE COATING OF THE INTERNAL SURFACE OF THE WEAPON PIPE

PROCEDURE FOR MAKING AUFSCHWEISSSTABEN OF POWDER COMPOSITE MATERIAL WITH INCREASED DENSITY

SURFACE TREATMENT PROCEDURE OF A MECHANICAL PIECE OF STEEL PLANT OF MT OF HIGH STRENGTH AND SEALING SYSTEM, WHICH DEVELOP FOR BY THE APPLICATION OF THIS PROCEDURE

BOLT CONNECTION FOR STEEL TUBES

LAY ON A DETENTION COATING ON ENGINE CONSTRUCTION UNITS OF MEANS OF A COLD SPRAYING PROCEDURE

PROCEDURE FOR THE REPAIR OF A DAMAGED OUTER SKIN RANGE AT AN AIRPLANE

PROCEDURE FOR THE PRODUCTION OF AN FERROUSELECTRICAL COMPOSITE MATERIAL

PROCEDURE AND DEVICE FOR INJECTING A POWDERED MATERIAL INTO A FEED GAS

PROCEDURE FOR PRODUCING A LAYER BY COLD GAS SYRINGES

PROCEDURE FOR THE DIFFUSION BRAZE WELDING OF ARTICLES FROM SUPERALLOYS

VERFAHREN ZUM HERSTELLEN EINES MEHRSCHICHTIGEN GLEITLAGERS

The invention relates to a method for producing a multi-layered sliding bearing (1), according to which method at least one layer, in particular a sliding layer (3), is deposited on a surface of a substrate by a spraying method. The layer is produced from at least two different materials, wherein, in a first step, a first material (5) is sprayed onto the substrate only in at least one defined region (8), wherein regions of the substrate surface that are not intended to be coated by said material (5) are protected with a mask (6) against the deposition of the material (5) and wherein, in at least one second step, the further region(s) (9) is or are coated with at least one of the further materials by spraying.

Kupferband zur Herstellung von Leiterplatten

The invention relates to a band-shaped semi-finished product made of copper or a copper alloy, which consists of a substrate having the thickness s1, and of at least a coating having the thickness s2, which is applied onto the top side of the substrate by means of cold gas spraying. The substrate has on its top side in the uncoated state an average surface roughness Rz1. The coating has, on its surface facing away from the substrate, an average surface roughness Rz2 which is greater than the average surface roughness Rz1 of the top side of the substrate in the uncoated state.

Elektrisch leitende Bauteile mit verbesserter Haftung und Verfahren zu deren Herstellung

The invention relates to electrically conductive components which are made of at least one blank that has on its top side an average surface roughness Rz1. A coating having the thickness s2 is applied onto at least the top side of the blank by means of cold gas spraying, said surface having on its surface facing away from the blank an average surface roughness Rz2. The average surface roughness Rz2 of the coating is greater than the average surface roughness Rz1 of the top side of the blank. Due to the high roughness of the coating, it is possible to achieve a solidly adhering connection of the component with a plastic plate. The invention further relates to a method for producing such a component and to a process for producing a composite material that consists of at least one electrically conductive component and has at least one plastic plate.

PIEZOAKTOR WITH GRADIENT ENCAPSULATION LAYER AND PROCEDURE FOR ITS PRODUCTION

COLD AIRLESS SPRAYING PLANT AND COLD SPRAYING PROCEDURE WITH MODULATED GAS FLOW

DEVICE AND PROCEDURE FOR SOLIDS CREATION AND COMPRESSION OF PULVERTEILCHEN OF MEANS HIGH SPEED AND THERMAL OF PLASTIC DEFORMATION

BY SURGERY IMPLANTIERBARE OF PROSTHESIS PARTS

PROCEDURE FOR INCREASING KORRISIONSBESTÄNDIGKEIT A METALLIC WORKPIECE AS WELL AS WORKPIECE

LASER-PRODUCED POROUS SURFACE

TUNGSTEN DISULFIDE SURFACE TREATMENT AND METHOD AND APPARATUS FOR ACCOMPLISHING SAME

PRODUCTION OF COATED FOAMED PARTS, AND PARTS COMPRISING A CERAMIC OR HARD MATERIAL COATING

Coating method

A method of coating an article includes the steps of providing a powder comprising coated particles; and spray coating the powder onto a surface of the article to form a composite coating. The spray coating may be carried out by combustion spraying, gas plasma spraying, including vacuum plasma spraying (VPS), and cold spraying. The article may be an implant for surgical or dental use. The powder may include particles of metal coated calcium phosphates, especially metal coated hydroxyapatite. The particles may include bioactive agents.

Method of forming seamless pipe of titanium and/or titanium alloys

This invention relates to a method of forming sections of seamless titanium or titanium alloy pipe. The method involves providing a substrate for forming pipe and a sleeve of a section of pipe on the substrate. The pipe section has an end from which the substrate projects. The pipe is formed by spraying particles of titanium or titanium alloy generally parallel to a longitudinal axis of the substrate to impact a face of the end and to cause particles to bond to and to accumulate on the pipe end to form pipe. The method further involves moving formed pipe longitudinally relative to the substrate to remove formed pipe from the pipe-forming substrate and continuing to spray titanium or titanium alloy particles onto the end face to cause further pipe to form continuously and integrally with the formed pipe. This enables a seamless titanium or titanium alloy pipe to be formed of any desired length.

Electrode for evolution of gaseous products and method of manufacturing thereof

The invention relates to an electrode suitable as anode for evolution of gaseous products comprising a metal substrate coated with at least one titanium suboxide layer having an interconnected porosity and containing catalytic noble metal oxides. The invention further relates to a method of manufacturing such electrode comprising applying a mixture of titanium suboxides and noble metal oxide-based catalyst on a valve metal substrate via cold gas spray technique.

Method of applying metal coatings on particles and substrates

COMPOSITION FOR MECHANICALLY DEPOSITING HEAVY METALLIC COATINGS

BIPOLAR PLATE WITH METAL CORE AND CORROSION-RESISTANT LAYER FOR PEM FUEL CELLS

A bipolar plate (10) has a multi-layered structure including an inner metallic layer (12) and at least one outer metallic, corrosion-resistant layer 14 splatted, embedded, diffused and interlocked into the inner metallic layer. The corrosion-resistant layer (14) is deposited by thermal spray techinques such as high velocity oxygen fuel (HVOF) technology. Said layer is composed of nickel-based alloys, chromium-based alloys, carbide-based alloys or combinations thereof, whereas the inner metalic layer comprises stainless steel, aluminum, zinc, magnesium, the corresponding alloys and combinations thereof.

PROCESS AND COMPOSITION FOR IMPROVING THE CORROSION RESISTANCE OF A METAL SURFACE

PRODUCTION OF SALT-COATED MAGNESIUM PARTICLES

... of the Invention Salt-coated magnesium particles, useful as desulfurizing agents in steel making, are prepared by impacting onto magnesium particles a very fine salt powder, such as in a ball-mill, then screening to obtain 10-65 mesh size particles containing about 80% to about 95% Mg by weight. 27,220-F ...

IMPROVED PROCESS AND DEVICE FOR COATING A SUBSTRATE SUCH AS A RIBBON OF GLASS WITH A POWDERED PRODUCT

L'invention concerne le revêtement d'un substrat notamment en verre, par le procédé selon lequel une buse de distribution se terminant par une fente, projette sur ledit substrat chaud, un courant gazeux mélangé avec un produit pulvérulent qui se décompose à la chaleur et en particulier au contact du substrat chaud pour y former une couche mince de revêtement. L'invention propose de refroidir la zone de revêtement au voisinage du jet de produit issu de la buse pour éviter sa décomposition et d'aspirer directement les produits pulvérulents non immédiatement captés par le substrat. Elle propose également un dispositif. L'invention permet de fabriquer du substrat en verre revêtu sans voile.

COATED VEHICLE WHEEL AND METHOD

A method of coating a vehicle wheel (10) to increase wear and corrosion resistance of the vehicle wheel (10), includes the steps of providing a vehicle wheel (10) and applying a wear and corrosion resistant coating (14) onto a surface of the vehicle wheel (10). The coating (14) is applied to at least a tire bead retaining flange (16, 24) of the vehicle wheel (10). The coating (14) is of particular use with vehicle wheels (10) made of forged aluminum. The coating (14) is selected from tungsten carbide, optionally including cobalt or chrome, a nickel-based superalloy, aluminum and silicon carbide, or stainless steel. The coating (14) is typically applied to a thickness of about 0.004 - 0.01 inch. The surface of the vehicle wheel (10) may be prepared by mechanically abrading the surface or chemically etching the surface of the vehicle wheel (10). The coating (14) may be applied by cold spraying, thermal spraying, or triboelectric discharge kinetic spraying and other similar processes.

PROCESS FOR THE APPLICATION OF POWDER COATINGS TO NON-METALLIC SUBSTRATES

The present invention describes a process for the application of a powder coating to a non-conductive substrate by first exposing the non-conductive substrate to a combination of steam and heat at temperatures between 70 ~C and 140 ~C for a period between 5 seconds and up to 10 minutes, followed by electrostatic application of a powder coating to the substrate which is grounded; this simple and reliable pre-treatment method allows an efficient application of powder coatings to non-conductive substrates resulting in uniform and even deposition of the powder coating over the whole surface including edges and with no adverse effects on the subsequent curing of the powder film.

COATING METHOD

IMPROVED METHOD FOR PLASMA IMMOBILIZATION OF A BIOMOLECULE TO A SUBSTRATE VIA A LINKING MOLECULE

The current invention relates to a two step method for the immobilization of a biomolecule through a linking molecule on a sample surface of a substrate by generating and maintaining a non-thermal atmospheric pressure plasma at a temperature between room temperature and 60°C. The preferred plasma temperature is room temperature. The method comprises of a first step and second step, which are sequentially carried out. In the first step of the method, the linking molecule is deposited onto the sample surface through exposing the sample surface to a first plasma jet and the linking molecule, generating a linking layer onto the sample surface. In a second sequential step of the method, the biomolecule is deposited onto the linking layer through exposing the linking layer to a second plasma jet and the biomolecule.

A APPARATUS AND PROCESS FOR SOLID-STATE DEPOSITION AND CONSOLIDATION OF HIGH VELOCITY POWDER PARTICLES USING THERMAL PLASTIC DEFORMATION

Apparatus and process for solid-state deposition and consolidation of powder particles entrained in a subsonic or sonic gas jet onto the surface of an object. Under high velocity impact and thermal plastic deformation, the powder particles adhesively bond to the substrate and cohesively bond together to form consolidated materials with metallurgical bonds.

COLD GAS SPRAY GUN

The cold-gas spray gun comprises a high-pressure gas heater, which has a pressure vessel (1) through which a gas flows and has a heating element (3) arranged in the pressure vessel (1), and also comprises a mixing chamber (6, 14), in which particles can be fed to the gas by a particle feed (11). Arranged downstream of this in the direction of flow of the gas is a Laval nozzle (8), which comprises a converging portion (7, 12, 15), a nozzle neck (9) and a diverging portion (10). The high-pressure gas heater and/or the mixing chamber (6, 14) are at least partially internally insulated at the contact surfaces with the gas.

METHOD AND DEVICE FOR DEPOSITING A NON-METALLIC COATING BY MEANS OF COLD-GAS SPRAYING

A description is given of a method for depositing a non-metallic, in part icular ceramic, coating on a substrate (2) by means of cold gas spraying, wh ich comprises the method steps of: producing a reactive gas flow (5) compris ing at least one reactive gas, injecting into the reactive gas flow (5) part icles (4) consisting of at least one material required for producing a non-m etallic, in particular ceramic, coating material by reaction with the reacti ve gas, so as to form a mixture flow of reactive gas and particles (4), prod ucing reactive gas radicals in the mixture flow, and directing the mixture f low comprising reactive gas radicals and particles onto a surface of a subst rate (2) to be coated, and so a non-metallic, in particular ceramic, coating is deposited on the surface of the substrate (2). In addition, a descriptio n is given of a device (1) for carrying out the method.

METHOD FOR FORMING AN ELECTROCATALYTIC SURFACE ON AN ELECTRODE AND THE ELECTRODE

The invention relates to a method of forming an electrocatalytic surface on an electrode in a simple way, in particular on a lead anode used in the electrolytic recovery of metals. The catalytic coating is formed by a spraying method which does not essentially alter the characteristics of the coating powder during spraying. Transition metal oxides are used as the coating material. After the spray coating the electrode is ready for use without further treatment. The invention also relates to an electrode onto which an electrocatalytic surface is formed.

METHOD FOR COLD GAS DYNAMIC SPRAYING USING A MASK

The invention relates to a method for coating a carrier component (11) by cold gas dynamic spraying. According to the invention, a mask (12) is be used in said method. According to the invention, at least one further mask (12a) is used in addition to the mask (12), wherein the masks thus have a smaller thickness. Therefore, the mask openings can be completely filled with material (14), even when the flow conditions of the cold gas jet (16) that exist in the mask openings (13) are taken into account. In order to be able to lay the masks (12, 12a) one on the other, excess material (14) according to the invention is removed from the surface (18) of the particular mask (12, 12a) used and from above the mask opening between the coating steps. Advantageously, structures that are very high in relation to the areal extent thereof and nevertheless have perpendicular side walls (columnar structure) can be created by means of the method according to the invention.

INTEGRATED FLUIDJET SYSTEM FOR COATING A PART

A fluidjet system for electro-coating a surface of a part includes a jig for holding the part and a nozzle having a water inlet for receiving pressurized water and a particle inlet for receiving coating particles, the nozzle entraining the coating particles into a mixing chamber to generate a particle-entrained fluidjet capable of coating the surface of the part. The system includes an electric field generator for generating an electric field downstream of the nozzle to thereby charge the coating particles passing through the electric field, wherein the electric field generator comprises a switch for activating and deactivating the electric field.

STRUCTURE COMPRISING ELECTRICALLY SURFACE CONDUCTIVE LINES AND METHOD FOR MAKING ELECTRICALLY CONDUCTIVE LINES ON A SURFACE OF A STRUCTURE

Une structure (10) comportant au moins une ligne (20) électrique sur une face (11) de la structure, une couche (23) conductrice électrique de la ligne résultant d'un dépôt d'un matériau conducteur électrique par un procédé de projection à froid, et la ligne comporte une couche (22) de protection et d'accroche sur laquelle est déposé le matériau conducteur électrique par le procédé de projection à froid, la couche de protection et d'accroche formant un écran continu de protection entre la structure (10) et le matériau projeté à froid. Une couche isolante (21) est avantageusement située entre la structure et la couche de protection et d'accroche. Pour réaliser une ligne (20) électrique sur une surface d'une face (11) de la structure (10), il est mis en uvre une étape de projection à la flamme oxygaz d'un matériau de protection pour former une couche (22) de protection et d'accroche, suivie d'une étape de projection à froid du matériau conducteur électrique de la couche (23) conductrice sur ...

Method and device for spraying a pulverulent material into a carrier gas

Procédé de projection d'une matière pulvérulente dans un gaz porteur comprenant une accélération du gaz porteur sous pression jusqu'à une vitesse sonique avant une détente permettant d'entraîner de la matière pulvérulente, avec formation d'un débit de gaz porteur constant entraînant une quantité prédéterminée ajustable de matière pulvérulente et dispositif sécurisé de projection de matière pulvérulente dans un gaz porteur.

METHOD AND DEVICE FOR SPRAYING A PULVERULENT MATERIAL INTO A CARRIER GAS

Procédé de projection d'une matière pulvérulente dans un gaz porteur comprenant une accélération du gaz porteur sous pression jusqu'à une vitesse sonique avant une détente permettant d'entraîner de la matière pulvérulente, avec formation d'un débit de gaz porteur constant entraînant une quantité prédéterminée ajustable de matière pulvérulente et dispositif sécurisé de projection de matière pulvérulente dans un gaz porteur.

PROCESS FOR SURFACE TREATMENT OF A HIGH-STRENGTH STEEL MECHANICAL PART

L'invention concerne un procédé de traitement de surface d'une pièce mécanique en acier à haute résistance, visant à conférer à ladite pièce des propriétés en frottement et en lubrification nécessaires à son utilisation. Conformément à l'invention, le procédé comporte les étapes successives suivantes : a) on soumet la pièce (P) à une étape de finition primaire organisée pour abaisser sa rugosité en surface (Ra) à un premier seuil prédéterminé (S1) ; b) on soumet ensuite la pièce (P) à un nettoyage de surface au moyen d'une solution de dégraissage ; c) on soumet la pièce (P) ainsi nettoyée à une étape de tribofinition organisée pour d'une part abaisser encore sa rugosité en surface (Ra) à un deuxième seuil prédéterminé (S2) qui est inférieur au premier seuil prédéterminé (S1), et d'autre part augmenter sa mouillabilité aux fluides hydrauliques ; et d) on soumet la pièce (P) à une projection, à haute vitesse et à température ambiante, de poudre de bisulfure de tungstène (WS2)se présentant ...

COLD-SPRAY NOZZLE AND COLD-SPRAY DEVICE USING COLD-SPRAY NOZZLE

In order to efficiently obtain a high-quality film by cold spraying, the objective of the present invention is to provide a nozzle for cold spray allowing for greatly improved long-term sustained usage over the prior art, without the occurrence of nozzle clogging. To achieve the objective, there is used a convergent-divergent nozzle for cold spray having a working gas flow channel configured by communicatingly disposing a convergent part, a throat part, and a divergent part, in this order, along the direction in which a working gas flows from an inflow side to an outflow side, the nozzle for cold spray being characterized in that the divergent part has an inner-wall surface having a conic shape, at least a part of the inner-wall surface being constituted of a glass material.

LOW-FRICTION SURFACE COATINGS AND METHODS FOR PRODUCING SAME

A coated article system includes a substrate and a surface coating on the substrate. The surface coating is formed by depositing individual particles of a composite metal powder with sufficient energy to cause the composite metal powder to bond with the substrate and form the surface coating. The composite metal powder includes a substantially homogeneous dispersion of molybdenum and molybdenum disulfide sub-particles that are fused together to form the individual particles of the composite metal powder.

