СПОСОБ ТЕПЛОВОЙ ОБРАБОТКИ КОМПОНЕНТА, КОТОРЫЙ СОСТОИТ ИЗ МЕТАЛЛИЧЕСКОГО МАТЕРИАЛА И КОТОРЫЙ СОДЕРЖИТ ПО МЕНЬШЕЙ МЕРЕ ОДНУ СЕКЦИЮ ПОВЕРХНОСТИ, НА КОТОРУЮ НАНЕСЕНО ГЛАЗУРНОЕ ИЛИ ЭМАЛЕВОЕ ПОКРЫТИЕ

Изобретение относится к тепловой обработке компонента (1), состоящего из металлического сплава, в котором или на котором, по меньшей мере, на одну секцию (7) поверхности нанесено глазурное или эмалевое покрытие (9). Способ включает нагрев компонента (1) с глазурным или эмалевым покрытием (9) до температуры, которая по меньшей мере равна минимальной температуре закалки и которая выше температуры сушки в печи, установленной для сушки в печи глазурного или эмалевого покрытия, так, что глазурное или эмалевое покрытие размягчается при достижении температуры нагрева, и закалку компонента (1) от температуры, которая по меньшей мере равна минимальной температуре закалки для получения в компоненте (1) высокопрочной микроструктуры. Причем глазурное или эмалевое покрытие (9) предварительно охлаждают до температуры предварительного охлаждения по меньшей мере на ее поверхности (9') перед закалкой, причем указанная температура предварительного охлаждения максимально соответствует температуре, при которой ...

ЛЕНТА ИЗ АЛЮМИНИЕВОГО СПЛАВА С УЛУЧШЕННОЙ ПОВЕРХНОСТНОЙ ОПТИКОЙ И СПОСОБ ЕЕ ИЗГОТОВЛЕНИЯ

Изобретение относится к изготовлению ленты из алюминиевого сплава. Лента из алюминиевого сплава изготовлена путем горячей и/или холодной прокатки и состоит из алюминиевого сплава типа АА 5182, АА 6ххх или АА 8ххх, причем готовая, прошедшая прокатку лента из алюминиевого сплава после обезжиривания демонстрирует увеличение величины L* яркости (ΔL) по сравнению с необезжиренным состоянием более чем 5 при цветовом измерении поверхности в цветовом пространстве CIE L*a*b* при использовании стандартного источника света D65 и при угле наблюдения 10° с исключением прямых отражений в геометрии 45°/0°, которое достигается путем обезжиривания с использованием щелочного травильного раствора и последующей кислой промывки ленты из алюминиевого сплава. Предложенные ленты из алюминиевого сплава отличаются отчетливо улучшенной поверхностной оптикой с отчетливым визуальным восприятием более светлой поверхности по сравнению с обычными лентами из алюминиевого сплава, состоящими из того же алюминиевого сплава ...

АЛЮМИНИЕВЫЙ СПЛАВ

Изобретение относится к алюминиевому сплаву системы Al-Si-Cu и листовому продукту с этим сплавом, предназначенным в основном для использования в транспортных средствах. Алюминиевый сплав, предназначенный для соединения со сталью, имеет следующий состав, мас.%: Si 0,25-1,5, Cu 0,3-1,5, Fe до 0,5, Mn до 0,1, неизбежные примеси, включая Mg, в количестве, меньшем или равном 0,05 по отдельности и меньшем или равном 0,15 в совокупности, остальное - алюминий. Сборная конструкция содержит компонент из стального сплава и компонент из алюминиевого сплава заявленного состава, соединенный с стальным компонентом. Многослойный алюминиевый лист содержит средний слой и по меньшей мере один плакирующий слой, при этом по меньшей мере один плакирующий слой выполнен из заявленного алюминиевого сплава. Изобретение направлено на создание прочного и пластичного соединения алюминиевого сплава со сталью без использования присадочного материала. 6 н. и 15 з.п. ф-лы, 2 пр., 3 табл., 14 ил.

БОКОВОЙ МАТЕРИАЛ И СПОСОБ ЕГО ПРОИЗВОДСТВА И СПОСОБ ПРОИЗВОДСТВА ПЛАКИРОВАННОГО ЭЛЕМЕНТА ДЛЯ ТЕПЛООБМЕННИКА

Изобретение может быть использовано при производстве теплообменников автомобильного транспортного средства. Плакированный элемент для теплообменника содержит материал сердцевины и один или более слоев бокового материала, ламинированного на одной из его сторон или обеих его сторонах. На поверхности бокового материала (А) сформировано множество периодических и дугообразных в продольном направлении бокового материала мелких канавок (В). Канавки простираются к внешнему периферийному краю бокового материала и имеют радиус кривизны 800-1500 мм и период (D) 1-8 мм в вышеупомянутом направлении. Шероховатость поверхности бокового материала (А) и составляет 1-15 мкм по средней по 10-ти точкам шероховатости (Rz). Боковой материал производят путем разрезания слитка на материал заданной толщины и выравнивания в горизонтальном положении с продольным направлением резаного материала. Центр вращающегося дискового устройства соответствует центру слитка по ширине. За счет контролирования состояния поверхности ...

ИЗДЕЛИЯ ИЗ АЛЮМИНИЕВОГО СПЛАВА

Изделие из алюминиевого сплава включает пару внешних областей и внутреннюю область, расположенную между этими внешними областями. Первая концентрация эвтектикообразующих легирующих элементов во внутренней области меньше, чем вторая концентрация эвтектикообразующих легирующих элементов в каждой из внешних областей, при этом изделие из алюминиевого сплава имеет значение степени плоскостной анизотропии дельта r от 0 до 0,10. Значение дельта r вычисляется как абсолютное значение [(r_L+r_LT-2*r_45)/2], где r_L – значение r в продольном направлении изделия из алюминиевого сплава, r_LT – значение r в поперечном направлении изделия из алюминиевого сплава и r_45 – значение r в направлении 45 градусов изделия из алюминиевого сплава. Техническим результатом является создание изделия, имеющего низкую степень плоскостной анизотропии. 2 н. и 16 з.п. ф-лы, 5 табл., 10 пр.