INTEGRATED FLUIDJET SYSTEM FOR STRIPPING, PREPPING AND COATING A PART

A method of stripping, prepping and coating a surface comprises first stripping the exiting coating from a surface, using continuous or pulsed fluid jet, followed by prepping the surface by the same fluid jet. The method also provides entraining particles into a fluid stream, if desired to generate a particle-entrained fluid stream that is directed at the surface to be stripped and prepped. The particles act as abrasive particles for prepping the surface to a prescribed surface roughness required for subsequent application of a coating to the surface. The method then entails coating the surface by electrically charging particles having the same chemical composition as the particles used to prep the surface. Finally, a charged- particle-entrained fluid stream is directed at high speed at the charged surface to coat the surface. The particles form both mechanical and electronic bonds with the surface.

Apparatus for Localized Coating of Cascade Impactor Particle Collection Surfaces

The invention relates to apparatuses and methods for applying a coating material to the collection surfaces of the stages after an impactor is assembled for use. The apparatuses and methods comprise generation of a multimodal droplet aerosol of liquid coating material and delivering it into the impactor. The coating substance improves the trapping of particles on the stages. The apparatuses and methods limit the total amount of coating material applied and confine it to the regions of particle impact opposite the stage orifices, thereby reducing the possibility of chemical interference when analyzing a test aerosol.

Method for applying a layer of electrical insulation material to a surface of a conductor

A method is provided for applying a layer ( 12 ) of electrical insulation material to a surface ( 14 ) of a conductor ( 16 ). One embodiment of the method involves preparing the surface ( 14 ) of the conductor ( 16 ), followed by cold spraying a plurality of mica particles ( 28 ) onto the surface ( 14 ) of the conductor ( 16 ). Another embodiment of the method involves preparing the surface ( 14 ) of the conductor ( 16 ), followed by cold spraying a plurality of boron nitride (BN) particles onto the surface ( 14 ) of the conductor ( 16 ).

Thin-walled structural component, and method for the production thereof

A method for producing a thin-walled structural component from a casting material. The casting material is supplied as a powder, and the powder is deposited on a support ( 1 ) by a kinetic cold gas spraying process so as to form the structural component ( 11, 11′ ). A structural component which is made of a casting material and in which the structure is formed from a plurality of particles ( 17 ) that are interlinked and deformed using a cold gas spraying process.

Method for cold gas spraying of a layer having a metal microstructure phase and a microstructure phase made of plastic, component having such a layer, and use of said component

In a method for cold gas spraying a layer, coating particles are accelerated in a cold spraying nozzle. The particles have a plastic encapsulation. In said manner, the plastic is precipitated onto the substrate together with the metal material, thereby forming in particular layer compositions having good sliding properties, dirt repellent properties, or lubricating properties. The coating can be used as a bearing component of a sliding bearing, as a flow component, in particular as a rotor blade of wind power plants or body components of transportation vehicle, or as trim components of structures.

Cold spray gun

An improved cold spray gun apparatus and system, which prevents nozzle clogging and erosion of the nozzle material. The nozzle can be configured as a non-monolithic assembly that includes a passageway for spraying powder material. The passageway can include a converging section and a diverging section. Such an arrangement is, in part, a result of a selection of specific nozzle material for the diverging section and a cooling system. The improved cold spray gun enables applying coatings at high spray parameters (e.g., pressure up to 5 MPa, temperature up to and in excess of 1000° C.), and can achieve high quality coatings, deposition efficiency, density, adhesion and cohesion, and other advantages. Additionally, the disclosed apparatus makes it possible to spray a wide range of powder materials in commercial applications without nozzle clogging or nozzle erosion during continuous operation.

Deposition System, Method And Materials For Composite Coatings

A composite powder for a deposition of a composite coating comprises a nonmetallic component and a metallic component, the metallic component having an amorphous structure or a nanocrystalline structure. The metallic component may include an amorphous metallic alloy. The metallic alloy may include constituents having the amorphous structure. The metallic component may include a combination of the metallic alloy existing in the amorphous state and constituents of the amorphous metallic alloy in the amorphous state. The composite metal-ceramic powders are used for depositing composite coatings on a selected surface. Disclosed are several methods and systems for producing such composite powders. Disclosed are also several methods and systems for depositing composite coatings. Advantageously, the deposited coatings exhibit high corrosion resistance, high wear resistance, and excellent structural properties.

Applying bond coat using cold spraying processes and articles thereof

A process for applying a bond coat layer to a substrate includes cold spraying a first powdered material onto a surface of the substrate at a first velocity, wherein the first powdered material has a first particle size distribution; and cold spraying a second powdered material onto the surface at a second velocity to form the bond coat layer, wherein the second powdered material has a second particle size distribution and the bond coat layer comprises a microstructure comprising at least the first and second particle sizes.

Methods of joining metallic protective layers

In various embodiments, protective layers are bonded to a steel layer and connected by a layer of unmelted metal powder produced by cold spray.

COLD-SPRAY NOZZLE AND COLD-SPRAY DEVICE USING COLD-SPRAY NOZZLE

An object of the present invention is to provide a cold-spray nozzle that can be continuously used for a long time without causing clogging up of the nozzle compared to a conventional case to effectively obtain a high-quality film by a cold-spray method. To achieve the object, the cold-spray nozzle that is a convergent-divergent type cold-spray nozzle comprising a convergent part, a throat part, and a divergent part sequentially arranged in this order for constituting a working gas flow path along a working gas flow direction from an inlet side to an outlet side is employed. The inner peripheral surface of the divergent part has a conical shape and at least a part of the inner peripheral surface is constituted by a glass material. 1. A convergent-divergent type cold-spray nozzle comprising:a convergent part;a throat part; anda divergent part sequentially arranged in this order for constituting a working gas flow path along the working gas flow direction from an inlet side to an outlet side, whereinan inner peripheral surface of the divergent part has a conical shape and a part of or the entire inner peripheral surface is constituted by a glass material.2. The cold-spray nozzle according to claim 1 , wherein a part of the inner peripheral surface constituted by the glass material in the divergent part is the area from the position within 50 mm from the throat part toward the outlet side of the working gas to the spout from where the working gas ejects.3. The cold-spray nozzle according to claim 1 , wherein claim 1 , the glass material is quartz glass or borosilicate glass.4. A cold-spray device characterized in that comprising the cold-spray nozzle according to .5. The cold-spray nozzle according to claim 2 , wherein claim 2 , the glass material is quartz glass or borosilicate glass.6. A cold-spray device characterized in that comprising the cold-spray nozzle according to .7. A cold-spray device characterized in that comprising the cold-spray nozzle according to .8. ...

CARBON DIOXIDE SNOW EJECTING DEVICE

A carbon dioxide snow ejecting device is provided to achieve efficient cleaning by widely ejecting carbon dioxide snow while suppressing consumption loss of carbon dioxide gas. The device includes a carbon dioxide gas supply source for generating carbon dioxide snow, a straightened-flow gas supply source for supplying straightened-flow gas for propelling the carbon dioxide snow, a carbon dioxide snow ejection port and first straightened-flow gas discharge ports incliningly opposing to each other so that the carbon dioxide snow ejection port is located therebetween. The device forms the ejected carbon dioxide snow in a flat shape by the effects of the straightened-flow gas. Thus, unlike conventional techniques, neither loss nor generation of particles will not be caused by the carbon dioxide snow collides the internal surface of a nozzle. Therefore, it is able to prevent situations where loss of carbon dioxide gas and poor cleaning. 1. A carbon dioxide snow ejecting device , comprising:a carbon dioxide gas supply source for generating carbon dioxide snow;a straightened-flow gas supply source for supplying straightened-flow gas for propelling the carbon dioxide snow;a carbon dioxide snow ejection port communicating with the carbon dioxide gas source and for ejecting the carbon dioxide snow; andfirst straightened-flow gas discharge ports communicating with the straightened-flow gas supply source and incliningly opposing to each other so that the carbon dioxide snow ejection port is located therebetween.2. The carbon dioxide snow ejecting device of claim 1 , wherein the carbon dioxide snow ejection port is arranged at or upstream of the junction of the straightened-flow gas discharged from the opposing first straightened-flow gas discharge ports.3. The carbon dioxide snow ejecting device of claim 1 , wherein a second straightened-flow gas discharge port for discharging straightened-flow gas for preventing clogging of the carbon dioxide snow ejection port is formed ...

PARTICLE DISPERSION DEVICE

The present invention relates to a particle dispersion device including: an injection unit for injecting particles; a chamber for preventing diffusion of the particles injected by the injection unit; and a dispersion unit formed inside the chamber to disperse the injected particles. 1. A particle dispersion device comprising:an injection unit for injecting particles;a chamber for preventing diffusion of the particles injected by the injection unit; anda dispersion unit formed inside the chamber to disperse the injected particles.2. The particle dispersion device according to claim 1 , wherein the dispersion unit is formed in an upper portion of the chamber.3. The particle dispersion device according to claim 1 , wherein the dispersion unit comprises:a dispersion plate against which the injected particles hit to be dispersed; anda fixing bar for fixing the dispersion plate.4. The particle dispersion device according to claim 3 , wherein the dispersion plate is concavely formed in a dish shape.5. The particle dispersion device according to claim 4 , wherein the dispersion plate is formed so that a concave surface thereof faces downward.6. The particle dispersion device according to claim 3 , wherein a plurality of projections are formed to project from a lower surface of the dispersion plate.7. The particle dispersion device according to claim 1 , wherein the injection unit comprises:an air supply unit for supplying air;a particle storing unit connected to the air supply unit to store particles;an injection nozzle for injecting the particles; anda guide tube for guiding the particles injected from the injection nozzle to the chamber.8. The particle dispersion device according to claim 7 , wherein the air supply unit is a portable hand pump.9. The particle dispersion device according to claim 7 , wherein the guide tube is formed so that one side thereof inserted into the chamber is bent upward.10. The particle dispersion device according to claim 1 , wherein the ...

Metal-clad hybrid article having synergistic mechanical properties

An article of manufacture includes a substrate having an outer surface clad with a metal construct including one or more continuous metal layers, at least one of which is an amorphous layer or a microcrystalline layer having a grain size below 5000 nm. A bonding layer is provided between the substrate and the layered metallic construct so that the bonding layer is in direct contact with the substrate and with the layered metallic construct. The bonding layer is made of a substantially fully cured resin including at least 10% of a rubber. The layered metallic construct has peel strength greater than 10N/cm. Also provided is a process for making the article including coating an article outer surface with a bonding layer and a layered metallic construct. The bonding layer is substantially fully cured before the layered metal construct is bonded to the article. The coated article is annealed.

Lamination, conductive material, and method for manufacturing lamination

A lamination includes: a substrate formed of aluminum or aluminum alloy; an intermediate layer formed of any one metal or nonmetal selected from the group consisting of silver, gold, chromium, iron, germanium, manganese, nickel, silicon, and zinc, or an alloy containing the any one metal, on a surface of the substrate; and a film layer formed by accelerating powder material of copper or copper alloy together with gas heated to a temperature lower than a melting point of the powder material and spraying and depositing a solid-phase powder material onto a surface of the intermediate layer.

Erosion and fatigue resistant blade and blade coating

A coating is described for an airfoil blade component. The coating comprises a cermet material and has, when applied to the rotor blade, a compressive residual stress greater than about 60 ksi. In another embodiment, the compressive residual stress of the coating is in the range of approximately 90-110 ksi.

Aluminum nitride film, method of manufacturing aluminum nitride film, and high withstand voltage component

An aluminum nitride film includes a polycrystalline aluminum nitride. A withstand voltage of the aluminum nitride film is 100 kV/mm or more.

COATING MATERIAL

A coating material has Cr-rich regions having a Cr content >95% by mass which form Cr-containing particles. At least some of these particles are present in the form of aggregates or agglomerates, at least some have pores and have in the Cr-rich regions a mean nanohardness of ≦4 GPa and/or a mean surface area, measured by BET, >0.05 m/g. The coating material is particularly suitable for cold gas spraying. There is also described a process for the production of a coating, and to a coating produced by the process. 128-. (canceled)29. A coating material , comprising:Cr-rich regions having a Cr content >95% by mass, said Cr-rich regions forming Cr-containing particles; andwherein one or more of the following is true:at least some of said Cr-containing particles are present in the form of aggregates or agglomerates;at least some of said Cr-containing particles have pores formed therein;{'sub': 'HIT 0.005/5/1/5', 'said Cr-rich regions have a mean nanohardness of ≦4 GPa; or'}said Cr-containing particles have a mean surface area >0.05 m2/g, measured by way of Brunauer-Emmett-Teller.30. The coating material according to claim 29 , configured in powder form or granulate form.31. The coating material according to claim 29 , wherein at least some of said Cr-containing particles have a mean porosity claim 29 , determined by quantitative image analysis claim 29 , of >10% by volume.32. The coating material according to claim 29 , which comprises a material with a lower yield strength than Cr applied to a surface of said Cr-containing particles claim 29 , at least in regions thereof.33. The coating material according to claim 29 , wherein said Cr-containing particles have a mean particle size or granule size d50 claim 29 , measured by laser diffractometry claim 29 , of 5 μm Подробнее

Turbine component having a low residual stress ferromagnetic damping coating

A turbine component having a low residual stress ferromagnetic damping coating. The ferromagnetic damping coating may include a ferromagnetic damping material applied in powder form, which may be directed at a surface of the substrate at an application velocity so that it causes partial plastic deformation of the surface while adhering to the surface of the substrate to create a ferromagnetic damping coating. The ferromagnetic damping coating has a balanced coating residual stress, including a tensile quenching stress component and a compressive peening stress component. The resulting coated substrate exhibits a high damping capacity.

COLD SPRAY PROCESS USING TREATED METAL POWDER

A method of applying a metal comprising titanium to a substrate is disclosed. The method comprises nitriding the surface of metal powder particles comprising titanium by contacting the particles with a first gas comprising nitrogen in a fluidized bed reactor, and depositing the metal powder particles onto the substrate with cold spray deposition using a second gas. 1. A method of applying a metal comprising titanium to a substrate , the method comprising:nitriding the surface of metal powder particles comprising titanium by contacting the particles with a first gas comprising nitrogen in a fluidized bed reactor; anddepositing the metal powder particles onto the substrate with cold spray deposition using a second gas.2. The method of claim 1 , wherein the metal powder particles comprise at least one titanium or titanium alloy selected from grades 5 (Ti—6Al—4V) and 23 (Ti—6Al—4V) claim 1 , according to ASTM B861-10.3. The method of claim 2 , wherein the metal powder particles comprise at least one titanium or titanium alloy selected from Ti—6Al—4V claim 2 , Ti—3Al—2.5V claim 2 , Ti—5Al—2.5Sn claim 2 , Ti—8Al—1Mo—1V claim 2 , Ti—6Al—2Sn—4Zr—2Mo claim 2 , α+β Ti—6Al—4V claim 2 , and near β Ti—10V—2Fe—3Al.4. The method of claim 1 , wherein the metal powder particles after nitriding comprise nitrogen at the particle surface and also comprise an internal particle portion that is free of nitrogen.5. The method of claim 1 , wherein the metal powder particles after nitriding have a surface nitrogen content ranging from 5.96 wt. % to 12.22 wt. % as determined by x-ray photoelectron spectroscopy.6. The method of claim 1 , wherein the metal powder particles after nitriding have a nitrogen:oxygen surface wt. % ratio of from 5.96:26.2 to 12.26:16.75 as determined by x-ray photoelectron spectroscopy.7. The method of claim 1 , wherein the first gas comprises at least 1 vol. % nitrogen.8. The method of claim 1 , wherein the first gas consists essentially of nitrogen.9. The method of ...

COLD SPRAY POWDER FEEDERS WITH IN-SITU POWDER BLENDING

A powder feeder for a cold spray system includes a rotatable drum body, a housing surrounding the drum body, and a support structure. The support structure couples to the housing and supports the housing such that the drum body rotates about a rotation axis to provide in-situ blending of powder disposed within an interior of the drum body. 1. A powder feeder for a high-pressure cold spray system , comprising:a rotatable drum body;a housing surrounding the drum body; anda support structure coupled to the housing, wherein the support structure is configured and adapted for supporting the housing such that the drum body rotates for blending material disposed therein, wherein the housing is a pressure vessel configured and adapted for sustaining an internal pressure of at least 800 pounds per square inch (5.5 MPa).2. A powder feeder as recited in claim 1 , wherein the housing is configured for drying and/or degassing material disposed within drum body by heating the drum body.3. A powder feeder as recited in claim 2 , wherein the housing is configured and adapted for applying vacuum and/or a nitrogen purge to material to an interior of the drum body.4. A powder feeder as recited in claim 1 , wherein the support structure supports the housing such that the drum body rotates about a rotation axis oblique with respect to vertical for tumbling material in the drum body.5. A powder feeder as recited in claim 1 , wherein the rotation axis is about a rotation axis oblique with respect to vertical.6. A powder feeder as recited in claim 1 , wherein the drum body has a circumferential wall with an opening on a first end and a plurality of metering apertures on an opposed second end.7. A powder feeder as recited in claim 6 , wherein the metering apertures are offset from the rotation axis by a common radial distance.8. A powder feeder as recited in claim 1 , further including a drum rider contacting an interior surface of the drum body and fixed with respect to the drum body.9. A ...

METHOD FOR COATING A SUBSTRATE SURFACE AND COATED PRODUCT

The present invention provides a cold sprayed layer of tungsten, molybdenum, titanium, zirconium, or of mixtures of two or more of tungsten, molybdenum, titanium and zirconium, or of alloys of two or more of tungsten, molybdenum, titanium and zirconium, or of alloys of tungsten, molybdenum, titanium, zirconium with other metals, wherein the cold spayed layer has an oxygen content of below 1,000 ppm. 1. A cold sprayed layer of tungsten , molybdenum , titanium , zirconium , or of mixtures of two or more of tungsten , molybdenum , titanium and zirconium , or of alloys of two or more of tungsten , molybdenum , titanium and zirconium , or of alloys of tungsten , molybdenum , titanium , zirconium with other metals , wherein the cold spayed layer has an oxygen content of below 1 ,000 ppm.2. The cold sprayed layer as recited in claim 1 , wherein the cold sprayed layer has a density of at least 97% of a density of a bulk material.3. The cold sprayed layer as recited in claim 1 , wherein the cold sprayed layer is made of tantalum or niobium.4. The cold sprayed layer as recited in claim 1 , wherein the cold sprayed layer is obtained by a method comprising applying coatings to surfaces claim 1 ,wherein a gas flow is sprayed at a supersonic speed onto a surface of an object, the gas flow comprising a mixture of a gas and a powder of a material selected from the group consisting of niobium, tantalum, tungsten, molybdenum, titanium and zirconium, alloys of nobium, tantalum, tungsten, molybdenum, titanium and zirconium, mixtures of nobium, tantalum, tungsten, molybdenum, titanium and zirconium, and alloys of nobium, tantalum, tungsten, molybdenum, titanium and zirconium with other metals, andwherein the powder has a particle size of from 0.5 to 150 μm and an oxygen content of less than 1,000 ppm.5. A coated object comprising at least one cold sprayed layer as recited in .6. The coated object as recited in claim 5 , wherein the cold sprayed layer is obtained by a method comprising ...