Способ модифицирования алюминиево-кремниевых сплавов

Изобретение относится к области металлургии, а именно к модифицированию алюминиево-кремниевых сплавов доэвтектического, эвтектического и заэвтектического составов, и может быть использовано в технологии приготовления алюминиево-кремниевых сплавов для получения фасонных отливок. Способ модифицирования алюминиево-кремниевых сплавов включает введение в расплав флюса, содержащего, мас. %: диоксид титана 19-29, фтористый барий 32-40, фтористый калий 34-42, при этом флюс равномерным слоем насыпают на поверхность алюминиево-кремниевого расплава при температуре 780-820°С в количестве 1,5-2,5% от массы плавки, выдерживают 8-10 минут, а затем замешивают в расплав на глубину 10-20 см с образованием на поверхности рассыпчатого шлака, после этого образовавшийся шлак удаляют с поверхности расплава, а сплав выдерживают еще в течение 8-10 минут перед разливкой. Изобретение направлено на повышение механических свойств алюминиево-кремниевых сплава за счет измельчения всех структурных составляющих сплава ...

СПОСОБ МОДИФИЦИРОВАНИЯ АЛЮМИНИЕВО-КРЕМНИЕВЫХ СПЛАВОВ

Изобретение относится к области цветной металлургии и может быть использовано при производстве алюминиево-кремниевых сплавов. Способ модифицирования алюминиево-кремниевых сплавов включает введение модификатора в расплав, перемешивание и выдержку, при этом в качестве модификатора используют прессовку, полученную из порошков с размером частиц 1-5 мкм, содержащую, мас. %: 40-60 композиционного порошка, состоящего из 28-30 Si и 70-72 Аl2O3, получаемого методом механически активированного самораспространяющегося высокотемпературного синтеза, 35-45 порошка силумина, 5-15 порошка меди или вольфрама. Изобретение позволяет повысить прочность алюминиево-кремниевого сплава в 1,2 раза, пластичность - в 2,5 раза и уменьшить пористость в 2-4 раза. 5 пр., 1 табл.

СПЛАВ С ВЫСОКОЙ ПРОЧНОСТЬЮ И КОРРОЗИОННОЙ СТОЙКОСТЬЮ ДЛЯ ПРИМЕНЕНИЯ В СИСТЕМАХ ОВКВиО

Изобретение относится к алюминиевым сплавам, которые могут быть использованы для производства компонентов систем отопления, вентиляции, кондиционирования воздуха и охлаждения (ОВКВиО) во внутренних и наружных блоках. Сплав алюминия содержит, мас.%: Cu 0,01-0,4, Fe 0,05-0,40, Mg 0,05-0,8, Mn 0,001-2,0, S 0,05-0,25, Ti 0,001-0,20, Zn 0,001-0,20, Cr 0-0,05, Pb 0-0,005, Ca 0-0,03, Cd 0-0,004, Li 0-0,0001, Na 0-0,0005, неизбежные примеси до 0,03 каждой и до 0,10 в сумме, остальное - алюминий. Способ изготовления сплава алюминия включает получение отливки из сплава алюминия, гомогенизацию отливки, горячую прокатку, холодную прокатку листа промежуточной толщины для получения листа конечной толщины и отжиг листа конечной толщины. Изобретение направлено на повышение долговечности компонентов ОВКВиО за счет получения сплавов с высокой прочностью и хорошей коррозионной стойкостью. 5 н. и 16 з.п. ф-лы, 4 пр., 4 табл., 11 ил.

СТАЛЬНОЙ ЛИСТ С АЛЮМИНИЕВЫМ ПОКРЫТИЕМ И СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ

... 1. Стальной лист с алюминиевым покрытием, нанесенным способом горячего окунания, который содержит стальной лист основы и слой покрытия, причем слой покрытия содержит полосатый промежуточный слой, содержащий интерметаллическое соединение хром-алюминий в его разрезе. ! 2. Стальной лист по п.1, в котором слой покрытия содержит от 8 до 15 вес.% Si, от 0,26 до 1,50 вес.% Cr, от 0,50 до 1,50 вес.% Mg и остаток Al. ! 3. Стальной лист по п.2, в котором слой покрытия содержит от 8 до 15 вес.% Si, 0,55 до 1,50 вес.% Cr, от 0,50 до 1,50 вес.% Mg и остаток Al. ! 4. Стальной лист по п.1, в котором интерметаллическое соединение хром-алюминий содержит Cr2Al13 и Cr14Al84. ! 5. Способ изготовления стального листа с алюминиевым покрытием, который предусматривает погружение стального листа основы в электролитическую ванну, содержащую композицию электролитической ванны, которая содержит от 8 до 15 вес.% Si, от 0,26 до 1,50 вес.% Cr, от 0,50 до 1,50 вес.% Mg и остаток Al, и пропускание стального листа основы ...

СПОСОБ ПРОИЗВОДСТВА AlMgSi ПОЛОСЫ

... 1. Способ получения полосы из сплава AlMgSi, в котором из сплава отливают слиток для прокатки, этот слиток подвергают гомогенизации, нагретый до температуры горячей прокатки слиток подвергают горячей прокатке, затем при необходимости подвергают холодной прокатке до конечной толщины, готовую прокатанную полосу подвергают диффузионному отжигу и охлаждают, отличающийся тем, что горячекатаная полоса имеет непосредственно после выхода из валков после последнего прохода горячей прокатки имеет температуру от свыше 130 до 250°С, предпочтительно до 230°С, и горячекатаную полосу сматывают при этой температуре.2. Способ по п. 1, отличающийся тем, что горячекатаную полосу охлаждают до температуры выхода из валков посредством, по меньшей мере, одного плоского охладителя и самих проходов горячей прокатки, на которые подают эмульсию.3. Способ по п. 1 или 2, отличающийся тем, что температура горячекатаной полосы перед началом охлаждения при горячей прокатке составляет более 400°С.4. Способ по п. 1 или ...

ЛИСТ ДЛЯ ВЫСОКОТЕМПЕРАТУРНОЙ ПАЙКИ

БОКОВОЙ МАТЕРИАЛ И СПОСОБ ЕГО ПРОИЗВОДСТВА И СПОСОБ ПРОИЗВОДСТВА ПЛАКИРОВАННОГО ЭЛЕМЕНТА ДЛЯ ТЕПЛООБМЕННИКА

... 1. Боковой материал, используемый в плакированном элементе для теплообменника, содержащем материал сердцевины и один или более слоев бокового материала, ламинированного на одной его стороне или обеих его сторонах, отличающийся тем, что ! в поверхности по меньшей мере одной стороны бокового материала сформировано множество периодических конфигураций мелких канавок, которые становятся дугообразными по одному направлению бокового материала, причем эти периодические конфигурации мелких канавок простираются до внешнего периферийного края бокового материала с радиусом кривизны 800-1500 мм и имеют период 1-8 мм в упомянутом направлении бокового материала, и ! шероховатость поверхности бокового материала в упомянутом направлении составляет 1-15 мкм по средней по десяти точкам шероховатости (Rz). ! 2. Боковой материал по п.1, отличающийся тем, что плоскостность бокового материала на метр в упомянутом направлении составляет 1 мм или менее. ! 3. Боковой материал по п.1, отличающийся тем, что толщина ...