METAL-CERAMIC BASE MATERIAL, METAL-CERAMIC JOINT STRUCTURE, METHOD FOR PRODUCING METAL-CERAMIC JOINT STRUCTURE, AND MIXED POWDER MATERIAL

The present invention provides a metal-ceramic base material and the like which allow a ceramic base material and a desired metal material to be easily joined. A metal-ceramic base material () to be joined to a metal material (), includes: a ceramic base material (); and a metal film () provided on the ceramic base material (), the metal film () being formed by thermal spray of a mixed powder material containing aluminum, alumina, and nickel, at least part of the nickel being exposed on a surface of the metal film (). 1. A metal-ceramic base material to be joined to a metal material , comprising:a ceramic base material; anda metal film provided on the ceramic base material, the metal film being formed by thermal spray of a mixed powder material containing aluminum, alumina, and nickel, at least part of the nickel being exposed on a surface of the metal film.2. The metal-ceramic base material as set forth in claim 1 , wherein a cross-section of the metal film includes a first region that is mainly made from the alumina claim 1 , a second region that is mainly made from the aluminum claim 1 , and a third region that is mainly made from the nickel claim 1 , the first region claim 1 , the second region claim 1 , and the third region being provided in this order from a side on which the ceramic base material is provided.3. The metal-ceramic base material as set forth in claim 1 , wherein:the mixed powder material contains a plurality of alumina particles, a plurality of aluminum particles, and a plurality of nickel particles; andwhen the plurality of alumina particles, the plurality of aluminum particles, and the plurality of nickel particles are thermally sprayed onto the ceramic base material, an average air resistance against the plurality of alumina particles is smaller than an average air resistance against the plurality of aluminum particles, and the average air resistance against the plurality of aluminum particles is smaller than an average air resistance against ...

Cooling system and fabrication method thereof

A cooling system for a cold spray nozzle or a thermal spray barrel and a fabrication method thereof are provided. The cooling system includes a sleeve with cooling fins that encapsulate a spray nozzle or barrel to enable heat transfer from the nozzle or barrel to the fins and then to the external ambient environment. The sleeve may optionally include one or more channels with cooling tubes to enable enhanced cooling with a cooling medium flowing through the tubes and across the fins.

PROCESS OF FORMING A PHOTOACTIVE LAYER OF AN OPTOELECTRONIC DEVICE

A process of forming a thin film photoactive layer of an optoelectronic device comprising: providing a substrate having a surface comprising or coated with a metal M selected from at least one of Pb, Sn, Ge, Si, Ti, Bi, or In; and converting the metal surface or metal coating of the substrate to a perovskite layer. 165.-. (canceled)66. A process of forming a thin film photoactive layer of an optoelectronic device comprising:providing a substrate having a surface comprising or coated with a metal M selected from at least one of Pb, Sn, Ge, Si, Ti, Bi, or In; andconverting the metal surface or metal coating of the substrate to a perovskite layer comprising an organo-metal halide perovskite.67. A process according to claim 66 , wherein the substrate is coated with a metal M prior to the converting step by:applying at least one coating of a metal M selected from at least one of Pb, Sn, Ge, Si, Ti, Bi, or In to a substrate to form a coated substrate.68. A process according to claim 67 , wherein the at least one coating of a metal M is applied to the substrate by at least one of:a deposition method including at least one of electrodeposition, electrophoretic deposition, electroplating, or electroless deposition;a physical coating method including at least one of sputter, cold spray; or application of solid film or layer to the substrate; oran evaporative coating method.69. A process according to claim 67 , wherein the metal layer on the coating substrate is between 25 and 200 nm.70. A process according to claim 66 , wherein the converting step comprises: applying at least one perovskite precursor to the metal coating of the coated substrate to form the perovskite layer.71. A process according to claim 66 , wherein the converting step comprises:contacting the at least one coating of the metal coated substrate with a vapour X selected from a halide vapour comprising at least one of F, Cl, Br or I, or acetic acid vapour to form a metal compound MX2 coating on the coated ...

Bore Healing Mechanism

A device is provided for repairing erosion damage to a bore of a railgun with metal powder. The bore has a surface contour that extends longitudinally of the railgun. The device includes a housing, a profilometer sensor and a nozzle. The housing has a configuration that conforms to the surface contour and an upstream face on a longitudinal end. The profilometer sensor mounts to the upstream face to measure depth of the erosion and indicate a divot in the bore that involves repair to match the surface contour. The nozzle mounts to the upstream face to spray the metal powder from a reservoir within the housing in response to the divot indicated by the profilometer. 1. A device for repairing erosion damage to a bore of a railgun with metal powder , said bore having a surface contour extending longitudinally of said railgun , said device comprising:a housing having a configuration that conforms to the surface contour and an upstream face on a longitudinal end;a profilometer sensor mounted to said upstream face to measure depth of the erosion and indicate a divot in the bore that involves repair to match the surface contour; anda nozzle mounted to said upstream face to spray the metal powder from a reservoir within said housing in response to said divot indicated by said profilometer sensor.2. The device according to claim 1 , wherein said nozzle shifts laterally along a track that traces the surface contour.3. The device according to claim 2 , wherein said nozzle pivots to be perpendicular to the surface contour while shifting laterally along said track.4. The device according to claim 1 , wherein said profilometer sensor includes port and starboard profilometer sensors: The invention described was made in the performance of official duties by one or more employees of the Department of the Navy, and thus, the invention herein may be manufactured, used or licensed by or for the Government of the United States of America for governmental purposes without the payment of ...

OVERCOAT

According to embodiments, a method of forming a coating on an article includes forming a coating including an emitting layer. The emitting layer includes an elemental isotope with a known property that can be measured by a spectroscopic method. The elemental isotope provides a distinguishing identification tag for the coating, and the coating providing a layer of protection to the substrate. The method further includes depositing the coating on a surface of a substrate of the article. The elemental isotope is a stable isotope, an unstable isotope, a neutron scattering isotope, a neutron capturing isotope, or combinations thereof. 1. A method of forming a coating on an article , the method comprising:forming a coating comprising an emitting layer, the emitting layer comprising an elemental isotope with a known property that can be measured by a spectroscopic method, the elemental isotope providing a distinguishing identification tag for the coating, and the coating providing a layer of protection to the substrate; anddepositing the coating on a surface of a substrate of the article;wherein the elemental isotope is a stable isotope, an unstable isotope, a neutron scattering isotope, a neutron capturing isotope, or combinations thereof.2. The method of claim 1 , wherein the coating is deposited by a cold spraying method.3. The method of claim 1 , wherein the coating is deposited by painting claim 1 , powder coating claim 1 , primer method claim 1 , epoxy method claim 1 , RTV method claim 1 , thermal spraying claim 1 , vapor deposition claim 1 , liquid deposition claim 1 , electrolytic coating claim 1 , or a combination thereof.4. The method of claim 1 , wherein the coating further includes an attenuating layer disposed on the emitting layer that protects the emitting layer.5. The method of claim 1 , wherein the elemental isotope is an unstable isotope.6. The method of claim 5 , wherein the unstable isotope is a gamma ray emitting isotope.7. The method of claim 1 , ...

COLD SPRAY NOZZLES

A nozzle assembly for a cold spray deposition system includes a nozzle body with an axial bore. The axial bore defines a converging segment, a diverging segment downstream of the converging segment, and a throat fluidly connected between the converging and diverging segments of the axial bore. A particulate conduit is fixed within the axial bore and extends along the axial bore diverging segment for issuing solid particulate into the diverging segment of the axial bore. 1. A nozzle assembly for a cold spray system , comprising: a converging segment;', 'a diverging segment downstream of the converging segment;', 'a throat fluidly connected between the converging and diverging segments; and, 'a nozzle body with an axial bore, the axial bore defininga particulate conduit fixed within the axial bore and extending along the axial bore into the diverging segment for issuing solid particles into the diverging segment of the axial bore.2. An assembly as recited in claim 1 , wherein the particulate conduit includes an outlet disposed in the diverging segment.3. An assembly as recited in claim 2 , wherein the particulate conduit defines a substantially uniform flow area within both the diverging and converging segments of the axial bore.4. An assembly as recited in claim 1 , wherein the nozzle body includes a steel material.5. An assembly as recited in claim 1 , further including a motive gas coupling connected to the particulate conduit.6. An assembly as recited in claim 5 , wherein the motive gas coupling is a first motive gas coupling claim 5 , and further including a second motive gas coupling connected to the converging segment of the axial bore.7. An assembly as recited in claim 1 , further including an insert seated within the axial bore and fixing the particulate conduit within the axial bore.8. An assembly as recited in claim 7 , wherein the insert is seated within the converging segment of the axial bore.9. An assembly as recited in claim 7 , wherein the insert ...

Member for semiconductor manufacturing device

A member for a semiconductor manufacturing device includes an alumite base material including a concavity and a first layer formed on the alumite base material and including an yttrium compound. The first layer includes an outer surface, a first region on a side of the outer surface, and a second region provided in the concavity and located between the first region and the alumite base material. The concavity includes first and second portions respectively provided with the first and second regions. A width of the second portion is narrower than a width of the first portion in a cross section along a stacking direction and a boundary of the first layer in the concavity and the alumite base material being curved convex toward the outer surface of the first layer.

SLIDING MEMBER, AND SLIDING MEMBER OF INTERNAL COMBUSTION ENGINE

A sliding member includes a base substrate and a coating layer formed on the base substrate. The coating layer includes an inorganic part derived from at least one type of inorganic particles selected from the group consisting of iron base alloy particles, cobalt base alloy particles, chromium base alloy particles, nickel base alloy particles, molybdenum base alloy particles, and ceramic particles, and a metal part derived from at least one type of metal particles selected from the group consisting of iron base alloy particles other than listed in the above group, copper particles, and copper alloy particles. The inorganic part is bonded to another inorganic part and/or the metal part via interfaces therebetween, and the metal part is bonded to another metal part and/or the inorganic part via interfaces therebetween. The sliding member includes an interface layer including at least one of a diffusion layer and an intermetallic compound layer on at least one part of an interface between the base substrate and the coating layer or interfaces between the inorganic part and the metal part, the inorganic parts, and the metal parts. The interface layer has a thickness of equal to or less than 2 μm. 18-. (canceled)9. A sliding member comprising a base substrate and a coating layer formed upon the base substrate ,whereinthe coating layer comprises an inorganic portion derived from at least one type of inorganic particles selected from the group consisting of iron base alloy particles, cobalt base alloy particles, chromium base alloy particles, nickel base alloy particles, molybdenum base alloy particles, and ceramic particles, and a metal portion derived from at least one type of metal particles selected from the group consisting of iron base alloy particles other than listed in the above group, copper particles, and copper alloy particles, with the inorganic portion and the metal portion being bonded together via. an interface;the sliding member includes an interface layer ...

ANTENNA INCORPORATED IN A DISPLAY SCREEN

A handheld device can include an encasing, communications circuitry contained within the encasing, and a display screen associated with the encasing. The display screen can include a light emitting panel, a transparent panel, and an antenna panel disposed between the light emitting panel and the transparent panel. The antenna panel can include at least one antenna element electrically coupled to the communications circuitry. The antenna element is at least semitransparent to light emitted from the light emitting panel. 1. A handheld device , comprising:an encasing;communications circuitry contained within the encasing; and a light emitting panel;', 'a transparent panel; and', 'an antenna panel disposed between the light emitting panel and the transparent panel, the antenna panel including at least one antenna element electrically coupled to the communications circuitry, and the antenna element being at least semitransparent to light emitted from the light emitting panel., 'a display screen associated with the encasing, the display screen including2. The handheld device of claim 1 , wherein the handheld device is a smartphone.3. The handheld device of claim 1 , wherein the display screen is a touch-sensitive display screen.4. The handheld device of claim 1 , wherein the light emitting panel is a thin-film-transistor liquid-crystal display panel.5. The handheld device of claim 1 , wherein the antenna element is printed on the antenna panel.6. The handheld device of claim 1 , wherein the antenna element is sprayed on the antenna panel.7. The handheld device of claim 1 , wherein the antenna element is chemically grown on the antenna panel.8. The handheld device of claim 1 , wherein the antenna element on the antenna panel is a first antenna element configured to intermittently augment a second antenna element that is not included in the display screen.9. The handheld device of claim 1 , wherein the light emitting panel claim 1 , the transparent panel claim 1 , and the ...

Methods of manufacturing a hidden antenna in an encasing of a handheld device

The disclosed techniques include a method of integrating antenna elements separated by concealed antenna breaks with an encasing. The method can include forming a continuous non-conductive coating on a conductive substrate. The continuous non-conductive coating has sufficient thickness and hardness to remain intact when gaps are etched in the conductive substrate to form separate conductive regions. The method also includes etching the gaps in the conductive substrate to form the conductive regions on the continuous non-conductive coating, and backfilling the gaps with a non-conductive substance such that the conductive regions, the non-conductive substance separating the conductive regions, and the continuous non-conductive coating collectively form a continuous encasing.

ANTENNA INCORPORATED IN A TOUCHSCREEN DISPLAY SCREEN

The disclosed embodiments include a handheld device including communications circuitry operable to process communications signals, antenna elements electrically coupled to the communications circuitry and operable to wirelessly communicate radio signals capable of being processed by the communications circuitry, and a touch-sensitive display screen including conductive elements having dual functionality to sense touch inputs and operate as the plurality of antenna elements to wirelessly communicate radio signals capable of being processed by the communications circuitry. 1. A handheld device comprising:communications circuitry operable to process communications signals;a plurality of antenna elements electrically coupled to the communications circuitry and operable to wirelessly communicate radio signals capable of being processed by the communications circuitry; anda touch-sensitive display screen including a plurality of conductive elements having dual functionality to sense touch inputs and operate as the plurality of antenna elements to wirelessly communicate radio signals capable of being processed by the communications circuitry.2. The handheld device of claim 1 , wherein the handheld device is a smartphone.3. The handheld device of claim 1 , wherein the plurality of conductive elements include capacitive sensors.4. The handheld device of claim 1 , wherein the plurality of conductive elements include a plurality of driving lines and a plurality of sensing lines.5. The handheld device of claim 1 , wherein antenna functionality of the plurality of conductive elements is enabled while the touch-sensitive display screen is being used as an touch-sensitive interface.6. The handheld device of claim 1 , wherein antenna functionality of the plurality of conductive elements is disabled while the touch-sensitive display screen is being used as an touch-sensitive interface.7. The handheld device of claim 1 , wherein the handheld device is a smartphone and antenna ...

FILM-FORMING MATERIAL

A film-forming material of the present invention contains an oxyfluoride of yttrium represented by YOF(X and Y are numbers satisfying 0 Подробнее

Cold Spray Repair of Engine Components

A method is provided for adding material to a turbine engine component. The method includes cold spraying a powder towards a region of the component to form a deposit on the region of the component, the component being formed of a parent material, the parent material being a superalloy or a titanium alloy and defining a parent material property value, and the deposit defining a deposit material property value equal to at least fifty percent of the parent material property. 1. A method for adding material to a turbine engine component , the method comprising:cold spraying a powder towards a region of the component to form a deposit on the region of the component, the component being formed of a parent material, the parent material being a superalloy or a titanium alloy and defining a parent material property value, and the deposit defining a deposit material property value equal to at least fifty percent of the parent material property valuewherein the deposit material property value and the parent material property value are each describing the same material property, the material property being one of the following: a tensile strength, a yield strength, an elongation, a fatigue, a brittleness, a bulk modulus, a compressive strength, a creep, a ductility, an elasticity, a fatigue limit, a flexibility, a flexural strength, a fracture toughness, a hardness, a malleability, a plasticity, a resilience, a shear strength, a stiffness, or a toughness.2. The method of claim 1 , wherein the deposit material property value is greater than 75 percent of the parent material property value and less than 200 percent of the parent material property value.3. The method of claim 1 , wherein the deposit material property value is greater than 90 percent of the parent material property value.4. (canceled)5. The method of claim 1 , wherein the material property being one of the following: a tensile strength claim 1 , a yield strength claim 1 , a creep claim 1 , a flexural strength ...

ANTI-CORROSION AND/OR PASSIVATION COMPOSITIONS FOR METAL-CONTAINING SUBSTRATES AND METHODS FOR MAKING, ENHANCING, AND APPLYING THE SAME

A method of disposing a corrosion resistant system to a substrate may comprise applying a plating material to the substrate; forming a chemical conversion coating solution by combining a solvent, at least one corrosion inhibitive cation comprising at least one of zinc, calcium, strontium, magnesium, or aluminum, at least one corrosion inhibitive anion comprising at least one of phosphate, molybdate, or silicate, and a complexing agent; and applying the chemical conversion coating solution to the plating material on the substrate. 1. A corrosion inhibition system disposed on a substrate , comprising:a plating material;a chemical conversion coating disposed on the plating material, the chemical conversion coating comprising a corrosion inhibitive cation comprising at least one of zinc, calcium, strontium or aluminum, a corrosion inhibitive anion comprising at least one of phosphate, molybdate, or silicate, and a complexing agent; anda corrosion inhibition composition disposed on the chemical conversion coating, the corrosion inhibition composition comprising a zinc oxide, a zinc phosphate, a calcium silicate, an aluminum phosphate, a zinc calcium strontium aluminum orthophosphate silicate hydrate, a molybdate compound, and a silicate compound.2. The corrosion inhibition system of claim 1 , wherein:the corrosion inhibitive cation is provided by at least one of zinc chloride, zinc sulfate, zinc nitrate, zinc molybdate, calcium molybdate, magnesium molybdate, zinc silicate, magnesium silicate, calcium silicate, zinc oxide, zinc phosphate, aluminum phosphate, magnesium phosphate, calcium phosphate, zinc calcium strontium aluminum orthophosphate silicate, calcium chloride, calcium sulfate, calcium nitrate, strontium chloride, strontium sulfate, strontium nitrate, aluminum chloride, aluminum sulfate, or aluminum nitrate; andthe corrosion inhibitive anion is provided by at least one of sodium phosphate, sodium silicate, sodium vanadate, zinc molybdate, calcium molybdate, ...

APPARATUS AND METHOD FOR MANUAL DISPENSING OF GRAINS OF POLLEN

An apparatus for controlled pollination of a maize plant is provided. The apparatus may include a reusable air discharger having an internal cavity and an outlet, and configured, when actuated, to expel air from the internal cavity through the outlet and into a single use, biodegradable applicator having a first open end and a second open end. The applicator may further be configured to receive at least one maize tassel containing maize pollen thereon, and to direct the maize pollen through the second end of the applicator upon actuation of the air discharger. A method for controlled pollination of two or more maize plants using a common air discharger is also provided. 1. An apparatus configured for manual dispensing of maize pollen , said apparatus comprising:a reusable air discharger having an internal cavity and an outlet, and configured, when actuated, to expel air from the internal cavity through the outlet; anda single use, biodegradable applicator having a first open end and a second open end, wherein the first open end is in communication with the outlet of the air discharger, andwherein the applicator is further configured to receive at least one maize tassel containing maize pollen thereon, and to direct the maize pollen through the second end of the applicator upon actuation of the air discharger.2. The apparatus of claim 1 , wherein the applicator comprises a cone made of a paper material claim 1 , and wherein the first open end of the applicator comprises a larger open end of the cone and the second open end of the applicator comprises a smaller open end of the cone.3. The apparatus of claim 1 , wherein the air discharger comprises a hand-operated bulb pump that further comprises an inlet claim 1 , and wherein claim 1 , when actuated claim 1 , the bulb pump is further configured to introduce air into the internal cavity through the inlet.4. The apparatus of claim 3 , wherein the bulb pump further comprises two one-way valves claim 3 , one of which is ...

SILICON CARBIDE REINFORCED ZIRCONIUM BASED CLADDING

A method for making an improved nuclear fuel cladding tube includes reinforcing a Zr alloy tube by first winding or braiding ceramic yarn directly around the tube to form a ceramic covering, then physically bonding the ceramic covering to the tube by applying a first coating selected from the group consisting of Nb, Nb alloy, Nb oxide, Cr, Cr oxide, Cr alloy, or combinations thereof, by one of a thermal deposition process or a physical deposition process to provide structural support member for the Zr tube, and optionally applying a second coating and optionally applying a third coating by one of a thermal deposition process or a physical deposition process. If the tube softens at 800° C.-1000° C., the structural support tube will reinforce the Zr alloy tube against ballooning and bursting, thereby preventing the release of fission products to the reactor coolant. 1. A method of making a nuclear fuel cladding tube comprising:covering a zirconium alloy tube with ceramic fiber yarn by applying the yarn directly onto the tube; andapplying a first coating to bind the ceramic fiber yarn to the tube.2. The method recited in wherein the first coating is made of a material selected from the group consisting of Nb claim 1 , Nb alloy claim 1 , Nb oxide claim 1 , Cr claim 1 , Cr alloy claim 1 , Cr oxide claim 1 , and combinations thereof.3. The method recited in wherein the first coating is applied by one of a physical vapor deposition process or a thermal deposition process.4. The method recited in wherein the thermal deposition process is one of a cold spray or a hot spray process.5. The method recited in wherein the physical vapor deposition process selected from the group consisting of evaporation and sputtering.6. The method recited in wherein the physical vapor deposition process is selected from the group consisting of cathodic arc vapor deposition claim 3 , magnetron sputtering deposition claim 3 , and pulsed laser deposition.8. The method recited in wherein the first ...

DIRECTIONAL COLD SPRAY METHOD

A directional cold spray nozzle defines a flow passageway that includes a bend for redirecting flow from a first flow direction to a second flow direction different from the first flow direction, wherein the flow passageway is divergent through at least a portion of the bend. The flow passageway may be convergent prior to becoming divergent in the path of flow. The directional cold spray nozzle simultaneously accelerates the powder and carrier gas and changes the spray direction of the spray plume to reach interior bore surfaces and other surfaces that are difficult or impossible to reach with a straight nozzle. 113.-. (canceled)14. A cold spray method of applying material to a workpiece , the method comprising the steps of:accelerating a flow of powder and a carrier gas through a nozzle;changing a direction of the flow as the carrier gas and the powder travel through the nozzle without introducing additional gas streams to the nozzle; anddischarging the flow from an exit end of the nozzle to a surface of the workpiece such that the powder adheres to the surface of the workpiece through solid state bonding;wherein the steps of accelerating the flow and changing the direction of the flow occur simultaneously; andwherein the surface of the workpiece is an interior surface of a hole having a diameter which is less than three inches.15. The method according to claim 14 , wherein the carrier gas is delivered to an entry end of the nozzle and the powder is injected into the nozzle through at least one injection port.16. The method according to claim 14 , wherein a mixture of the carrier gas and the powder is delivered to an entry end of the nozzle. The present invention relates generally to nozzles used in cold spray processes to apply material coatings workpiece surfaces.Cold gas dynamic spraying, commonly referred to as cold spraying, is a technique whereby powdered metal is deposited on a surface through solid state bonding. The bonding is achieved by accelerating the ...

Substrates for Enhancing Purity or Yield of Compounds Forming a Condensation Aerosol

A device for vaporizing a composition. The device comprises a thermally conductive substrate having a surface, the surface comprising a thermally conductive surface structure. A dry composition capable of a solid to liquid phase change upon being heated to at least a select temperature is disposed on the surface structure. The surface structure is configured to form liquid droplets of the composition upon heating of the surface structure to at least the select temperature. The liquid droplets have a median diameter less than a median diameter of liquid droplets formed on a planar substrate surface heated to at least the select temperature. 124.-. (canceled)25. A drug supply unit , wherein the drug supply unit is configured to heat a drug composition coated on a surface of a thermally conductive substrate to a temperature sufficient to vaporize the drug composition , the drug supply unit comprising a surface structure operatively associated with the surface , the surface structure being configured such that a drug composition vaporized from the surface comprising the surface structure exhibits a purity that is greater than the purity of a drug vaporized from the surface without the surface structure.26. A drug supply unit of wherein the surface structure is three dimensional.27. The drug supply unit of wherein the three dimensional surface structure comprises metallic particles disposed on the surface.28. The drug supply unit of wherein the metallic particles are suspended in a silicate binder.29. An aerosol drug delivery device comprising:a housing defining an airway;a drug supply unit disposed in the airway that is configured to heat a drug composition disposed on an exterior surface of a thermally conductive substrate to a temperature sufficient to vaporize the drug composition;the exterior surface of the thermally conductive substrate comprising a thermally conductive surface structure; anda drug composition disposed on the thermally conductive surface structure, ...

Cold Gas Dynamic Spray Apparatus, System and Method

A system for cold gas dynamic spraying of particulate material has a de Laval nozzle and two or more radial particle inlets located between the throat and the outlet of the nozzle, the two or more particle inlets arranged symmetrically around a linear flow path of the nozzle. Blocking of the inlets is reduced by controlling pressure of particle carrier gas to provide a stable particulate material injection pressure before and during introduction of working gas into the nozzle, and/or by clearing the particle inlets of residual particles after a spraying process. Such a system and associated method combines benefits of both downstream and upstream cold gas spray systems. Further, a nozzle for spraying particulate material having a cross-sectional shape that is narrower in a middle section compared to edge sections provides coatings with superior cross-sectional profiles.

Method For Producing A Hollow Body By Cold Spraying And Mould Core Suitable For Carrying Out Said Method

A method is disclosed for producing a hollow body by cold spraying. A mold core is used for producing the hollow body, the mold core being prepared for the production of the hollow body by cold spraying in a suitable manner by means of an auxiliary layer. The auxiliary layer may include or consist of a metallic material and therefore forms a suitable surface to which the particles processed by cold spraying remain adhered to form the hollow body. The mold core can therefore be produced from an inexpensive material such as sand or wood, although said materials are in principle have limited suitability for depositing metals by cold spraying. The auxiliary layer can be applied to the mold core as a foil, or be produced on the mold core by cold-spraying low-melting and/or soft materials, for example. 1. A method comprising , in the following order:forming a starting coat on a mold core, wherein the auxiliary layer is metallic or contains predominantly metallic components,coating the mold core using a cold spraying process to produce a hollow body,removing the mold core from the hollow body, andremoving the starting coat from the hollow body.2. The method of claim 1 , wherein the starting coat has a different material composition than the hollow body.3. The method of claim 1 , wherein the starting coat comprises an aluminum foil.4. The method of claim 3 , comprising adhesively bonding the aluminum foil onto the mold core.5. The method of claim 1 , wherein the starting coat is formed on the mold core by low-pressure gas dynamic spraying of a metallic material.6. The method of claim 5 , wherein the metallic material comprises one or more of zinc claim 5 , tin claim 5 , lead claim 5 , aluminum claim 5 , copper claim 5 , silver claim 5 , or gold claim 5 , or an alloy of zinc claim 5 , tin claim 5 , lead claim 5 , aluminum claim 5 , copper claim 5 , silver claim 5 , or gold.7. The method of claim 6 , wherein the starting coat has a multilayer design including multiple ...

Abrasive Tipped Blades and Manufacture Methods

An article ( 104;140 ) has an airfoil ( 100 ). The airfoil has a leading edge ( 114 ), a trailing ( 116 ) edge, a pressure side ( 118 ), and a suction side ( 120 ) and the airfoil extends from a first end ( 110 ) to a tip ( 112 ). The article comprises an aluminum alloy or titanium alloy substrate ( 352 ) and a coating at the tip. The coating comprises a cold sprayed nickel or cobalt matrix ( 352 ) and an abrasive ( 354 ).

Maxmet Composites for Turbine Engine Component Tips

A turbine engine system includes a turbine engine component having an airfoil portion and a tip, which turbine engine component having a MAXMET composite bonded to the tip. The MAXMET composite has MAX phases in a metal matrix. 1. A turbine engine system comprising:a turbine engine component having an airfoil portion and a tip;said turbine engine component having a MAXMET composite bonded to said tip.2. The turbine engine system according to claim 1 , wherein said MAXMET composite is a composite having MAX phases and a metal matrix.3. The turbine engine system according to claim 2 , wherein said metal matrix is at least one of a low claim 2 , medium claim 2 , and high melting point metal or metal alloy.4. The turbine engine system according to claim 2 , wherein said MAX phases are defined by the formula MAXwhere M is an early transition metal element claim 2 , A is an A-group element claim 2 , X is C or N claim 2 , and n=1 to 3.5. The turbine engine system according to claim 1 , further comprising an abradable coating which is engaged by the tip of said turbine engine component with said MAXMET composite.6. The turbine engine system according to claim 1 , wherein said turbine engine component is a vane.7. The turbine engine system according to claim 1 , wherein said turbine engine component is a blade.8. A turbine engine component comprising:an airfoil portion having a tip; anda MAXMET composite bonded to said tip.9. The turbine engine component according to claim 8 , wherein said MAXMET composite is a composite having MAX phases and a metal matrix.10. The turbine engine component according to claim 9 , wherein said metal matrix is at least one of a low claim 9 , medium claim 9 , and high melting point metal or metal alloy.11. The turbine engine component according to claim 9 , wherein said MAX phases are defined by the formula MAXwhere M is an early transition metal element claim 9 , A is an A group element claim 9 , X is carbon or nitrogen claim 9 , and n=1 to 3. ...

APPLICATOR MACHINE

An applicator machine and a process for heating and coating a section of pipeline. The applicator machine includes a frame configured to rotate about a section of pipeline to be heated and coated, rotating means operable to rotate the frame, and coating material applicators induction coils and radiant heaters mounted on the frame and rotatable therewith. The induction coil is configured to heat a section of pipeline adjacent to the induction coil to a coating material application temperature. The radiant heaters are configured to heat factory-applied coatings. Each coating material applicator sprays coating material through an aperture in a respective induction coil. The applicator includes an enclosure configured to surround a section of pipeline and provision for evacuating and collecting waste coating material. The coating material applicator may be configured to spray powder coating material, such as fusion bonded epoxy powder material and/or chemically modified polypropylene powder material. 1. An applicator machine for heating and coating a section of pipeline , the applicator machine comprising:a frame configured to rotate about a section of pipeline to be heated and coated;rotating means operable to rotate the frame;a coating material applicator mounted on the frame and rotatable therewith, andan induction coil mounted on the frame and rotatable therewith,wherein the induction coil is configured to heat a section of pipeline adjacent to the induction coil to a coating material application temperature and wherein the coating material applicator is arranged to spray coating material through an aperture through the induction coil.2. The applicator machine of claim 1 , wherein the coating applicator is arranged to spray a strip of coating material.3. The applicator machine of claim 2 , wherein the coating material applicator comprises a plurality of spray nozzles arranged in an elongate row.4. The applicator machine of claim 3 , wherein the nozzles are directed ...

METHOD FOR CLOSING A HOLE IN A METAL ARTICLE

A method for closing a hole penetrating a hole height from a first surface of a metal article through a second surface of the metal article is disclosed including removing a portion of the metal article surrounding the hole from the metal article. The portion includes a depth extending from the first surface into the metal article and terminating prior to the second surface. Removing the portion forms a support surface within the hole adjacent and opposite to the second surface. A metal support structure is disposed within the hole on the support surface, and a metal composition is applied into the hole and onto the metal support structure. The metal support structure, the metal composition, and the metal article are fused together. 1. A method for closing a hole penetrating a hole height from a first surface of a metal article through a second surface of the metal article , comprising:removing a portion of the metal article surrounding the hole from the metal article, the portion including a depth extending from the first surface into the metal article and terminating prior to the second surface, removing the portion forming a support surface within the hole adjacent and opposite to the second surface;disposing a metal support structure within the hole on the support surface;applying a metal composition into the hole and onto the metal support structure; andfusing the metal support structure, the metal composition, and the metal article together.2. The method of claim 1 , wherein applying the metal composition includes an additive welding technique.3. The method of claim 2 , wherein the additive welding technique is selected from the group consisting of consumable electrode welding claim 2 , scanning consumable electrode welding claim 2 , gas metal arc welding claim 2 , scanning gas metal arc welding claim 2 , flux core arc welding claim 2 , scanning flux core arc welding claim 2 , metal core arc welding claim 2 , scanning meal core arc welding claim 2 , and ...

COATING METHOD

When forming valve seat coats at opening portions (to ) of intake ports () provided at a cylinder block mounting surface () of a semimanufactured cylinder head (), the nozzle of a cold spray apparatus moves along a nozzle movement path for air intake (Inp) that is set between any two of the plurality of opening portions (to ), while continuing to spray a raw material powder. When forming valve seat coats at opening portions (to ) of exhaust ports (), the nozzle moves along a nozzle movement path for air exhaust (Enp) that is set between any two of the plurality of opening portions (to ), while continuing to spray the raw material powder. 111.-. (canceled)12. A coating method comprising:preparing a coating target component having a plurality of coating portions that are not continuous with one another;causing each of the plurality of coating portions and a nozzle of a cold spray apparatus to sequentially face each other while relatively moving the coating target component and the nozzle; andspraying a raw material powder onto the coating portions facing the nozzle using a cold spray method to form a coat on each of the plurality of coating portions,wherein in a nozzle movement path from a coating portion having been formed with the coat to another coating portion to be subsequently formed with the coat, injection of the raw material powder from the nozzle is continued and an angle of the nozzle with respect to the coating target component is set larger or smaller than that when the nozzle forms coats on the coating portions.13. A coating method comprising:preparing a semimanufactured cylinder head having a main body portion with a cylinder block mounting surface, a combustion chamber upper wall portion provided at the cylinder block mounting surface, and a plurality of opening portions of intake or exhaust ports, the opening portions being not continuous with one another;causing each of the plurality of opening portions and a nozzle of a cold spray apparatus to ...

Active cooling of cold-spray nozzles

Various embodiments disclosed relate to a method of cold-spray deposition involving cooling the cold-spray nozzle by at least one of expanding and vaporizing a compressed cooling fluid in proximity to the cold-spray nozzle. The present disclosure also includes a cold-spray deposition spray head, a cooling jacket for a cold-spray deposition nozzle and a cold-spray deposition system comprising the same.

REDUCING STRESSES IN METAL LAYERS

A system including: a polymer substrate with a thermal conductivity of less than 0.5 W/(m-k); a spreader to form a layer of metal particulate on the polymer substrate; a mask applicator to apply a mask to a portion of the layer of metal particulate; and a pulsed irradiation light source to fuse a portion of the layer of metal particulate not covered by the mask. 1. A system comprising:a polymer substrate with a thermal conductivity of less than 0.5 W/(m-k);a spreader to form a layer of metal particulate on the polymer substrate;a mask applicator to apply a mask to a portion of the layer of metal particulate; anda pulsed irradiation light source to fuse a portion of the layer of metal particulate not covered by the mask.2. The system of claim 1 , wherein the polymer substrate has a thermal conductivity of less than 0.1 W/(m-K).3. The system of claim 1 , wherein the polymer substrate has a thermal conductivity of less than 0.07 W/(m-K).4. The system of claim 1 , wherein the polymer substrate has a thermal conductivity of less than 0.05 W/(m-K).5. The system of claim 1 , wherein the polymer substrate has a thermal conductivity lower than a thermal conductivity of the metal particulate layer.6. The system of claim 1 , wherein the mask applicator is an ink jet.7. The system of claim 1 , wherein the polymer substrate is a composite.8. A method of forming a metal object claim 1 , the method comprising:forming a layer of metal particles on a polymer substrate, wherein the polymer substrate has a lower thermal conductivity than the layer of metal particles:masking a portion of the layer of metal particles; andmelting an unmasked portion of the layer of metal particles using a pulse radiation light source.9. The method of claim 8 , further comprising: repeating forming claim 8 , masking claim 8 , and melting to build up a multiple layer solid metal object.10. The method of claim 8 , wherein masking a portion of the layer of metal particles is performed with a printhead.11. ...