ДЕКОРАТИВНО-АНОДИРУЕМЫЙ, ХОРОШО ДЕФОРМИРУЕМЫЙ, ВЫДЕРЖИВАЮЩИЙ ВЫСОКИЕ МЕХАНИЧЕСКИЕ НАГРУЗКИ АЛЮМИНИЕВЫЙ СПЛАВ, СПОСОБ ЕГО ИЗГОТОВЛЕНИЯ И АЛЮМИНИЕВОЕ ИЗДЕЛИЕ ИЗ ЭТОГО СПЛАВА

... 1. Декоративно-анодируемый, хорошо деформируемый, выдерживающий большие механические нагрузки алюминиевый сплав с составом:от 0,3 до 0,9 мас.% кремния;от 0,1 до 0,5 мас.% магния;до 0,2 мас.% железа;от 0,1 до 0,4 мас.% меди;от 0,03 до 0,2 мас.% марганца;0,01 мас.% титана;цирконий, и/или хром, и/или ванадий в сумме от 0,08 до 0,22 мас.%;от 0,005 до 0,1 мас.% стронция;максимально 0,04 мас.% цинка;нет или максимально 0,005 мас.% серебра;максимально 0,02 мас.% неизбежных примесей по отдельности;максимально 0,15 мас.% неизбежных примесей в целом;остальное алюминий;при этом массовое отношение кремния к марганцу составляет от 1,8:1 до 3,3:1,отличающийся тем, чтомассовое отношение железа к стронцию составляет от 3:1 до 5:1.2. Алюминиевый сплав по п.1, отличающийся тем, что в нем содержится от 0,008 до 0,07 мас.% стронция.3. Алюминиевый сплав по п.1 или 2, отличающийся тем, что для маркировки сплава в нем содержится от 0,0005 до 0,005 мас.% серебра.4. Способ изготовления декоративно-анодированного ...

Литейный сплав на основе алюминия

Сплав на основе алюминия

Untereutektische Aluminium-Silizium-Kupfer-Legierung mit Zusätzen von Wismut

Stranggepresstes Rohrprodukt aus Aluminiumlegierung der 1XXX-Serie

Die Erfindung bezieht sich auf ein stranggepresstes Rohrprodukt aus Aluminiumlegierung für eine Wärmetauscheranordnung, bestehend aus einer Aluminiumlegierung der 1xxx-Serie, die weiter eine zweckbestimmte Hinzufügung eines oder mehrerer Benetzungselemente enthält, ausgewählt aus der Gruppe, bestehend aus: Bi 0,03% bis 0,5%, Pb 0,03% bis 0,5%, Sb 0,03% bis 0,5%, Li 0,03% bis 0,5%, Se 0,03% bis 0,5%, Y 0,03% bis 0,05%, Th 0,03% bis 0,05%, und wobei die Summe dieser Elemente 0,5% oder weniger beträgt.

Verfahren zur Herstellung warmfester, dispersionsgehaerteter Aluminiumlegierungen

PROCESS FOR GRAIN-REFINING PRIMARY SILICON OF HYPEREUTECTIC ALUMINIUM-SILICON ALLOYS

ALUMINIUM-LEGIERUNG UND VERFAHREN ZUR HERSTELLUNG

Eine Aluminiumlegierung zum Gießen von Aluminiumlegierungsformteilen kann Legierungselemente aus Silizium und Chrom umfassen und kann formuliert werden, um ein dispersions- und ausfällungsgehärtetes Mikrogefüge durch Wärmebehandlung zu entwickeln. Die Aluminiumlegierung kann formuliert werden, um eine Mikrostruktur zu entwickeln, die eine Aluminiummatrixphase und eine feinkörnige AlCrSi-Dispersoidphase beinhaltet, wenn sie einer Lösungswärmebehandlung unterzogen wird. Die Aluminiumlegierung kann auch formuliert werden, um eine Mikrostruktur zu entwickeln, die eine oder mehrere Cu-haltige Ausfällungsphasen beinhaltet, wenn sie einer Alterungswärmebehandlung unterzogen wird.

Piston used in an I.C. engine is made from an aluminum cast alloy containing additions of titanium, silicon, copper, iron, nickel and phosphorus

Piston is made from an aluminum cast alloy containing (in weight %) 0.05-0.3 Ti, 10-21 Si, 2-3.5 Cu, 0.1-0.7 Fe, 1-3 Ni, 0-001-0.02 P and a balance of Al and impurities. Independent claims are also included for processes for the production of the piston.

ALUMINIUM ALLOYS

... 1383895 Aluminium alloy CEGEDUR SOC DE TRANSFORMATION DE L'ALUMINIUM PECHINEY 27 April 1973 [13 Feb 1973] 20280/73 Heading C7A Aluminium alloy of composition:- The alloy may be homogenized for 10-15 hours at 500-550‹C and hot and cold rolled or cooled to ambient temperature reheated and hot and cold rolled or reheated without homogenization hot and cold rolled, annealed for 1 to 2 minutes at 500- 550‹C water or air quenched, stamped, drawn, panel beaten or welded and painted by stoving. The alloy may be used in the manufacture of car body panels.

Aluminium alloy.

An improved aluminium - silicon alloy for use in the manufacture of pistons is disclosed. The improved alloy is of the following composition in which the component elements are 10.5 to 13.5 silicon 2.0 to less than 4.0 copper 0.8 to 1.5 magnesium 0.5 to 2.0 nickel 0.3 to 0.9 cobalt at least 20 ppm phosphorous and either (i) 0.05 to 0.2 titanium; or (ii)at least one of the following up to 0.2 zirconium up to 0.2 vanadium; in either case with the balance Aluminium and unavoidable impurities.

Aluminium alloy

IMPROVEMENTS IN AND RELATING TO FORMING ALUMINIUM-SILICON ALLOYS

An aluminum-silicon alloy having excellent mechanical characteristics is formed by pressure forging of a molten material concurrently with modifying thereof by a flux which includes at least one element selected from the group of Na, Sb, Sr, and/or Ca, allowing a substantially fine grain of silicon to be dispersed in the alloy. Alternatively, the step of the pressure forging is replacable by substantially uniform cooling of the molten material regardless of a thickness thereof by cooling a die having a mold formed of a Cu-W type material, which mold corresponds to a substantially thick portion of the alloy. ...

Die cast structural components

BEARING

Aluminium alloy for casting

COLD-HARDENING ALUMINUM CAST ALLOY AND PROCEDURE FOR THE PRODUCTION OF AN ALUMINUM CAST PART

DECORATIVELY ANODISE-CASH, PROPERTY DUCTILE ONE, MECHANICAL HIGH LOADABLE ALUMINUM ALLOY, PROCEDURE FOR THEIR PRODUCTION AND ALUMINUM PRODUCT OF THIS ALLOY

ADJUSTABLE FITTING FOR FASTENING A WINDOW SHUTTER OR DOOR SHUTTER TO A SHUTTER HINGE

ALUMINIUM-SILIZIUM-LEGIERUNGEN MIT VERBESSERTEN MECHANISCHEN EIGENSCHAFTEN

POUR SI-CU-NI-MG-MN MODIFIED BY A1-BASE ZR-HYPEREUTEKTI ALLOYS

ARTICLES FROM ALUMINIUM SILICON ALLOY AND PROCEDURES FOR THE PRODUCTION.

DIECASTING ALLOY

THIXOTROPE ALUMINUM SILICON COPPER ALLOY FOR SHAPING IN SEMISOLID CONDITION

PROCEDURE AND DEVICE FOR THE TREATMENT OF A MELT

PROCEDURE FOR THE PRODUCTION OF A CONSTRUCTION UNIT FROM AN ALUMINUM ALLOY BY PRESSURE POURING

Aluminum alloy formed by precipitation hardening and method for heat treatment thereof

HIGH STRENGTH ALUMINUM ALLOY FOR HIGH TEMPERATURE APPLICATIONS

Process for obtaining a low silicon aluminium alloy part

The low silicon aluminium alloy part comprises silicon, magnesium, copper, manganese, titanium and strontium. Said part is obtained by a process according to which: - said alloy is cast in a mould in order to obtain the part, - after casting, the part constituting a still hot preform is removed from the mould, - said preform is cooled and is then subjected to an operation capable of reheating it to a temperature between 470°C and 550°C, - said part is positioned between two shells of a die that complete a cavity having dimensions that are substantially equal, but smaller than that of the mould, - the two shells are pressed strongly against one another in order to exert on the part positioned between said shells a combined pressing and surface kneading effect.

A high-throughput method for preparing high volume fraction aluminum matrix composite by pressureless infiltration

Abstract The invention discloses a high-throughput method for preparing high volume fraction aluminum matrix composite by pressureless infiltration. The aluminum matrix composites can be efficiently prepared by adding ceramic powder and aluminum alloy into the grooves of the multi-unit mould and then heating the mould. The appropriate mould can be designed according to the actual needs in order to achieve the high-throughput preparation of a variety of high volume fraction aluminum matrix composites by pressureless infiltration. For the high throughput preparation of aluminum matrix composite, it can prepare a large number of multi system aluminum matrix composites in a single batch and in the same furnace, which can achieve the rapid selection of composite system and significantly reduce the research and development (R&D) cost and cycle time. It can effectively promote the rapid development of the R&D model of aluminum matrix composite and its engineering application in aerospace, mechatronics ...

Method and apparatus for the treatment of a melt

ALUMINUM ALLOY FOR CASTING

PROCESS OF MANUFACTURING

METHOD AND APPARATUS FOR THE TREATMENT OF A MELT

A method and apparatus for adding a metal, for example sodium, to a melt of a material, for example aluminium, in a vessel, in which a molten compound of the metal or a solution of a compound of the metal is provided in a container (12), the container being positioned outside the vessel, the compound is electrolytically decomposed and ions of the metal are caused to pass through a wall of a solid-state electrolyte (14) which is a conductor therefor, from a first side of the wall to an opposite second side thereof, and to combine with electrons at the second side of the wall and then to flow as molten metal from the container into the melt in the vessel.

METHOD AND DEVICE FOR PRODUCING MOTOR VEHICLE CHASSIS PARTS

The invention relates to a method and device for producing motor vehicle chassis parts which can be subjected to tensile stress, compressive stress and torsion and the mechanical strength of which can be adjusted over the respective cross-section, and which furthermore have high ductility and temperature stability and are made of an AlSiZnMg alloy by means of chill casting.

ALUMINUM ALLOY AND METHOD OF PRODUCTION

An aluminum alloy consists essentially of 8 to 15% by weight of silicon, 0.05 to 0.7% by weight of magnesium, 1 to 4.5% by weight of copper, the balance being aluminum, wherein a silicon crystal in eutectic structure crystallized out in an aluminum matrix has a mean grain size not larger than 5 microns and intermetallic compounds of magnesium and copper are finely precipitated in the matrix an age-hardening elements for the matrix, and the alloy has at least 40 kg/mm2 tensile strength and at least 10% elongation, good antiwearing and excellent workability. The disclosure is also concerned with a method of making the abovementioned aluminum alloy.

HIGH STRENGTH ALUMINUM ALLOY FOR HIGH TEMPERATURE APPLICATIONS

A cast article from an aluminum alloy has improved mechanical properties at elevated temperatures. The cast article has the following composition in weight percent: Silicon 6.0 - 25.0, Copper 5.0 - 8.0, Iron 0.05 - 1.2, Magnesium 0.5 - 1.5, Nickel 0.05 - 0.9, Manganese 0.05 -1.2, Titanium 0.05 - 1.2, Zirconium 0.05- 1.2, Vanadium 0.05 - 1.2, Zinc 0.05 - 0.9, Strontium 0.001 - 0.1, Phosphorus 0.001 - 0.1, and the balance is Aluminum, wherein the silicon-to-magnesium ratio is 10 - 25, and the copper-to-magnesium ratio is 4 - 15. The aluminum alloy contains a simultaneous dispersion of three types of A13X compound particles (X= Ti, V, Zr) having a L12 crystal structure, and their lattice parameters are coherent to the aluminum matrix lattice. A process for producing this cast article is also disclosed, as well as a metal matrix composite, which includes the aluminum alloy serving as a matrix containing up to about 60% by volume of a secondary filler material.