Cold Spray Nozzle

A spray nozzle has a body having a flow passage. At least along a portion of the flow passage the body has a depth-wise compositional variation having: a cemented carbide first region; and a cemented carbide second region closer to the flow passage than the first region and having a higher boron content than a boron content, if any, of the first region. 1. A spray nozzle comprising: a cemented carbide first region; and', 'a cemented carbide second region closer to the flow passage than the first region and having a higher boron content than a boron content, if any, of the first region., 'a body having a flow passage, wherein at least along a portion of the flow passage the body has a depth-wise compositional variation comprising2. The spray nozzle of wherein:the flow passage is converging-diverging.3. The spray nozzle of wherein the first region has a weight percent composition of:at least 80 percent tungsten carbide;at least 5.0 percent cobalt;no more than 0.1 percent boron, if any; andother elements, if any, no more than 1.0 percent total and no more than 0.75 percent individually.4. The spray nozzle of wherein the second region has a boron content of at least 0.2 weight percent higher than a boron content of the first region claim 1 , if any.5. The spray nozzle of wherein the second region has a boron content of at least 1.0 weight percent higher than a boron content of the first region claim 1 , if any.6. The spray nozzle of wherein the second region has a boron content of at least 0.2 weight percent.7. The spray nozzle of wherein:a boron content at a depth in the second region is 1.0 weight percent to 10.0% weight percent.8. A cold spray apparatus including the spray nozzle of and further comprising:a powder source; anda carrier gas source.9. The cold spray apparatus of further comprising:a heater for heating the carrier gas.10. A method for manufacturing the spray nozzle of claim 1 , the method comprising:placing a boriding powder into a passageway of a ...

HYDROGEN BASED COLD SPRAY NOZZLE AND METHOD

A method for cold spray deposition of a material on a substrate, comprising the steps of entraining a metal powder material in a stream of accelerant gas comprising hydrogen; forming a flow of shield gas around the stream of accelerant gas; and impacting the substrate with the stream of accelerant gas whereby the metal powder material is deposited on the substrate. 2. The method of claim 1 , wherein the stream of accelerant gas comprises a majority of hydrogen.3. The method of claim 1 , wherein the stream of accelerant gas comprises at least 70% vol hydrogen.4. The method of claim 1 , wherein the stream of accelerant gas comprises at least 90% vol hydrogen.5. The method of claim 1 , wherein the stream of accelerant gas has a critical velocity ratio of at least one.6. The method of claim 1 , wherein the stream of accelerant gas has a critical velocity ratio of between 1.5 and 2.0.7. The method of claim 1 , wherein the stream of accelerant gas is at a temperature of less than about 400° C.8. The method of claim 1 , wherein the stream of accelerant gas is at a temperature of less than about 200° C.9. The method of claim 1 , wherein gas mixture leaving an area of impact of the stream of accelerant gas with the substrate has a hydrogen content of less than 5% vol.10. The method of claim 1 , wherein the shield gas is selected from the group consisting of inert gases and gas which is substantially inert with the substrate and metal powder at temperature of the stream of accelerant gas claim 1 , and mixtures thereof.11. The method of claim 1 , wherein the shield gas is selected from the group consisting of nitrogen claim 1 , helium claim 1 , argon claim 1 , carbon dioxide and mixtures thereof.12. The method of claim 1 , wherein the shield gas is nitrogen.13. The method of claim 1 , wherein the metal powder material comprises particles of aluminum claim 1 , copper claim 1 , nickel claim 1 , iron claim 1 , tantalum claim 1 , niobium claim 1 , cobalt claim 1 , or mixtures or ...

MANUFACTURED METAL OBJECTS WITH HOLLOW CHANNELS AND METHOD FOR FABRICATION THEREOF

A method of forming a hollow structure in an additively manufactured object involves creating a pattern on a surface of a base material of the object with a sacrificial metal filler having a melting point of 350° C. or less, the pattern defining a shape of the hollow structure on the base material. A metal layering material is cold sprayed over the sacrificial metal filler and at least a portion of the base material. The sacrificial metal filler is removed from the pattern by melting the sacrificial metal filler without melting or deforming the base material or the metal layering material to leave the hollow structure in the object formed from the pattern. Non-standard cold spray conditions are used with the metal layering material to prevent damage and or displacement of the filler while still forming a coating of the metal layering material on the filler and base material. 1. A method of forming a hollow structure in an additively manufactured object , the method comprising:creating a pattern on a surface of a base material of the object with a sacrificial metal filler having a melting point of 350° C. or less, the pattern defining a shape of the hollow structure on the base material;cold spraying a metal layering material over at least portion the sacrificial metal filler and at least a portion of the base material, the metal layering material having a melting point higher than 350° C.; and,removing the sacrificial metal filler from the pattern by melting the sacrificial metal filler without melting or deforming the base material or the metal layering material, to leave the hollow structure in the object formed from the pattern.2. The method of claim 1 , wherein the sacrificial metal filler has a tensile strength in a range of from 15 MPa to 250 MPa claim 1 , a Modulus of elasticity in a range of from 10 GPa to 50 GPa and a Brinell hardness in a range of from 2 to 4.5.3. The method of claim 1 , wherein the melting point of the sacrificial metal filler is in a ...

MEMBER FOR SEMICONDUCTOR MANUFACTURING DEVICE

According to one embodiment, a member for a semiconductor manufacturing device includes an alumite base material including a concavity, and a first layer formed on the alumite base material and including an yttrium compound. The first layer includes a first region, and a second region provided in the concavity and located between the first region and the alumite base material. An average particle diameter in the first region is shorter than an average particle diameter in the second region. 1. A member for a semiconductor manufacturing device , comprising:an alumite base material including a concavity; anda first layer formed on the alumite base material and including an yttrium compound, a first region, and', 'a second region provided in the concavity and located between the first region and the alumite base material,, 'the first layer including'}an average particle diameter in the first region being shorter than an average particle diameter in the second region.2. The member for the semiconductor manufacturing device according to claim 1 , whereinthe average particle diameter of the first region is not less than 10 nanometers and not more than 19 nanometers, andthe average particle diameter of the second region is not less than 20 nanometers and not more than 43 nanometers.3. A member for a semiconductor manufacturing device claim 1 , comprising:an alumite base material including a concavity; anda first layer formed on the alumite base material and including yttrium oxide, a first region, and', 'a second region provided in the concavity and located between the first region and the alumite base material,, 'the first layer including'}the first region having a monoclinic crystal as a main phase, andthe second region having a cubic crystal as a main phase.4. A member for a semiconductor manufacturing device claim 1 , comprising:an alumite base material including a concavity; anda first layer formed on the alumite base material and including yttrium oxide,a crystal ...

A HEATING DEVICE, APPLICATIONS THEREFORE, AN OHMICALLY RESISTIVE COATING, A METHOD OF DEPOSITING THE COATING USING COLD SPRAY AND A BLEND OF PARTICLES FOR USE THEREIN

A heating device may include a substrate and a heating element disposed on a surface of the substrate. The heating element may include an ohmically resistive coating having a layer thickness of 2 to 300 microns. The ohmically resistive coating may include at least 30% by weight of at least one ductile or malleable metal and a plurality of electrically resistive particles. The ohmically resistive coating may be deposited via the at least one of the cold spray and the solid state deposition performed at a temperature below at least one of a melting temperature and a partially softening temperature of the at least one ductile or malleable metal. The ohmically resistive coating may exhibit less heterogeneity and porosity than a thermally sprayed coating, may have a density of 90% or greater, and may have a porosity of 10% or less. 1. A heating device , comprising:a substrate with a surface; at least 30% by weight of at least one ductile or malleable metal selected from a group including: copper, aluminium, zinc, and manganese; and', 'a plurality of electrically resistive particles that may include at least one of compounds and salts of at least one of a metal and a metalloid;, 'a heating element disposed on the surface, the heating element including an ohmically resistive coating deposited on the surface of the substrate via at least one of a cold spray and a solid state deposition, the ohmically resistive coating having a layer thickness of 2 to 300 microns and includeswherein the at least one ductile or malleable metal bonds the plurality of electrically resistive particles to the surface of the substrate to form the ohmically resistive coating;wherein the ohmically resistive coating is formed via the at least one of the cold spray and the solid state deposition performed at a temperature below at least one of a melting temperature and a partially softening temperature of the at least one ductile or malleable metal;wherein the ohmically resistive coating exhibits less ...

Turbine blade with hot-corrosion-resistant coating

A turbine blade of a gas turbine engine is described which includes an airfoil extending away from the hub platform to a blade tip. The airfoil defines a leading edge, a trailing edge, and a span-wise length extending between the platform and the blade tip. A hot-corrosion-resistant coating is located on the leading edge of the airfoil within a radially inner portion thereof, the radially inner portion extending away from the hub platform a desired distance along said span-wise length.

ADDITIVELY MANUFACTURED HEALTH MONITORING FEATURES

A health monitoring system for monitoring a lifecycle of an additively manufactured component having a microcrystalline structure that can be subjected to a cyclic operational stress is disclosed. The health monitoring system includes a plurality of additively manufactured health monitoring coupons disposed on the component in a representative position that is subjected to the cyclic operational stress, with the health monitoring coupons configured to be individually removable from the health monitoring system by precision machining. A lifecycle monitoring method includes the steps of monitoring one or more operational parameters of the additively manufactured component, calculating a sample trigger, removing a health monitoring coupon by a precision machining process based on the sample trigger, analyzing the health monitoring coupon by an inspection process, determining whether the additively manufactured component is usable and if so, resuming operating the additively manufactured component, otherwise replacing the additively manufactured component. 1. A health monitoring system for monitoring a lifecycle of an additively manufactured component having a microcrystalline structure that can be subjected to a cyclic operational stress , the health monitoring system comprising:a plurality of additively manufactured health monitoring coupons disposed on the component in a representative position that is subjected to the cyclic operational stress;wherein the health monitoring coupons are each configured to be individually removable from the health monitoring system by precision machining.2. The health monitoring system of claim 1 , further comprising a flat base disposed on the additively manufactured component claim 1 , the flat base supporting the plurality of health monitoring coupons.3. The health monitoring system of claim 1 , wherein the plurality of health monitoring coupons comprises three health monitoring coupons.4. The health monitoring system of claim 1 , ...

INTEGRATED FLUIDJET SYSTEM FOR STRIPPING, PREPPING AND COATING A PART

An integrated liquidjet system capable of stripping, prepping and coating a part includes a cell defining an enclosure, a jig for holding the part inside the cell, an ultrasonic nozzle having an ultrasonic transducer for generating a pulsed liquidjet, a coating particle source for supplying coating particles to the nozzle, a pressurized liquid source for supplying the nozzle with a pressurized liquid to enable the nozzle to generate the pulsed liquidjet to sequentially strip, prep and coat the part, a high-voltage electrode and a ground electrode inside the nozzle for charging the coating particles, and a human-machine interface external to the cell for receiving user commands and for controlling the pulsed liquidjet exiting from the nozzle in response to the user commands. 1. An integrated liquidjet system capable of stripping , prepping and coating a part , the integrated liquidjet system comprising:a cell defining an enclosure;a jig for holding the part inside the cell;an ultrasonic nozzle having an ultrasonic transducer for generating a pulsed liquidjet;a coating particle source for supplying coating particles to the nozzle;a pressurized liquid source for supplying the nozzle with a pressurized liquid to enable the nozzle to generate the pulsed liquidjet to sequentially strip, prep and coat the part;a high-voltage electrode and a ground electrode inside the nozzle for charging the coating particles; anda human-machine interface external to the cell for receiving user commands and for controlling the pulsed liquidjet exiting from the nozzle in response to the user commands.2. The system as claimed in wherein the cell defines an electrically shielded enclosure.3. The system as claimed in wherein the cell includes a Faraday cage.4. The system as claimed in wherein the pulsed liquidjet is a forced pulsed waterjet5. The system as claimed in wherein the jig comprises a turntable for rotating the part at an angular velocity controlled by the human-machine interface.6. ...

METHODS OF FORMING AND METHODS OF REPAIRING EARTH-BORING TOOLS

A method of forming at least a portion of an earth-boring tool using an electronic representation of at least one geometric feature of at least a component of an earth-boring tool stored in memory accessible by a processor operatively connected to a multi-axis positioning system, a direct metal deposition apparatus, and a material removal apparatus. The processor generates a deposition path for the direct metal deposition apparatus is based at least in part on the electronic representation of the at least one geometric feature of the at least a component of the earth-boring tool. The direct metal deposition tool is operated according to the generated deposition path to deposit metal material on an earth-boring tool component coupled to the multi-axis positioning system to at least partially form the at least one geometric feature of the earth-boring tool. Methods also include methods of repairing earth-boring tools. 1. A method of altering at least one dimension of at least a portion of an earth-boring tool using an electronic representation of at least one geometric feature of at least a portion of a component of an earth-boring tool using a multi-axis positioning system , a direct metal deposition apparatus , and a material removal apparatus , the method comprising:generating, with a processor and based at least in part on the electronic representation, a deposition path for deposition of metal material by the direct metal deposition apparatus;depositing metal material according to the generated deposition path using the direct metal deposition apparatus on an earth-boring tool component related to the electronic representation and coupled to the multi-axis positioning system;generating, with the processor and based at least in part on the electronic representation, a removal path for the material removal apparatus; andremoving at least a portion of the deposited metal material according to the generated removal path using the material removal apparatus from the ...

INTERMETALLIC COMPOUNDS FOR RELEASING MERCURY

Materials, compounds, systems, and methods of dosing fluorescent lamps to reduce run-up time by improving mercury release rates. A pellet comprises a core and a coating on at least a portion of the surface of the core, the coating being formed from a powder of one or more intermetallic compounds comprising mercury. A method comprises providing a core and forming a coating on at least a portion of the surface of the core with a material comprising one or more intermetallic compounds comprising mercury and a metal selected from the group consisting of silver, copper, tin, zinc, bismuth, gold, platinum, palladium, nickel, manganese, and titanium. 1. A pellet comprising a core and a coating on at least a portion of the surface of said core , the coating being formed from a powder of one or more intermetallic compounds comprising mercury.2. The pellet of wherein said coating encapsulates said core.3. The pellet of wherein said powder comprises silver and mercury.4. The pellet of wherein the said powder comprises more than one form of mercury claim 3 , silver and mercury-silver compounds simultaneously.5. The pellet of wherein said powder comprises a silver and mercury compound in the form of AgHg.6. The pellet of wherein said powder further comprises liquid mercury or a saturated amalgam in the form of a liquid silver amalgam.7. The pellet of wherein said powder further comprises pure silver or a silver-mercury solid solution.8. The pellet of wherein said powder further comprises β-AgHg intermetallic compound.9. The pellet of wherein said powder further comprises α-AgHg solid solution.10. The pellet of wherein said powder further comprises any other form of mercury and any other form of silver within the silver mercury binary system.11. The pellet of wherein said powder further comprises one or more metals from the group consisting of copper claim 5 , tin claim 5 , zinc claim 5 , gold claim 5 , platinum claim 5 , palladium claim 5 , nickel claim 5 , manganese claim 5 , ...

Adaptive control of coating thickness

An example method that includes receiving a first geometry of a component in an uncoated state and a second geometry of the component in a coated state; determining a first difference between the second geometry and a first simulated geometry based on the first geometry and a first spray law comprising a plurality of first spray law parameters; iteratively adjusting at least one first spray law parameter to determine a respective subsequent spray law; iteratively determining a respective subsequent difference between the second geometry and a subsequent simulated geometry based on the first geometry and the subsequent respective spray law; selecting a subsequent spray law from the respective subsequent spray laws based on the respective subsequent differences; and controlling a coating process based on the selected subsequent spray law.

Physical vapor deposition apparatus and physical vapor deposition method

A physical vapor deposition apparatus and a physical vapor deposition method for forming a film of a substance which is hard to be made fine particles even when it is heated by plasma, arc discharge, or the like are provided. It has an evaporation chamber 10 provided inside it with an evaporation source material 15 and a heating part 16 for heating the evaporation source material 15 , a powder supply source 20 provided inside it with a powder, and a film forming chamber 30 , wherein the evaporation source material 15 is heated by the heating part 16 to produce fine particles (nanoparticles), the fine particles and powder are sprayed out of a supersonic nozzle 35 , are placed on a supersonic gas stream, and are deposited on a substrate for film formation 33 by physical vapor deposition.

Adaptive control of coating thickness

An example method that includes receiving a geometry of a component that includes a plurality of locations on a surface of the component; determining a first target trajectory including a first plurality of target trajectory points and a second target trajectory including a second plurality of target trajectory points, the first and second trajectories offset in a first direction, and the first and second plurality of trajectory points offset in a second direction; determining a respective target coating thickness of the coating based on a target coated component geometry and the geometry; and determining a respective motion vector of a coating device based on the first and second target trajectories to deposit the respective target coating thickness.

INTEGRATED FLUIDJET SYSTEM FOR STRIPPING, PREPPING AND COATING A PART

An integrated liquidjet system capable of stripping, prepping and coating a part includes a cell defining an enclosure, a jig for holding the part inside the cell, an ultrasonic nozzle having an ultrasonic transducer for generating a pulsed liquidjet, a coating particle source for supplying coating particles to the nozzle, a pressurized liquid source for supplying the nozzle with a pressurized liquid to enable the nozzle to generate the pulsed liquidjet to sequentially strip, prep and coat the part, a high-voltage electrode and a ground electrode inside the nozzle for charging the coating particles, and a human-machine interface external to the cell for receiving user commands and for controlling the pulsed liquidjet exiting from the nozzle in response to the user commands. 1. A method of stripping , prepping and coating a part , the method comprising:holding the part inside a cell that defines an electrically shielded enclosure;generating a pulsed liquidjet using an ultrasonic nozzle;supplying coating particles to the nozzle;supplying the nozzle with a pressurized liquid to enable the nozzle to generate the pulsed liquidjet to sequentially strip, prep and coat the part;charging the coating particles using a high-voltage electrode and a ground electrode inside the nozzle;stripping the part by controlling the pulsed liquidjet;prepping the part by controlling the pulsed liquidjet; andcoating the part by controlling the pulsed liquidjet.2. The method as claimed in further comprising optically inspecting the part to determine when stripping is complete and then automatically switching to prepping.3. The method as claimed in further comprising detecting when prepping is complete and then automatically switching to coating.4. The method as claimed in further comprising detecting when coating is complete.5. A method of stripping claim 3 , prepping and coating a part claim 3 , the method comprising:generating a pulsed liquidjet using an ultrasonic nozzle that ultrasonically ...