POWDERS BASED ON NIOBIUM-TIN COMPOUNDS FOR PRODUCING SUPERCONDUCTIVE COMPONENTS

The invention relates to powders based on niobium-tin compounds, in particular NbxSny, in which 1 = x = 6 and 1 = y = 5, for producing superconductive components, wherein the powders are characterized by a high porosity. The invention also relates to a method for producing same and to the use of such powders for producing superconductive components.

HIGH STRENGTH 6XXX ALUMINUM ALLOYS AND METHODS OF MAKING THE SAME

Provided are new high strength 6xxx aluminum alloys and methods of making aluminum sheets thereof. These aluminum sheets may be used to fabricate components which may replace steel in a variety of applications including the transportation industry. In some examples, the disclosed high strength 6xxx alloys can replace high strength steels with aluminum. In one example, steels having a yield strength below 340 MPa may be replaced with the disclosed 6xxx aluminum alloys without the need for major design modifications.

ALUMINUM ALLOYS HAVING IMPROVED TENSILE PROPERTIES

The present disclosure provides Al-Si-Mg aluminum alloys comprising a deliberate addition of Mn between 0.05-0.40 weight percent to increase at least one tensile property (such as the yield strength) of an aluminum product comprising such alloy. The Al-Si-Mg alloy comprises, in weight percent, 5-9% Si, 0.35-0.75% Mg, 0.05-0.4% Mn, less than 0.15% Fe, up to 0.15% Ti, 0.005-0.03% Sr and the balance being aluminum and unavoidable impurities, wherein the unavoidable impurities may be present in an amount of up to 0.05% each and up to 0.15% total. The present disclosure provides a foundry ingot comprising the above Al-Si-Mg aluminum alloy, a process for making the above Al-Si-Mg aluminum alloy and an aluminum alloy obtainable by said process.

DIE CASTING ALLOY

The invention relates to a die casting alloy on an aluminum-silicon base with a composition consisting of: 8.5 to 11.5 wt.% of silicon; 0.1 to 0.5 wt.% of magnesium; 0.3 to 0.8 wt.% of manganese; 0.02 to 0.5 wt.% of iron; 0.005 to 0.5 wt.% of zinc; 0.02 to 0.3 wt.% of molybdenum; 0.1 to 0.5 wt.% of copper; 0.02 to 0.15 wt.% of titanium; 0.02 to 0.3 wt.% of zirconium, 5 to 250 ppm of phosphorus, 10 to 200 ppm of gallium and the remainder of aluminum and unavoidable impurities. The alloy can be produced with a recycling rate of 50 %.

HIGHLY DUCTILE ALUMINUM ALLOY WITH HIGH MECHANICAL STRENGTH WHICH CAN BE DECORATIVELY ANODIZED, METHOD FOR PRODUCING IT, AND ALUMINUM PRODUCT MADE OF THIS ALLOY

The invention relates to a malleable, high mechanical strength aluminum alloy of the AlMgSi type which can be anodized in a decorative manner, to a semifinished product produced from said alloy, in the shape of strips, sheets or extruded profiles, and to a structural component produced from the above semifinished products, especially a reshaped component that has been anodized in a decorative manner. The invention also relates to a method for producing an aluminum alloy component of the above type. Said aluminum alloy has good malleability, achieved by weight percentages of strontium in the alloy and defined weight ratios of silicon to magnesium and iron to strontium.

ALUMINUM ALLOY AND THE UTILIZATION THEREOF FOR A CAST COMPONENT, IN PARTICULAR A MOTOR VEHICLE

The invention relates to an aluminum alloy, in particular a pressure cast ing alloy, preferably for a cast component of a motor vehicle, with the foll owing alloy elements: 6.5 to <9.5% by weight of silicon, 0.3 to 0.6% by w eight of manganese, 0.15 to 0.35% by weight of iron, 0.02 to 0.6% by weight of magnesium, a maximum of 0.1% by weight of titanium, 90 to 180 ppm stronti um and aluminum as the remainder, with a maximum of 0.05% by weight, and a t otal maximum of 0.2% by weight of production-related contaminants. The alloy is particularly suitable for the pressure casting of the cast components of a motor vehicle such as oil pans, for example.

AA6XXX ALUMINUM ALLOY SHEET WITH HIGH ANODIZED QUALITY AND METHOD FOR MAKING SAME

Provided herein are anodized quality AA6xxx series aluminum alloy sheets and methods for making anodized quality AA6xxx series aluminum alloy sheets. Also described herein are products prepared from the anodized quality AA6xxx series aluminum alloy sheets. Such products include consumer electronic products, consumer electronic product parts, architectural sheet products, architectural sheet product parts, and automobile body parts.

HIGH ELECTRIC RESISTANCE ALUMINUM ALLOY

An aluminum alloy casting having high electric resistance, high toughness and high corrosion resistance and optimally usable in manufacturing of electric motor housings, and a method of manufacturing said aluminum alloy casting are provided. The aluminum alloy casting has a composition including Si:11.0-13.0 mass%, Fe:0.2-1.0 mass%, Mn: 0.2-2.2 mass%, Mg: 0.7-1.3 mass%, Cr:0.5-1.3 mass% and Ti: 0.1-0.5 mass%, with the remainder consisting of Al and unavoidable impurities, wherein the content of Cu as an unavoidable impurity is limited to 0.2 mass% or less. In some cases, heat treatments such as solution heat treatment or artificial aging hardening treatment are performed after casting.

METHOD AND APPARATUS FOR THERMALLY TREATING AN ALUMINIUM WORKPIECE AND ALUMINIUM WORKPIECE

The invention relates to a method for thermally treating an aluminium workpiece, comprising the steps of providing an aluminium workpiece (304, 404, 504, 604, 710, 802), which is essentially in the T4 structural state, and exposing a first portion (328, 422, 522, 626, 720) of the workpiece (304, 404, 504, 604, 710, 802) to a first precipitation hardening process by artificial ageing to change the structural state of the first portion (328, 422, 522, 626, 720) of the workpiece (304, 404, 504, 604, 710, 802), wherein a part of the workpiece (304, 404, 504, 604, 710, 802) is actively cooled during the first precipitation hardening process, so that a second portion (330, 424, 524, 628, 722) of the workpiece (304, 404, 504, 604, 710, 802) essentially remains in the same structural state during the first precipitation hardening process. The invention further relates to an apparatus (302, 402, 502, 602, 702) for thermally treating an aluminium workpiece and to an aluminium workpiece (304, 404, ...