GAS DYNAMIC COLD SPRAY METHOD AND APPARATUS

A gas dynamic cold spray gun comprises a gun housing, a permeable body arranged inside the gun housing having a carrier gas inlet at a first end and a carrier gas outlet at a second end, an induction coil surrounding the permeable body and connected to a power supply, a nozzle affixed to the carrier gas outlet of the permeable body, and an orifice located downstream of the nozzle connected to a powder feeder. 1. A gas dynamic cold spray gun comprising:a gun housing;a permeable body arranged inside the gun housing having a carrier gas inlet at a first end, and a carrier gas outlet at a second end;an induction coil surrounding the permeable body and connected to a power supply;a nozzle affixed to the carrier gas outlet of the permeable body; andan orifice located downstream of the nozzle connected to a powder feeder.2. The gas dynamic cold spray gun of claim 1 , where the permeable body comprises an electrically conductive material.3. The gas dynamic cold spray gun of claim 1 , where the permeable body comprises Tungsten or Tungsten alloys.4. The gas dynamic cold spray gun of claim 1 , where the permeable body comprises Graphite.5. The gas dynamic cold spray gun of claim 1 , where the permeable body comprises Tantalum Carbide.6. The gas dynamic cold spray gun of claim 1 , where the permeable body comprises Hafnium Carbide.7. The gas dynamic cold spray gun of claim 1 , where the permeable body comprises Zirconium Carbide.8. The gas dynamic cold spray gun of claim 1 , where the permeable body comprises a plurality of inputs for carrier gas.9. The gas dynamic cold spray gun of claim 1 , where the permeable body comprises a plurality of outputs for carrier gas.10. The gas dynamic cold spray gun of claim 1 , where the permeable body comprises a plurality of individually connected bodies of any shape or geometry.11. The gas dynamic cold spray gun of claim 1 , further comprising one or more additional permeable bodies and one or more additional induction coils claim 1 , ...

Method of producing an optoelectronic semiconductor chip

A method of producing an optoelectronic semiconductor chip includes growing an optoelectronic semiconductor layer sequence on a growth substrate, forming an electrically insulating layer on a side of the optoelectronic semiconductor layer sequence facing away from the growth substrate by depositing particles of an electrically insulating material by an aerosol deposition method, and at least partly removing the growth substrate after forming the electrically insulating layer.

CONTACT ASSEMBLY FOR ELECTRICAL DEVICES AND METHOD FOR MAKING

A contact assembly for an electrical device and a method for making such an assembly are presented. The contact assembly comprises a substrate and a contact material disposed on the substrate. The contact material comprises a composite material comprising a refractory material and a matrix material. The matrix material has a higher ductility than the refractory material. The composite material further comprises a core region and an outer region bounding the core region, the core region having a higher concentration of the refractory material than the outer region. The method applies cold spraying a blended feedstock to produce a layer that includes the composite material described above.. 1. A method for fabricating a contact assembly for an electrical device , the method comprising:axially feeding a powder feedstock into a gas stream of a cold spray deposition apparatus, wherein the powder feedstock comprises (i) a first powder comprising a refractory material and (ii) a second powder comprising a matrix material, the matrix material having a higher ductility than the refractory material; anddirecting the gas stream and entrained powder feedstock through a nozzle onto a substrate to dispose the powder feedstock on the substrate in a continuous layer comprising a core region and an outer region bounding at least a portion of the core region, the core region having a higher concentration of the refractory material than the outer region.2. The method of claim 1 , wherein the gas stream is accelerated through the nozzle to a supersonic velocity.3. The method of claim 1 , wherein the refractory material is between 50-90 weight percent of the powder feedstock.4. The method of claim 1 , wherein the gas stream is heated to about 800 degrees Celsius.5. The method of claim 1 , wherein the refractory material comprises tungsten metal claim 1 , and wherein the matrix material comprises silver.6. The method of claim 1 , wherein the substrate comprises a contact arm or circuit ...

Spray nozzle, film forming device, and film forming method

A spray nozzle, a film forming device, and a film forming method, each facilitate formation of a film in a small region. A spray nozzle includes: a gas entrance section in which a passage of a carrier gas gradually becomes smaller along a flow of the carrier gas; a passage enlargement section in which a passage of the carrier gas gradually becomes larger along a flow of the carrier gas; an opening formation section which has one or more openings via which a passage of the carrier gas and an external space communicate with each other; and a gas exit section in which a passage of the carrier gas gradually becomes smaller along a flow of the carrier gas.

3D PRINTING METHOD OF FORMING A BULK SOLID STRUCTURE ELEMENT BY COLD SPRAY

A method of forming a three dimensional object using a low pressure cold spray process for is disclosed. Powdered material is delivered at a temperature below the melting point of the powdered material. A nozzle of a cold spray gun is aligned at an angle θto the substrate. The powdered material is delivered at a supersonic speed to the substrate causing the powdered material to adhere to the substrate for forming a first layer of material. An amount of optical distortion caused by the first layer of material adhered to the substrate is determined relative to the substrate and the nozzle is reoriented to an angle θbeing offset from an axis defined by the first layer of material. A second layer of material is deposited onto the first layer of material with the nozzle being oriented at the angle θto the first layer of material. 1. A method of forming a three dimensional object , comprising the steps of:providing a nozzle of a cold spray gun for delivering powdered material to a substrate with said powdered material having a temperature below the melting point of the powdered material;{'sub': '1', 'aligning the cold spray gun at an angle θto the substrate;'}delivering the powdered material at a supersonic speed to the substrate thereby causing the powdered material to adhere to the substrate for forming a first layer of material upon the substrate;imaging the first layer of material to determine the amount of optical distortion caused by the first layer of material adhered to the substrate;{'sub': '2', 'establishing an angle of the first layer of material relative to the substrate from the optical distortion and reorienting the cold spray gun to an angle θbeing offset from an axis defined by the first layer of material for optimizing delivery of the powdered material over the first layer of material; and'}{'sub': '2', 'delivering a second layer of material onto the first layer of material with the nozzle of the cold spray gun oriented at the angle θ.'}2. The method set ...

Method of manufacturing supercharger

An object is to provide a method of manufacturing a supercharger that can promptly and easily form an abradable layer in a supercharger. A method of manufacturing a supercharger is a method of manufacturing a supercharger including a turbine configured to rotationally drive, and a compressor having an impeller configured to rotate according to rotational force of the turbine and a housing ( 10 ) configured to store the impeller, and the method includes a process of applying coating of an abradable material which is to form an abradable layer ( 20 ) when being solidified, only to a predetermined range on a surface of the housing ( 10 ) via which the impeller and the housing ( 10 ) face.

PROCESS FOR PRODUCING A TITANIUM LOAD-BEARING STRUCTURE

A process for producing a titanium load-bearing structure, which comprises cold-gas dynamic spraying of titanium particles on to a suitably shaped support member, and a titanium load bearing structure so-produced. 1. A process for producing a titanium load-bearing structure , which comprises cold-gas dynamic spraying of titanium particles on to a suitably shaped support member.2. The process of claim 1 , wherein after cold-gas dynamic spraying has been completed the support member is removed to produce a free-standing titanium load-bearing structure.3. The process of claim 2 , wherein the support member is removed by mechanical means or by being dissolved or melted.4. The process of claim 2 , wherein the support member is removed by relying on differences in thermal expansion coefficients between the titanium and support member.5. The process of claim 1 , wherein the support member is not removed after cold-gas dynamic spraying has been completed so that the load-bearing structure is composite structure comprising titanium and the support member.6. The process of claim 1 , wherein after cold-gas dynamic spraying has been completed the support member is retained at specific locations and from other locations of the load-bearing structure.7. The process of claim 6 , wherein the support member is retained in regions of the load-bearing structure that in use will experience relatively high load and removed from regions of the load-bearing structure that in use will experience relatively low load.8. The process of claim 5 , wherein the support member is formed from a material that has been chosen based on properties that the support member will contribute to the load-bearing structure.9. The process of claim 1 , wherein the titanium that is applied by cold-gas dynamic spraying is of a composition that is varied as cold-gas dynamic spraying proceeds in order to meet location specific load-bearing requirements in the load-bearing structure.10. The process of claim 1 , ...

METHOD AND SYSTEM FOR FABRICATING AN ELECTRICAL CONDUCTOR ON A SUBSTRATE

A system for spraying a coating material to a substrate includes an optical sensor that monitors a thickness, a controller that generates a first signal corresponding to an amount of gas propellant to be heated, a second signal corresponding to a temperature to which the gas propellant is to be heated, a third signal corresponding to an amount of a solid powder composition to be mixed with the heated gas, and a fourth signal corresponding to a distance between the nozzle and the substrate, a first regulator that supplies an amount of gas propellant corresponding to the first signal, a heater that heats the gas propellant to the temperature corresponding to the second signal, a second regulator that supplies an amount of solid powder composition corresponding to the third signal, and an actuator that moves the nozzle corresponding to the fourth signal. 1. A system for spraying a coating material to a substrate , the system comprising:an optical sensor positioned to monitor thickness of a coating material applied to a substrate;a controller in communication with the optical sensor, the controller being configured to, based at least on the thickness, generate a first command signal corresponding to an amount of gas propellant to be heated, a second command signal corresponding to a temperature to which the gas propellant is to be heated, a third command signal corresponding to an amount of a solid powder composition to be mixed with the heated gas in a nozzle, and a fourth command signal corresponding to a distance between the nozzle and the substrate;a first regulator receiving the first command signal and supplying an amount of gas propellant corresponding to the first command signal;a heater receiving the amount of gas propellant supplied from the first regulator, receiving the second command signal, and heating the gas propellant to the temperature corresponding to the second command signal;a second regulator receiving the third command signal and supplying an ...

METHOD AND APPARATUS FOR HEAT TREATING FEEDSTOCK POWDER

Disclosed are methods and apparatuses for processing a powder alloy to improve its microstructure. The methods for processing the powder alloy can include introducing the powder alloy into a powder vessel having an inert atmosphere, uniformly heat treating the powder alloy inside the powder vessel at its solutionizing temperature, and cooling the heat treated powder alloy at a rate of at least 5° C./s to form treated particles. The treated particles obtained from the methods and apparatuses disclosed herein can be used in any suitable manufacturing process, such as in cold gas dynamic spray. 1. A method for processing a powder alloy , the method comprising:a. uniformly heating the powder alloy in an inert atmosphere at its solutionizing temperature, andb. cooling the heated powder alloy to form treated particles, wherein cooling is at a rate sufficient to reduce an intermetallic volume fraction of the treated particles by at least 50%, compared to the intermetallic volume fraction of the powder alloy.2. A method for processing a powder alloy , the method comprising:a. uniformly heating the powder alloy in an inert atmosphere at its solutionizing temperature, andb. cooling the heated powder alloy at a rate of at least 5° C./s, wherein intermetallic precipitation of the treated powder is lower than the intermetallic precipitation of the powder alloy.3. The method of claim 1 , wherein the powder alloy comprises greater than 50% by weight of aluminum claim 1 , titanium claim 1 , cobalt claim 1 , magnesium claim 1 , iron claim 1 , nickel claim 1 , copper claim 1 , or a combination thereof.4. The method of claim 1 , wherein the powder alloy is a 2000 series aluminum alloy claim 1 , a 6000 series aluminum alloy claim 1 , a 7000 series aluminum alloy claim 1 , an alpha-beta titanium alloy claim 1 , a nickel-based superalloy claim 1 , a heat treatable magnesium alloy claim 1 , a cobalt superalloy claim 1 , a maraging steel claim 1 , or a copper-beryllium alloy.5. The method ...

METHOD FOR MANUFACTURING A BRAKE DISC AND BRAKE DISC FOR DISC BRAKES

A method for manufacturing a brake disc may have the following operating steps: a) preparing a brake disc, with a braking band and provided with two mutually opposite braking surfaces; b) depositing on the disc a layer of chromium carbide (Cr3C2) and nickel-chromium (NiCr) in particulate form forming a base protective coating; and c) depositing over the base protective coating a material in particulate form with the tungsten carbide (WC) and cobalt (Co) forming a surface protective coating. Both protective coatings are created with HVOF (High Velocity Oxygen Fuel), HVAF (High Velocity Air Fuel) or KM (Kinetic Metallisation) technique. 118-. (canceled)19. A method for manufacturing a brake disc comprising the following operating steps:a) preparing a brake disc, comprising a braking band and provided with two mutually opposite braking surfaces, each of which defines at least partially one of the two main faces of the disc, the braking band being made of aluminium or aluminium alloy, or being made of grey cast iron or steel;b) depositing on the disc a layer of chromium carbide (Cr3C2) and nickel-chromium (NiCr) in particulate form with HVOF (High Velocity Oxygen Fuel) technique, HVAF (High Velocity Air Fuel) technique or KM (Kinetic Metallisation) technique forming a base protective coating that covers at least one of the two braking surfaces of the braking band in direct contact with them; andc) depositing over said base protective coating a material in particulate form consisting of tungsten carbide (WC) and cobalt (Co) with HVOF (High Velocity Oxygen Fuel) technique, HVAF (High Velocity Air Fuel) technique or KM (Kinetic Metallisation) technique forming a surface protective coating that covers at least one of the two braking surfaces of the braking band.20. The method according to claim 19 , wherein the material in particulate form deposited in deposition step b) to create the base protective coating is constituted by 65% to 95% of chromium carbide (Cr3C2) and the ...

LAMINATE AND METHOD OF FABRICATING LAMINATE

A laminate includes: a substrate; and a metallic coating that is formed from copper powder containing 0.002% to 0.020% by weight of phosphorus and having been subjected to reduction treatment, the metallic coating being deposited on the substrate. 1. A laminate comprising:a substrate; anda metallic coating that is formed from copper powder containing 0.002% to 0.020% by weight of phosphorus and having been subjected to reduction treatment, the metallic coating being deposited on the substrate.2. A method of fabricating a laminate , the method comprising:accelerating copper powder containing 0.002% to 0.020% by weight of phosphorus and having been subjected to reduction treatment together with gas heated to a temperature lower than a melting point of the copper powder;spraying the copper powder onto a surface of a substrate while keeping the copper powder in a solid state; anddepositing the copper powder on the substrate to form a metallic coating.3. The method of fabricating a laminate according to claim 2 , wherein the copper powder is accelerated with gas heated to a temperature of 600 degrees or higher.4. The method of fabricating a laminate according to claim 2 , wherein the copper powder has an average grain size of 20 μm to 50 μm.5. The method of fabricating a laminate according to claim 3 , wherein the copper powder has an average grain size of 20 μm to 50 μm. The present invention relates to a laminate formed by depositing a metallic coating onto a substrate and a method of fabricating the laminate.The cold spray method is now widely known as a method of forming a coating. The cold spray method forms a coating on a substrate by spraying powder of a metallic material in a state of being equal to or lower than the melting point or the softening point from a nozzle together with inert gas such as helium, argon, and nitrogen and having the powder impact with a substrate to be coated while keeping the powder in the solid state (see Non Patent Literatures 1 and 2 ...

METHODS FOR TREATING AIRCRAFT STRUCTURES

The present invention relates to methods for repairing a structural weakness in an aircraft fuselage, or preventing the advancement of a structural weakness in an aircraft fuselage. Cold spray methods such as supersonic particle deposition have been shown to positively affect structural characteristics of sheet metal and lap joints as used in fuselage construction. 1. A method for (i) repairing a structural weakness , and/or (ii) preventing or inhibiting the initiation of a structural weakness , and/or (iii) preventing or inhibiting the progression of a structural weakness in an aircraft structure and/or (iv) preventing the ingress of an environmental element , the method comprising the step of bonding a plurality of particles to the structure , the bonding being effected under conditions allowing the plurality of metallic particles to form a substantially continuous layer.2. A method according to wherein the method is for (i) repairing a structural weakness claim 1 , and/or (ii) preventing or inhibiting the initiation of a structural weakness claim 1 , and/or (iii) preventing or inhibiting the progression of a structural weakness in an aircraft structure and (iv) preventing the ingress of an environmental element.3. A method according to wherein at least a proportion claim 1 , or substantially all claim 1 , of the particles are metallic particles.4. A method according to wherein the bonding does not involve melting or fusing of the particles.5. A method according wherein the bonding is achieved by a cold spray process.6. A method according to wherein the cold spray process is supersonic particle deposition.7. A method according to wherein the substantially continuous layer is at least about 0.05 mm.8. A method according to wherein the substantially continuous layer has substantially even depth across the application surface.9. A method according to wherein the aircraft structure is a fuselage component.10. A method according to wherein the aircraft structure is a ...

ELECTRICAL CONTACT COMPOSITES AND METHOD FOR PRODUCING ELECTRICAL CONTACT COMPOSITES

An electrical contact composite is described. The electrical contact composite has a substrate and an electrically conductive coating applied to the substrate, which coating is connected to an electrode. A metal contact element is connected to the electrode, which contact element is used to connect the conductive coating to a current/voltage source. Furthermore, at least one sprayed layer produced by means of a thermal spraying method, in particular gas dynamic cold spray, and is provided with at least one metal and/or metal alloy, the sprayed layer being arranged between the conductive coating and the contact element. The sprayed layer has a coefficient of thermal expansion that is between the coefficients of thermal expansion of the carrier and of the contact element. The sprayed layer can also be used as the electrode for the conductive coating. 1. An electrical contact composite , comprising , in order:a flat substrate with an electrically conductive coating applied thereon;an electrode that is electrically connected to the conductive coating and mechanically connected to the conductive coating by way of a printing method;a sprayed layer that is produced by a thermal spraying method onto the electrode;a solder layer; and 'wherein the sprayed layer comprises at least one metal and/or at least one metal alloy.', 'a metal contact element that is electrically connected to the electrode and mechanically connected to the sprayed layer by way of the solder layer, the metal contact element serving for electrical connection of the conductive coating to an electrical component,'}2. The contact composite according to claim 1 , wherein a coefficient of thermal expansion of the sprayed layer is in a range of a middle third of a value range for coefficients of thermal expansion bounded by coefficients of thermal expansion of the flat substrate and the contact element.3. The contact composite according to claim 2 , wherein the coefficient of thermal expansion of the sprayed ...