PROCESS FOR GRAIN REFINEMENT OF ALUMINIUM CASTING ALLOYS, INPARTICULAR ALUMINIUM/SILICON CASTING ALLOYS

For the grain refinement of aluminium casting alloys, in particular aluminium/silicon casting alloys, gallium phosphide and/or indium phosphide are/is added to the melt, optionally in addition to further grain-refine-ment and/or modification additions. The addition of gallium phosphide and/or indium phosphide results in a good grain refinement with low shrink-hole tendency and does not have an adverse effect on modification processes.

STEERING WHEEL

A steering wheel (32) is cast as a unitary casting from an alloy which includes 11,5 - 14% by weight of silicon and 350 - 450 parts per million of strontium. The invention extends to a method of forming such a wheel the method including the step of rotating the mould (10) in which the wheel is cast. The mould is rotated at relatively high rotational speeds so that the wheel experiences a pressure of 100g to 250g during casting. The optimum rotational speed is determined using a formula disclosed in the specification.

Verfahren zur Verbesserung der mechanischen Eigenschaften und des Gefüges von Gussstücken aus einer Aluminium-Silizium-Legierung.

Verfahren zur Herstellung von strontium- und/oder bariumhaltigen Vorlegierungen für die Veredelung von Aluminiumlegierungen

PROCEDURE FOR THE PRODUCTION OF PROPERTY DUCTILE ONE ZIPFELARMEN ALUMINUM PLATES WITH HIGH MECHANICAL FIRMNESS.

PROCEDURE FOR THE PRODUCTION OF SEMI-FINISHED MATERIAL FROM AN AL-MN-ALLOY WITH IMPROVED PHYSICAL PROPERTIES.

Procedure for the grain refining of aluminum cast alloys, in particular aluminum silicon cast alloys.

Aluminum silicon diecasting alloy with high corrosion resistance, in particular for safety construction units.

High elasticity hyper eutectic aluminum alloy and method for manufacturing the same

Aluminum alloy brazing sheet

Al-casting alloy

Aluminum alloy, method of casting aluminum alloy, and method of producing aluminum alloy product

An aluminum alloy is composed of 3.5% or more and 7.5% or less by mass of silicon, 0.45% or more and 0.8% or less by mass of magnesium, 0.05% or more and 0.35% or less by mass of chromium, and aluminum, assuming that the total amount of the alloy is 100% by mass.

THIXOTROPIC ALLOY ALUMINIUM-SILICIUM-CUIVRE FOR WORKING AT THE SEMI-SOLID STATE

MANUFACTORING PROCESS Of an ARTICLE MOULDS RESISTANT TO ALLOY WEAR A1-If

Emballage pour l'introduction de métal léger dans un alliage d'aluminium à l'état liquide.

L'invention est relative à un emballage métallique pour l'introduction d'un métal léger dans un alliage d'aluminium à l'état liquide. Cet emballage est caractérisé en ce qu'il est constitué par une portion de tube à l'intérieur duquel est placé le métal léger, ledit tube étant réalisé avec un métal qui a une température de fusion supérieure à celle de l'alliage et qui est susceptible de s'allier avec ce dernier sans être une source de pollution, étant muni à au moins une de ses extrémités d'un rétreint qui laisse susbsister un passage de faible section vers le métal léger et formant avec ce dernier un ensemble de masse volumique supérieure à celle de l'alliage. L'invention trouve son application notamment dans la modification des alliages d'aluminium-silicium par le sodium où il permet d'atteindre une efficacité voisine de 100%.

PROCEDE D'AFFINAGE DU SILICIUM PRIMAIRE DES ALUMINIUM-SILICIUM HYPEREUTECTIQUES

L'INVENTION CONCERNE UN PROCEDE D'AFFINAGE DU SILICIUM PRIMAIRE D'ALLIAGES ALUMINIUM-SILICIUM HYPEREUTECTIQUES. ELLE EST CARACTERISEE PAR UN PRE-AFFINAGE AU MOYEN D'UN PRODUIT A BASE DE PHOSPHORE SUIVI D'UN AFFINAGE PAR LE MAGNESIUM IMMEDIATEMENT AVANT LA COULEE. ELLE TROUVE SON APPLICATION DANS LA FABRICATION DE CHEMISES DE MOTEURS A COMBUSTION INTERNE OU DE TOUT AUTRE PIECE SOUMISE A DES FROTTEMENTS.

ALUMINUM ALLOY PART LOW SILICON

ALLOYS OF MOULDINGS CONTAINING ALUMINIUM (A1).

BRAZING MATERIALS

ALUMINIUM ALLOY HAS PROPERTIES AMELIOREES

ALUMINUM ALLOY

ALUMINUM ALLOY PLATE HAVING SUPERIOR BAKING FINISH HARDENING

AUTOMOBILE BODY PART

ALUMINUM ALLOY AND PROCESS FOR ITS PRODUCTION

ALUMINUM COMPOSITE MATERIAL FOR USE IN THERMAL FLUX-FREE JOINING METHODS AND METHOD FOR PRODUCING SAME

método de produção de uma liga de alumínio, e, produto de liga de alumínio.

High electric resistance aluminum alloy

An aluminum alloy casting having high electric resistance, high toughness and high corrosion resistance and optimally usable in manufacturing of electric motor housings, and a method of manufacturing said aluminum alloy casting are provided. The aluminum alloy casting has a composition including Si:11.0-13.0 mass%, Fe:0.2-1.0 mass%, Mn: 0.2-2.2 mass%, Mg: 0.7-1.3 mass%, Cr:0.5-1.3 mass% and Ti: 0.1-0.5 mass%, with the remainder consisting of Al and unavoidable impurities, wherein the content of Cu as an unavoidable impurity is limited to 0.2 mass% or less. In some cases, heat treatments such as solution heat treatment or artificial aging hardening treatment are performed after casting.