THERMAL DIFFUSER FOR A SEMICONDUCTOR WAFER HOLDER

An electrostatic chuck is formed by depositing a diffuser layer onto an electrostatic puck and removing areas of the diffuser layer to form discrete diffuser segments separated by gaps. The discrete diffuser segments may define continuous concentric rings, discontinuous concentric rings, or a combination of continuous concentric rings and discontinuous concentric rings. The discrete diffuser segments are separated from each other by forming at least one trench in the diffuser layer. The trench may extend partially through the diffuser layer, completely through the diffuser layer to the electrostatic puck, or have a first portion that extends partially through the diffuser layer and a second portion that extends completely through the diffuser layer. Also, the trench can have a constant width or have a variable width. 1. An electrostatic chuck formed by a process comprising:depositing a diffuser layer onto an electrostatic puck;removing areas of the diffuser layer to form discrete diffuser segments separated by gaps;bonding the electrostatic puck to a heater, wherein the diffuser layer is disposed between the electrostatic puck and the heater; andbonding the heater to a cold plate.2. The electrostatic chuck according to claim 1 , wherein the discrete diffuser segments define continuous concentric rings.3. The electrostatic chuck according to claim 1 , wherein the discrete diffuser segments define discontinuous concentric rings.4. The electrostatic chuck according to claim 1 , wherein the discrete diffuser segments define a combination of continuous concentric rings and discontinuous concentric rings.5. The electrostatic chuck according to claim 1 , wherein the discrete diffuser segments are separated by forming at least one trench in the diffuser layer.6. The electrostatic chuck according to claim 5 , wherein the at least one trench extends partially through the diffuser layer.7. The electrostatic chuck according to claim 5 , wherein the at least one trench extends ...

Fuel Injector Bore Repair

A method for remanufacturing or repairing a cylinder head having a bore configured to receive a fuel injector comprises machining a portion of a surface forming the bore to remove imperfections, inserting a repair component into the bore proximate the machined portion of the bore, and spraying material into the bore proximate the machined portion and the repair component, thereby holding the component into place. 1. A cylinder head configured to receive a fuel injector comprising:a body defining a bore having a longitudinal axis and configured to receive a fuel injector;the body also defining a large diameter portion of the bore, a small diameter portion of the bore and an intermediate diameter portion of the bore disposed axially between the large diameter portion of the bore and the small diameter portion of the bore, the body further defining a machined chamfered portion extending axially from the large diameter portion of the bore to the intermediate diameter portion of the bore; andwherein the body further defines a machined step disposed axially between the large diameter portion of the bore and the machined chamfered portion of the bore.2. The cylinder head of claim 1 , wherein the machined step and machined chamfered portion includes surfaces having a surface roughness with a Ra value of 3.2 microns or greater.3. The cylinder head of claim 1 , further comprising a repair sleeve inserted into the intermediate diameter portion claim 1 , wherein the repair sleeve includes an annular cylindrical shape defining a cylindrical axis claim 1 , a first end disposed along the cylindrical axis having a chamfered portion and a second end disposed along the cylindrical axis.4. The cylinder head of claim 3 , wherein the repair sleeve is inserted into the intermediate diameter portion of the bore with a slight interference fit.5. The cylinder head of claim 3 , wherein the second end of the repair sleeve also has a chamfered portion.6. The cylinder head of claim 5 , further ...

CERAMIC LAMINATE

The present invention provides a ceramic laminate having excellent mechanical properties, heat dissipation property, insulating property, heat resistance and anti-reactivity, and particularly an insulative heat dissipating body having an excellent thermal cycle reliability and a high withstand voltage. 1. A ceramic laminate in which a ceramic film is formed on a metal layer , wherein the ceramic film has a minimum film thickness of 1 μm or more , contains silicon nitride and inevitable impurities , and has silicon nitride crystal grains having an average grain size of 300 nm or less in the film thickness direction and an average grain size of 500 nm or less in the in-plane direction.2. The ceramic laminate according to claim 1 , wherein the ceramic film has a porosity of less than 3%.3. The ceramic laminate according to claim 1 , wherein the ceramic film has a minimum film thickness at least 1.5 times larger than a maximum height roughness of the metal layer.4. The ceramic laminate according to claim 1 , wherein the ceramic film has silicon nitride crystal grains having an average grain size of 150 nm or less in the film thickness direction and an average grain size of 250 nm or less in the in-plane direction.5. The ceramic laminate according to claim 4 , wherein the ceramic film has silicon nitride crystal grains having an average grain size of 100 nm or less in the film thickness direction and an average grain size of 150 nm or less in the in-plane direction.6. The ceramic laminate according to claim 1 , wherein the ceramic film contains silicon nitride whose proportion of β-silicon nitride in the silicon nitride exceeds 50 wt % claim 1 , and inevitable impurities.7. The ceramic laminate according to claim 6 , wherein the ceramic film has a ratio of the X-ray diffraction intensity I (210) of (210) plane to the X-ray diffraction intensity I (101) of (101) plane of the β-silicon nitride crystal exceeding 0.9.8. The ceramic laminate according to claim 7 , wherein the ...

Sliding Arrangement and Method for Producing the Sliding Arrangement, in Particular for a Cylinder Liner

A sliding arrangement has a main body, in particular a crankcase, made from an aluminum material, and a coating which is applied to the main body by way of thermal spraying as a sliding surface, in particular as a cylinder liner. The sliding surface has a first phase consisting of a first material and a second phase consisting of a second material. The first material is different from the second material. The first material has at least 50 percent by mass of iron, and wherein the second material has at least 50 percent by mass of copper. 1. A sliding arrangement , comprising:a main body;a thermally sprayed coating on the main body, the coating forming a sliding surface, whereinthe sliding surface comprises a first phase made of a first material and a second phase made of a second material,the first material differs from the second material, andthe first material comprises at least 50 percent mass iron and the second material comprises at least 50 percent mass copper.2. The sliding arrangement according to claim 1 , wherein the main body is an aluminum crankcase and the coating forms a cylinder liner of the crankcase.3. The sliding arrangement according to claim 2 , wherein the first material comprises at least 70 percent mass iron.4. The sliding arrangement according to claim 3 , wherein the second material comprises at least 70 percent mass copper.5. The sliding arrangement according to claim 2 , wherein the second material comprises at least 70 percent mass copper.6. The sliding arrangement according to claim 4 , wherein the second material is bronze having the at least 70 percent mass copper and at least one additional alloy element.7. The sliding arrangement according to claim 6 , wherein the at least one additional alloy element is aluminum.8. The sliding arrangement according to claim 1 , wherein a ratio of the first material to the second material is between 60:40 and 95:5.9. The sliding arrangement according to claim 7 , wherein a ratio of the first material ...

Methods for manufacturing components having spatially graded properties

A method for manufacturing a component having a spatially graded property includes providing a first layer of particulate matter, the first layer having first material characteristics, and providing a second layer of particulate matter, the second layer having second material characteristics different from the first material characteristics. The method further includes providing an interlayer between the first layer and the second layer and heating the first layer, the second layer, and the interlayer to bond the first layer with the second layer.

Coating apparatus

An apparatus for coating a donor surface that is movable relative to the apparatus with a layer of metallic particles or particles having a metal-like appearance and reflectivity, the particles adhering more strongly to the surface than to one another. The apparatus comprises an application device to apply to the donor surface a fluid stream within which the particles are suspended, a housing surrounds the application device forming an interior plenum for confining the fluid stream, the housing prevents egress of particles from a sealing gap defined between the rim of the housing and the surface to be coated, and a suction source connected to the housing to extract from the plenum excess fluid and particles. In operation, the suction source extracts substantially all particles that are not in direct contact with the donor surface, leaving substantially a single particle layer adhering to the donor surface upon exiting the apparatus. 1. A coating apparatus for coating with a layer of metal or metal-looking particles a donor surface movable relative to the apparatus , the apparatus comprising:a) a supply system operative to supply particles suspended in a fluid that does not wet the donor surface, the particles adhering more strongly to the donor surface than to one another,b) an application device for applying the fluid to the donor surface in a manner to cause the particles suspended in the fluid to adhere to the surface, so as to form a substantially continuous particle coating on the donor surface, andc) a surplus extraction system operative to extract fluid and remove surplus particles that are not in direct contact with the donor surface so as to leave adhering to the donor surface a coating that is substantially only a single particle deep.2. A coating apparatus as claimed in claim 1 , wherein the application device comprises a spray head for spraying the fluid and suspended particles directly onto the donor surface.3. A coating apparatus as claimed in claim 1 ...

SPRAY REJUVENATION OF SPUTTERING TARGETS

In various embodiments, used sputtering targets are refurbished at least in part by maintaining a large obliquity angle between the spray-deposition gun and the depressed surface contour of the target during spray deposition of the target material. 115.-. (canceled)16. A method of refurbishing an eroded sputtering target that comprises a target material , the eroded sputtering target (I) having a non-planar eroded surface region and (ii) defining a global surface plane corresponding to a planar surface of the sputtering target prior to erosion thereof , the method comprising:measuring a depth profile of the eroded surface region of the eroded sputtering target; and positioning a spray-deposition gun over the eroded surface, thereby defining a spray-gun angle between the spray-deposition gun and the global surface plane, and', 'without changing the spray-gun angle, substantially filling the eroded surface region by spray-depositing particles of the target material by (i) translating the spray-deposition gun relative to the eroded sputtering target, whereby the obliquity angle between the spray-deposition gun and the eroded surface region immediately thereunder ranges between approximately 45° and approximately 90° thereduring, and (ii) controlling a deposition rate of the particles of the target material based on a depth of the eroded surface region beneath the spray-deposition gun., 'only if, over the entire eroded surface region, the depth profile defines obliquity angles no less than approximately 45° with respect to a direction normal to the global surface plane17. The method of claim 16 , wherein the depth profile defines obliquity angles no less than approximately 60° with respect to a direction normal to the global surface plane.18. The method of claim 16 , further comprising machining the eroded sputtering target prior to substantially filling the eroded surface region.19. The method of claim 16 , further comprising at least one of grit blasting or etching ...

Ceramic laminate, ceramic insulating substrate, and method for manufacturing ceramic laminate

In a cross-section perpendicular to the bonding interfaces, the average size of the second phase particles 3 is 0.02 μm to 0.3 μm and the average value of the ratio of the long axis and short axis of an equivalent ellipse when viewing a second phase particle 3 as an ellipse is 2 to 10. Further, 60% or more of the number of the second phase particles 3 has an orientation angle of 30° or less while the average orientation angle is 5° to 35°.

COMBINED SPRAY AND VACUUM NOZZLE

A combined spray and vacuum nozzle includes a nozzle housing containing a powder supply passage and a vacuum withdrawal passage, where the powder supply passage and the vacuum withdrawal passage are arranged in a side-by-side relationship. The nozzle housing has a proximal end portion and a distal end portion. The distal end portion features a spray port in communication with the powder supply passage and a vacuum port in communication with the vacuum withdrawal passage. The spray port is positioned adjacent to the vacuum port. The proximal end portion of the nozzle housing adapted to communicate with a source of aspirated powder and a vacuum source so that the powder supply passage communicates with the source of aspirated powder and the vacuum withdrawal passage communicates with the vacuum source. 1. A nozzle comprising:a. a nozzle housing containing a powder supply passage and a vacuum withdrawal passage, where the powder supply passage and the vacuum withdrawal passage are arranged in a side-by-side relationship;b. said nozzle housing having a proximal end portion and a distal end portion, said distal end portion featuring a spray port in communication with the powder supply passage and a vacuum port in communication with the vacuum withdrawal passage with the spray port positioned adjacent to the vacuum port; andc. said proximal end portion of said nozzle housing adapted to communicate with a source of aspirated powder and a vacuum source so that the powder supply passage communicates with the source of aspirated powder and the vacuum withdrawal passage communicates with the vacuum source.2. The nozzle of wherein the powder supply passage and the vacuum withdrawal passage each includes a longitudinal axis claim 1 , where the longitudinal axis of the powder supply passage is parallel to and spaced from the longitudinal axis of the vacuum withdrawal passage.3. The nozzle of further comprising a dividing wall dividing the powder supply passage from the vacuum ...

FEEDSTOCK AND METHODS OF MAKING FEEDSTOCK FOR COLD SPRAY TECHNIQUES

A feedstock for a cold spray process includes a plurality of globule bodies. The globule bodies include a plurality of discrete particles bonded to one another to define porous globule bodies. The bonds between the particles are of sufficient strength such that the globule bodies can retain both the body integrity as well as the body shape when the body experiences acceleration from a conveying gas in a cold spray technique. Methods of making the feedstock and globule bodies are also described. 1. (canceled)2. An article as recited in claim 11 , wherein the plurality of globule bodies have spherical shapes.3. An article as recited in claim 11 , wherein the plurality of globule bodies are greater than fifty (50) microns.4. An article as recited in claim 11 , wherein the plurality of globule bodies have non-spherical shapes.5. An article as recited in claim 11 , wherein the plurality of globule bodies are about twenty-five (25) millimeters in size.6. An article as recited in claim 11 , wherein each of the plurality of globule bodies include:a tip portion and a heel portion opposite the tip portion; anda surface enveloping the heel and tip portions, wherein the surface defines a concavity that extends into the tip portion of the respective globule body to reduce impact strength and expand substrate coverage upon impact of the globule body using a cold spray process.7. An article as recited in claim 6 , wherein the tip portion defines a hollow tip portion disposed on an end of the globule body opposite the heel portion.8. An article as recited in claim 6 , wherein the particle body defines a symmetry axis extending through the tip portion and the heel portion claim 6 , the globule body being symmetrical about the symmetry axis.9. An article as recited in claim 11 , wherein the globule body includes a metallic material that is substantially free of oxides of the metallic material.10. An article as recited in claim 11 , wherein the particles includes in the globule bodies ...

SYSTEMS, APPARATUSES AND METHODS FOR IMPROVED ROTATING DETONATION ENGINES

Rotating detonation engines are provided with various improvements pertaining to performance and reliability. Improvements pertain to, for example, a fluidic valve/premixing chamber, injection/swirl, flow control and turning, ignition, and cooling. 1. A rotating detonation engine , comprising:a detonation chamber configured to allow continuous detonation therein of a mixture of fuel and oxidizer; anda fluidic valve upstream of the detonation chamber, configured to convey at least one of the fuel and the oxidizer into the detonation chamber.2. The rotating detonation engine according to claim 1 , further comprising:a plurality of injection ports (a) disposed downstream of the fluidic valve and upstream of the detonation chamber, and (b) configured for receiving at least one of the fuel and the oxidizer from the fluidic valve and injecting at least one of the fuel and the oxidizer into the detonation chamber.3. The rotating detonation engine according to claim 1 , further comprising:a plurality of injectors (a) disposed upstream of the fluidic valve, and (b) configured for conveying at least one of the fuel and the oxidizer into the fluidic valve.4. The rotating detonation engine according to claim 1 ,wherein the fluidic valve functions also as a premixing chamber for mixing the fuel and the oxidizer prior to injection of the fuel and the oxidizer into the detonation chamber5. The rotating detonation engine according to claim 1 ,wherein the fluidic valve is configured as an annular channel formed in a structure upstream of the detonation chamber.6. The rotating detonation engine according to claim 1 ,wherein the fluidic valve comprises (a) an upstream portion and (b) a downstream portion disposed downstream of the upstream portion, andwherein the fluidic valve is configured such that a cross-sectional area of the downstream portion exceeds a cross-sectional area of the upstream portion.7. The rotating detonation engine according to claim 1 , further comprising:a ...

METHOD TO MANUFACTURE A COMPONENT FOR A MACHINE FOR THE PRODUCTION AND/OR PACKAGING OF PHARMACEUTICAL PRODUCTS

Method to manufacture a component suitable to be installed inside a protected chamber with a controlled atmosphere of a machine for the production and/or packaging of pharmaceutical products, configured to receive one or more pieces of equipment, or devices, or elements, each formed by one or more of the components, wherein the interior of the chamber, that is to say, the components that form the equipment, or the devices, or the elements, is/are intended to be subjected to suitable decontamination and sterilization treatments, for example CIP (Clean-In-Place) treatments and/or SIP (Sterilizing-In-Place) treatments; There are also described components that are manufactured with the manufacturing method as above, and a method to prepare a protected chamber, isolated from the external environment, of a machine for the production and/or packaging of pharmaceutical products. 1. A method to manufacture a component suitable to be installed inside a protected chamber of a machine for the production and/or packaging of pharmaceutical products , wherein said chamber is a controlled atmosphere chamber , separated from the external environment in a sealed manner , and configured to receive one or more pieces of equipment , or devices , or elements , each formed by one or more of said components , wherein the interior of said chamber and said components that form the equipment , or the devices , or the elements , is/are intended to be subjected to suitable decontamination and sterilization treatments , the method comprising:making available a component made of a first material chosen from a group comprising aluminum, magnesium, titanium, steel, or their alloys, composite materials with a polymer matrix, carbon fibers, or combinations thereof, wherein said component is intended to be installed inside said chamber, and is provided with at least one coupling portion configured to be coupled with a corresponding and mating coupling portion provided on another component or on an ...

PRINTING SYSTEM AND METHOD

There is disclosed a method of printing onto the surface of a substrate, which method comprises i) coating a donor surface () with a monolayer of particles, ii) treating the substrate surface () to render at least selected regions tacky, and iii) contacting the substrate surface with the donor surface to cause particles to transfer from the donor surface only to the tacky regions of the substrate surface. After printing on a substrate (), the donor surface () returns to the coating station () where the continuity of the monolayer is restored by recovering with fresh particles the regions of the donor surface exposed by the transfer of particles to the substrate. 125-. (canceled)26. A printing system comprising:a continuously circulating endless donor surface,a coating station for applying particles to the donor surface, the donor surface bearing a monolayer coating of individual particles on exiting the coating station,a treatment station at which a substrate surface is treated to produce selected regions of the substrate surface having an affinity to the particles on the donor surface that is greater than the affinity of the particles to the donor surface, andan impression station at which the substrate surface contacts the donor surface to cause particles to transfer from the donor surface to only the selected regions of the substrate surface, thereby exposing corresponding regions of the donor surface,wherein after passing through the impression station, the donor surface returns, during operation, to the coating station for the layer of particles to be rendered continuous by the application of fresh particles to the exposed regions of the donor surface.27. A printing system as claimed in claim 26 , wherein the coating station comprises:a) a supply of particles suspended in a fluid, the particles adhering more strongly to the donor surface than to one another,b) an application device for applying the fluid to the donor surface in a manner to cause the particles ...

STRUCTURAL ARRANGEMENT WITH A FIBER REINFORCED POLYMER COMPONENT AND A COLD GAS SPRAYED ELECTRICALLY CONDUCTIVE LAYER

A structural arrangement comprising a fiber reinforced polymer component, a cold gas spraying electrically conductive layer, and a polyether sulfone foil arranged on the fiber reinforced polymer component, at least in a region between the fiber reinforced polymer component and the cold gas sprayed electrically conductive layer. 1. A structural arrangement , comprising:a fiber reinforced polymer component;a cold gas sprayed electrically conductive layer; anda polyether sulfone foil that is arranged on the fiber reinforced polymer component, at least in a region between the fiber reinforced polymer component and the cold gas sprayed electrically conductive layer.2. The structural arrangement of claim 1 ,wherein the polyether sulfone foil is bonded onto the fiber reinforced polymer component.3. The structural arrangement of claim 1 ,wherein the polyether sulfone foil is merged with epoxy resin of the fiber reinforced polymer component.4. The structural arrangement of claim 1 ,wherein the polyether sulfone foil exhibits a thickness in a range of 50 μm to 100 μm.5. The structural arrangement of claim 1 ,wherein the cold gas sprayed electrically conductive layer comprises copper, aluminium, silver, tin and/or alloy particles.6. The structural arrangement of claim 1 ,wherein the polyether sulfone foil comprises at least one strip and/or patch made of polyether sulfone.7. A rotary wing aircraft with a structural arrangement according to .8. A structural arrangement claim 1 , comprising:a fiber reinforced polymer component;a polyether sulfone foil on the fiber reinforced polymer component;an electrically conductive layer on the polyether sulfone foil, the electrically conductive layer formed by cold gas spraying electrically conductive particles onto the polyether sulfone foil to create the electrically conductive layer;wherein the polyether sulfone foil is arranged at least in a region between the fiber reinforced polymer component and the cold gas sprayed electrically ...

Turbine component coating processes and turbine components

Turbine component coating processes include applying a malleable masking material to one or more apertures of one or more fluid flow passages within a turbine component surface and then applying a first coating over the malleable masking material and on the turbine component surface. The turbine component coating processes further include locally applying a local masking material to the one or more apertures of the one or more fluid flow passages and then applying a second coating over the local masking material and on the first coating.

Method For Producing A Metal Foam And Method For Producing Particles Suitable For Said Method

A method for producing a metal foam includes depositing metal-containing particles and blowing-agent-containing particles by cold spraying. A layer formed in this manner is formed from metallic particles and particles containing blowing agent, wherein the blowing agent forms the core of coated particles. The shell of said particles is likewise metallic, such that it is easier to deposit said particles together with the metallic particles. Therefore, a higher concentration of blowing agent can advantageously be produced in the layer. Greater possibilities are advantageously produced thereby to provide the porous layers with required pore profiles. 1. A method for producing a metal foam , comprising:depositing (a) exclusively metal-containing particles together with (b) coated particles having a core consisting of a solid blowing agent and a metallic shell as a layer on a substrate by cold spraying, andactivating the blowing agent, which forms pores of the metal foam in the layer.2. The method of claim 1 , wherein the metallic shell includes aluminum claim 1 , copper claim 1 , nickel claim 1 , iron claim 1 , steel or silver.3. The method of claim 1 , wherein the metallic shell is formed from the same material as the exclusively metal-containing particles.4. The method of claim 1 , wherein the core includes magnesium hydride claim 1 , titanium hydride claim 1 , calcium carbonate claim 1 , or magnesium carbonate.5. The method of claim 1 , comprising varying a mixing ratio between the coated particles containing the solid blowing agent and the exclusively metal-containing particles during the depositing step.6. The method of claim 5 , wherein the method is performed such that the layer is formed with variable density of the pores.7. The method of claim 6 , wherein the density of the pores in at least one of a boundary layer adjacent the substrate or a boundary layer near an outer surface of the layer is reduced to zero by processing only the exclusively metal-containing ...

METHOD FOR PREVENTING ADHESION OF ALUMINUM

A method for preventing adhesion of aluminum onto the surface of a metallic product, which can be performed by a simple treatment, at low cost and within a short time. Tin granules having an average particle diameter of 10 to 100 μm and each having an oxide film formed thereon are sprayed onto the surface of a metallic product under a spraying pressure of 0.5 MPa or more or at a spraying velocity of 200 m/sec or more to form a tin oxide coating film at a thickness of 1 μm or less on a portion of the surface of the metallic product, wherein the portion of the surface of the metallic product is a portion at which the metallic product is in contact with aluminum or an aluminum alloy. By forming the tin oxide coating film, it becomes possible to prevent the adhesion of aluminum onto a metallic product. 1. A method for preventing accumulation of aluminum , the method comprising:ejecting tin particles against a metal article at an ejection pressure of not less than 0.5 MPa or at an ejection velocity of not less than 200 m/sec, the tin particles being formed with an oxide film on their surfaces and having an average particle diameter of from 10 μm to 100 μm; andforming a coating film of tin oxide having a thickness of not greater than 1 μm on a surface of the metal article at portions of the metal article to be contacted with aluminum or an aluminum alloy.2. The method for preventing accumulation of aluminum according to claim 1 , wherein the metal article is a metal article that has already been subjected to nitriding treatment.3. The method for preventing accumulation of aluminum according to claim 1 , wherein the tin oxide coating film is formed after performing pre-treatment in which steel round shots of an average particle diameter of from 37 μm to 74 μm are ejected against the metal article at an ejection pressure of not less than 0.3 MPa or at an ejection velocity of not less than 100 m/sec.4. The method for preventing accumulation of aluminum according to claim 1 , ...

FEEDSTOCK AND METHODS OF MAKING FEEDSTOCK FOR COLD SPRAY TECHNIQUES

A feedstock for a cold spray process includes a plurality of globule bodies. The globule bodies include a plurality of discrete particles bonded to one another to define porous globule bodies. The bonds between the particles are of sufficient strength such that the globule bodies can retain both the body integrity as well as the body shape when the body experiences acceleration from a conveying gas in a cold spray technique. Methods of making the feedstock and globule bodies are also described. 1. Feedstock for a cold spray process , a plurality of globule bodies including a plurality of particles bonded to one another and defining therebetween at least one pore , wherein the bond is of sufficient strength for the globule to retain both integrity and shape while undergoing acceleration in a cold spray process.2. Feedstock as recited in claim 1 , wherein the plurality of globule bodies have spherical shapes.3. Feedstock as recited in claim 1 , wherein the plurality of globule bodies are greater than fifty (50) microns.4. Feedstock as recited in claim 1 , wherein the plurality of globule bodies have non-spherical shapes.5. Feedstock as recited in claim 1 , wherein the plurality of globule bodies are about twenty-five (25) millimeters in size.6. Feedstock as recited in claim 1 , wherein each of the plurality of globule bodies include:a tip portion and a heel portion opposite the tip portion; anda surface enveloping the heel and tip portions, wherein the surface defines a concavity that extends into the tip portion of the respective globule body to reduce impact strength and expand substrate coverage upon impact of the globule body using a cold spray process.7. Feedstock as recited in claim 6 , wherein the tip portion defines a hollow tip portion disposed on an end of the globule body opposite the heel portion.8. Feedstock as recited in claim 6 , wherein the particle body defines a symmetry axis extending through the tip portion and the heel portion claim 6 , the ...

CYLINDRICAL MEMBER USED IN ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND METHOD FOR PRODUCING CYLINDRICAL MEMBER USED IN ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR

A cylindrical member used in an electrophotographic photoconductor, the cylindrical member includes an impact-pressed cylindrical body containing aluminum and a long-chain fatty acid ester based lubricant that is present on the outer surface of the impact-pressed cylindrical body in an amount of approximately not more than 5.0×10mg/cm. 1. A cylindrical member used in an electrophotographic photoconductor , the cylindrical member comprising:an impact-pressed cylindrical body containing aluminum; and{'sup': −3', '2, 'a long-chain fatty acid ester based lubricant that is present on the outer surface of the impact-pressed cylindrical body in an amount of approximately not more than 5.0×10mg/cm.'}2. An electrophotographic photoconductor comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the cylindrical member used in an electrophotographic photoconductor according to ; and'}a photoconductive layer disposed so as to overlie the cylindrical member.3. A process cartridge comprising:{'claim-ref': {'@idref': 'CLM-00002', 'claim 2'}, 'the electrophotographic photoconductor according to , wherein'}the process cartridge is removably attached to an image forming apparatus.4. An image forming apparatus comprising:{'claim-ref': {'@idref': 'CLM-00002', 'claim 2'}, 'the electrophotographic photoconductor according to ;'}a charging unit that serves to charge the surface of the electrophotographic photoconductor;an electrostatic latent image forming unit that serves to form an electrostatic latent image on the surface of the charged electrophotographic photoconductor;a developing unit that serves to develop the electrostatic latent image on the surface of the electrophotographic photoconductor with a developer containing toner to form a toner image; anda transfer unit that serves to transfer the toner image to the surface of a recording medium.5. A method for producing a cylindrical member used in an electrophotographic photoconductor , the method comprising:preparing a slug ...

CHIP BROADCASTER TOOL

A chip broadcasting tool having a body that is connected to and receives pressurized air from an air source. The body further includes a first tube portion having an inlet connected to the air source and an outlet where the pressurized air exits the first tube portion. A second tube portion of the body has an inlet for receiving pressurized air and chip material. The second tube portion also has an outlet where the pressurized air and chip material exits the second tube and is broadcast away from the body. A flow chamber is positioned between a first tube portion and second tube portion such that the flow chamber is connected to the outlet of the first tube portion and the inlet of the second tube portion. Pressurized air from the outlet of the first tube portion exits the flow chamber. 1. A chip broadcasting tool comprising:an air source for generating pressurized air;a body connected to and receiving pressurized air from the air source;a first tube portion of the body having an inlet of the first tube portion connected to the air source and an outlet of the first tube portion where the pressurized air exits the first tube portion;a second tube portion of the body having an inlet of the second tube portion for receiving pressurized air and a chip material and an outlet of the second tube portion where the pressurized air and the chip material exits the second tube and is broadcast away from the bodya flow chamber of the body connected to the outlet of the first tube portion and the inlet of the second tube portion, where the pressurized air from the outlet of the first tube exits the flow chamber;a hopper having an outlet of the hopper connected to a chip inlet of the flow chamber, where the outlet of the hopper and the chip inlet connect creates a chip flow aperture, wherein the hopper contains the chip material that enters the chip inlet of the flow chamber, mixed with pressurized air from the air source and the pressurized air and chip material exits the flow ...

DEPOSITED MATERIAL STRUCTURE WITH INTEGRATED COMPONENT

A method for forming a metallic structure having a secondary component includes positioning the secondary component on a main formation surface of a main tool, the main formation surface corresponding to a desired shape of a first layer of material. The method also includes depositing a layer of material on the secondary component and the main formation surface using a cold-spray technique such that the layer of material bonds to the secondary component. The method also includes removing the layer of material and the secondary component to form the metallic structure. 1. A system for forming a metallic structure having a secondary component , comprising:a main tool having a main formation surface corresponding to a desired shape of the metallic structure;the secondary component configured to be positioned on the main formation surface; anda cold-spray gun configured to output a gas including particles of a material towards the main formation surface and the secondary component at a velocity sufficiently great to cause the particles of the material to bond together and to the secondary component on the main formation surface to form a layer of material resulting in the metallic structure with the secondary component attached thereto.2. The system of claim 1 , wherein the secondary component has a bonding surface configured to receive the layer of material claim 1 , the bonding surface being textured to enhance bonding with the layer of material.3. The system of claim 1 , further comprising a secondary tool configured to be positioned on the secondary component such that the cold-spray gun is configured to deposit at least a portion of the layer of material on the secondary tool.4. The system of claim 3 , further comprising a device for removing the secondary tool to form a space between at least a portion of the secondary component and the layer of material.5. The system of claim 4 , further comprising a hole-forming device configured to form a hole in the layer of ...

Coating methods and coated articles

One aspect of the present invention includes an article. The article includes a substrate and a coating disposed on the substrate, wherein the coating includes a plurality of cermet particles bonded along their prior particle boundaries. The plurality of cermet particles have a median particle size less than about 5 microns and less than 25 percent of the plurality of cermet particles include melted and re-solidified particles. Gate valves are also presented.

SEALING FIN ARMORING AND METHOD FOR THE PRODUCTION THEREOF

A method for coating a sealing fin () on a component of a turbomachine, in particular on a blade tip () of a blade () of a turbomachine, with armoring ( ), and to a corresponding component, in which method a blade () having at least one sealing fin () and a slurry which comprises particles of MCrAlY or particles for forming an MCrAlY layer (), where M is nickel and/or cobalt, are provided, the slurry is applied onto the sealing fin and dried, and the sealing fin with the applied slurry is subjected to an aluminizing process so that the MCrAlY layer comprises an Al-rich sublayer (). 1. A method for coating a sealing fin on a component of a turbomachine with armoring , in which method a blade having at least one sealing fin is provided and wherein the method comprises applying onto the sealing fin a slurry which comprises particles of MCrAlY or particles for forming an MCrAlY layer , where M represents nickel and/or cobalt , and aluminizing the sealing fin having the slurry applied thereon.2. The method of claim 1 , wherein a sealing fin on a blade tip of a blade of a turbomachine is coated.3. The method of claim 1 , wherein the slurry comprises hard material particles.4. The method of claim 1 , wherein the method further comprises depositing a hard material layer on the coating following the aluminizing.5. The method as claimed in claim 4 , wherein depositing the hard material layer is carried out by one or more of spraying claim 4 , thermal spraying claim 4 , flame spraying claim 4 , high-velocity flame spraying claim 4 , electric arc spraying claim 4 , cold gas spraying claim 4 , detonation spraying claim 4 , laser spraying claim 4 , and plasma spraying.6. The method of claim 4 , wherein the hard material layer is formed from aluminum oxide and/or titanium oxide.7. The method of claim 5 , wherein the hard material layer is formed from aluminum oxide and/or titanium oxide.8. The method of claim 3 , wherein the hard material particles comprise at least one substance ...

Metal accretion bus bars

Electrochromic devices such as electrochromic windows may employ accretively deposited bus bars. Forming bus bars by accretive deposition rather than by conductive inks can reduce fabrication time and costs. Accretive deposition processes may be implemented with high throughput to create highly conductive pure metal and/or alloy features that have good surface adhesion to a substrate such as glass or a transparent conducting layer. Accretive deposition may be used to mechanically and/or electrically bond a wire to a bus bar. In some processes, deposition is primarily ballistic, and particles ejected from a nozzle are deposited by mechanical or metallurgical bonding upon impact. In some cases, particles are heated via a gas or plasma before impacting a substrate.

GUN FOR CLEANING BY WAY OF AIR OR A SPRAYED AIR/LIQUID MIXTURE

The invention relates to a gun for cleaning by way of air or a sprayed air/liquid mixture, having: a body (), from which there extends a butt () provided with at least one inlet () for a pressurized liquid and an inlet () for pressurized air, a mechanism () for selecting the operating mode of the gun, interposed on the air circuit () and liquid circuit () thereof, a device () for breaking up the liquid into droplets by throwing the liquid flowing in the liquid circuit (), and a trigger () that controls the selection mechanism () and is able to take up a first position closing the outlet nozzle () and a second position in which only the air exits through the outlet nozzle () or a third position in which the air loaded with droplets exits through the outlet nozzle (). 1. Cleaning gun using air or a powdered air and liquid mixture is characterised by including:a body from which extends a handle equipped with an inlet for liquid under pressure and with one inlet for air under pressure, the body being equipped with an exhaust nozzle connected to the liquid and air inlets respectively by liquid and air ducts via respectively an exhaust conduit for air communicating with exhaust nozzle and a chamber inlet at the centre of which opens air exhaust conduita mechanism for selecting mode of gun operation, positioned on air and liquid ductsa device for splitting the liquid into droplets by projection of the liquid circulating in liquid duct communicating with chamber inlet droplets to exhaust nozzleand a trigger guiding selection mechanism and suited to occupy a first closed position for exhaust nozzle, a second position where air exits only by exhaust nozzle or a third position where air loaded with droplets exits by exhaust nozzle.2. Gun in line with claim 1 , characterised in that selection mechanism includes a drawer mounted sliding inside the body and equipped with a shutter for air duct claim 1 , drawer being moved by trigger in an open direction between its first claim 1 ...

A METHOD FOR TREATING A COMPONENT TO PREVENT EROSION OF SUCH COMPONENT

A high velocity spray method for treating the surface of a component, the method comprises the steps of heating a first portion of an inert gas up to a spray temperature comprised between 550° C. and 800° C.; preparing a powder material having a composition including Co at a mass percentage comprised between 15% and 70%; preparing a mixture between the powder material and a second portion of inert gas; mixing the first portion of inert gas and the mixture of gas and powder in a spray gun in order to create a spray jet; directing said spray jet towards the surface to be treated in order to deposit a coating of the material including Co. 1. A high velocity spray method for treating the surface of a component , the method comprising the steps of:heating a first portion of an inert gas up to a spray temperature comprised between 550° C. and 800° C.;preparing a powder material having a composition including Co at a mass percentage comprised between 15% and 70%;preparing a mixture between said powder material and a second portion of inert gas;mixing said first portion of inert gas and said mixture in a spray gun in order to create a spray jet; and,directing said spray jet towards said surface in order to deposit a coating of said material.2. The method according to claim 1 , wherein said step of heating is preceded by a pre-heating step in which said first portion of carrier gas is pre-heated up to a pre-heating temperature lower than said spray temperature and comprised between 400° C. and 500° C.3. The method according to claim 1 , wherein said inert gas is nitrogen and/or helium.4. The method according to claim 1 , wherein the pressure of said carrier gas upstream said spray jet is comprised between 20 bar and 50 bar.5. An apparatus for spraying the surface of a component claim 1 , said apparatus including:a first heater for pre-heating a first portion of inert gas up to a pre-heating temperature comprised between 400° C. and 500° C.;a spray gun including a final ...