METHOD FOR PRODUCING PRESS-HARDENED SHAPED COMPONENTS

There is described a method for producing press-hardened shaped components, in particular bodywork or structural components of motor vehicles. The shaped components are produced from blanks (4) of hot-forming steel, for which purpose the blanks (4) are heated in a liquid bath (8), in particular molten metal, and subsequently hot-formed in a pressing tool (7) to form the shaped component and press-hardened. Preferably, a plurality of blanks (4) are arranged parallel to one another vertically in the liquid bath (8).

CASTING MADE FROM ALUMINIUM ALLOY, HAVING HIGH HOT CREEP AND FATIGUE RESISTANCE

The invention relates to a casting with high mechanical resistance under both static and fatigue conditions and under hot creep, made from an aluminium alloy having the following composition: 3 - 11% Si, preferably 5 - 9%; < 0.5% Fe, preferably < 0.3%, more preferably < 0.19% or even 0.12%; 2 - 5% Cu, preferably 2.5 - 4.2%, more preferably 3 - 4%; 0.05 - 0.5% Mn, preferably 0.08 - 0.2%; 0.1 - 0.25% Mg, preferably 0.1 - 0.2%; < 0.3% Zn, preferably < 0.1%; < 0.3% Ni, preferably < 0.1%; 0.05 - 0.2% V, preferably 0.1 - 0.19%; 0.05 - 0.25% Zr, preferably 0.08 - 0.2%; 0.01 - 0.25% Ti, preferably 0.05 - 0.2%; and < 0.05% of each of the other elements and 0.15% in total, the remainder being aluminium. In particular, the invention relates to cylinder heads of supercharged diesel or petrol internal combustion engines.

HIGH ELECTRIC RESISTANCE ALUMINUM ALLOY

An aluminum alloy casting having high electric resistance, high toughness and high corrosion resistance and optimally usable in manufacturing of electric motor housings, and a method of manufacturing said aluminum alloy casting are provided. The aluminum alloy casting has a composition including Si:11.0-13.0 mass%, Fe:0.2-1.0 mass%, Mn: 0.2-2.2 mass%, Mg: 0.7-1.3 mass%, Cr:0.5-1.3 mass% and Ti: 0.1-0.5 mass%, with the remainder consisting of Al and unavoidable impurities, wherein the content of Cu as an unavoidable impurity is limited to 0.2 mass% or less. In some cases, heat treatments such as solution heat treatment or artificial aging hardening treatment are performed after casting.

METHOD OF MANUFACTURING A STRUCTURAL ALUMINIUM ALLOY PART

The invention relates to a method for the manufacture of forming a structural part from a 7xxx- series aluminium alloy sheet, said structural part formed in a shaping operation using a strip of rolled aluminium alloy sheet, the method comprising the following steps: (i) cutting the aluminium alloy sheet to obtain an aluminium alloy sheet blank; (ii) heating the aluminium alloy sheet blank to a temperature of more than 450°C; (iii) shaping the heated aluminium alloy sheet blank to obtain the structural part; (iv) cooling of the shaped structural part; and (v) heat treating of the cooled and shaped structural part.

A HIGH CRASHWORTHINESS AL-SI-Mg ALLOY AND METHODS FOR PRODUCING AUTOMOTIVE CASTING

The present invention provides a casting having increased crashworthiness including an an aluminum alloy of about 6.0 wt % to about 8.0 wt % Si; about 0.12 wt % to about 0.25 wt % Mg; less than or equal to about 0.35 wt % Cu; less than or equal to about 4.0 wt % Zn; less than or equal to about 0.6 wt % Mn; and less than or equal to about 0.15 wt % Fe, wherein the cast body is treated to a T5 or T6 temper and has a tensile strength ranging from 100 MPa to 180 MPa and has a critical fracture strain greater than 10%. The present invention further provides a method of forming a casting having increased crashworthiness.

Cast aluminum alloys

Aluminum alloys having improved properties are provided. The alloy includes about 0 to 2 wt % rare earth elements, about 0.5 to about 14 wt % silicon, about 0.25 to about 2.0 wt % copper, about 0.1 to about 3.0 wt % nickel, approximately 0.1 to 1.0% iron, about 0.1 to about 2.0 wt % zinc, about 0.1 to about 1.0 wt % magnesium, 0 to about 1.0 wt % silver, about 0.01 to about 0.2 wt % strontium, 0 to about 1.0 wt % scandium, 0 to about 1.0 wt % manganese, 0 to about 0.5 wt % calcium, 0 to about 0.5 wt % germanium, 0 to about 0.5 wt % tin, 0 to about 0.5 wt % cobalt, 0 to about 0.2 wt % titanium, 0 to about 0.1 wt % boron, 0 to about 0.2 wt % zirconium, 0 to 0.5% yttrium, 0 to about 0.3 wt % cadmium, 0 to about 0.3 wt % chromium, 0 to about 0.5 wt % indium, and the balance aluminum. Methods of making cast aluminum parts are also described.

High-elasticity aluminum alloy and method of manufacturing the same

Disclosed is a high-elasticity aluminum alloy which contains carbide to improve elongation. Further, a method of manufacturing the high-elasticity aluminum alloy is provided. The method includes steps of: charging pure aluminum and an Al-5B master alloy in a melting furnace to form a first molten metal; charging an Al-10Ti master alloy in the first molten metal to form a second molten metal; charging silicon (Si) element in the second molten metal to form a third molten metal; adding carbon (C) to the third molten metal to form a fourth molten metal; and tapping the fourth molten metal into a mold to cast the fourth molten metal.

Aluminum alloy suitable for pistons

Disclosed is an aluminum alloy suitable for high temperature applications comprised of at least 9 wt. % Si, 3 to 7 wt. % Ni, 1.5 to 6 wt. % Cu, at least one of the elements selected from Mg, Mn, V, Sc, Fe, Ti, Sr, Zn, B and Cr, the remainder aluminum and impurities.

Aluminum alloys having improved mechanical properties and workability and method of making same

An aluminum alloy consisting essentially of 8 to 15% by weight of silicon, 0.05 to 0.7% by weight of magnesium, 1 to 4.5% by weight of copper, the balance being aluminum, wherein a silicon crystal in eutectic structure crystallized out in an aluminum matrix has a mean grain size not larger than 5 microns and intermetallic compounds of magnesium and copper are finely precipitated in the matrix as age-hardening elements for the matrix, and the alloy has at least 40 kg/mm2 tensile strength and at least 10% elongation, good antiwearing and excellent workability.

Cast Al—Si—Mg-based aluminum alloy having excellent specific rigidity, strength and ductility, and cast member and automobile road wheel made thereof

A casting Al—Si—Mg-based aluminum alloy comprising by mass 12.0-14.0% of Si, 1.5-4.0% of Mg, and 0.10% or less of Mn, the balance being Al and inevitable impurities, and having excellent specific rigidity, strength and ductility, and its cast member.

Accelerated solution treatment process for aluminum alloys

A method of providing solution heat treatment to an aluminum alloy. A non-isothermal process is used to provide a faster heat treatment cycle time while maintaining or further improving the alloy mechanical properties after subsequent aging hardening. The process includes establishing a temperature inside a processing vessel that is greater than a soaking temperature but less than a liquidus temperature of the alloy, rapidly heating the alloy to the soaking temperature in a first heating operation, reducing the temperature inside of the processing vessel to the soaking temperature, then heating the alloy to a temperature above the soaking temperature through a gradually increasing temperature in a second heating operation. Protocols for the improved solution heat treatment may be based on one or more of computational thermodynamics, dissolution kinetics and coarsening kinetics.

High strength 6XXX aluminum alloys and methods of making the same

Provided are new high strength 6xxx aluminum alloys and methods of making aluminum sheets thereof. These aluminum sheets may be used to fabricate components which may replace steel in a variety of applications including the transportation industry. In some examples, the disclosed high strength 6xxx alloys can replace high strength steels with aluminum. In one example, steels having a yield strength below 340 MPa may be replaced with the disclosed 6xxx aluminum alloys without the need for major design modifications.

AA6XXX ALUMINUM ALLOY SHEET WITH HIGH ANODIZED QUALITY AND METHOD FOR MAKING SAME

Provided herein are anodized quality AA6xxx series aluminum alloy sheets and methods for making anodized quality AA6xxx series aluminum alloy sheets. Also described herein are products prepared from the anodized quality AA6xxx series aluminum alloy sheets. Such products include consumer electronic products, consumer electronic product parts, architectural sheet products, architectural sheet product parts, and automobile body parts.

Highly corrosion-resistant plated steel sheet having excellent plating adhesion and resistance to liquid metal embrittlement

Provided is a highly corrosion-resistant plated steel sheet having plating adhesion and resistance to liquid metal embrittlement. A highly corrosion-resistant plated steel sheet comprises a base steel sheet and a plated layer, which sequentially comprises an Fe—Al alloy layer and an MgZn2layer from an interface with the base steel sheet.

Aluminum alloy and method for producing the same

The present disclosure provides an aluminum (Al) alloy, for general casting, and a technique for producing the same. The Al alloy includes Al, Si in the range of 5 to 13 wt %, Ti in the range of 2 to 7 wt % and B in the range of 1 to 3 wt %. According to the disclosure, a TiB 2 compound may be formed in the Al alloy, where the ratio of Ti:B may range from 2 to 2.5 wt %. The Al alloy of the disclosure has improved elasticity, and is suitable for general casting processes such as, for example, high pressure casting process.

ALUMINUM ALLOY FORGED MATERIAL FOR AUTOMOTIVE VEHICLES AND PRODUCTION METHOD FOR THE MATERIAL

An aluminum alloy forged material for automotive vehicles comprises 0.6˜1.2 mass % of Mg, 0.7˜1.5 mass % of Si, 0.1.˜0.5 mass % of Fe, 0.01˜0.1 mass % of Ti, 0.3˜1.0 mass % of Mn, at least one of 0.1˜0.4 mass % of Cr and 0.05˜0.2 mass % of Zr, a restricted amount of Cu that is less than or equal to 0.1 mass %, a restricted amount of Zn that is less than or equal to 0.05 mass %, a restricted amount of H that is less than or equal to 0.25 ml in 100 g Al and a remainder of Al and inevitably contained impurities, and the material includes precipitated crystalline particles among which the largest one has a maximum equivalent circle diameter equal to or less than 8 μm and an area ratio of the precipitated crystalline particles is equal to or less than 3.6%. 1. An aluminum alloy forged material comprising;0.6˜1.2 mass % of Mg;0.7˜1.5 mass % of Si;0.1˜0.5 mass % of Fe;0.01˜0.1 mass % of Ti;0.3˜1.0 mass % of Mn;at least one of 0.1˜0.4 mass % of Cr and 0.05-0.2 mass % of Zr;a restricted amount of Cu that is less than or equal to 0.1 mass %,a restricted amount of Zn that is less than or equal to 0.05 mass %,a restricted amount of H that is less than or equal to 0.25 ml in 100 g Al anda remainder of Al and inevitably contained impurities,wherein the aluminum alloy forged material includes precipitated crystalline particles among which a largest precipitated crystalline particle has a maximum equivalent circle diameter less than or equal to 8 μm and has a tensile strength larger than or equal to 420 MPa, and an area ratio of the precipitated crystalline particles is equal to or less than 3.6%.2. A production method for the aluminum alloy forged material as described in comprising processes to be performed in a following order of;{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'a melting and casting process of melting the aluminum alloy having the composition as described in to a melting temperature between 700° C. and 780° C. and casting the melt aluminum alloy to an ingot;'} ...

HIGH ELECTRIC RESISTANCE ALUMINUM ALLOY

An aluminum alloy casting having high electric resistance, high toughness and high corrosion resistance and optimally usable in manufacturing of electric motor housings, and a method of manufacturing said aluminum alloy casting are provided. The aluminum alloy casting has a composition including Si: 11.0-13.0 mass %, Fe: 0.2-1.0 mass %, Mn: 0.2-2.2 mass %, Mg: 0.7-1.3 mass %, Cr: 0.5-1.3 mass % and Ti: 0.1-0.5 mass %, with the balance consisting of Al and unavoidable impurities, wherein the content of Cu as an unavoidable impurity is limited to 0.2 mass % or less. In some cases, heat treatments such as solution heat treatment or artificial aging hardening treatment are performed after casting. 1. An aluminum alloy casting , comprising 11.0 to 13.0 mass % of Si , 0.2 to 1.0 mass % of Fe , 0.2 to 2.2 mass % of Mn , 0.7 to 1.3 mass % of Mg , 0.5 to 1.3 mass % of Cr and 0.1 to 0.5 mass % of Ti ,wherein the aluminum alloy casting has a balance of Al and unavoidable impurities, in which an amount of Cu as an unavoidable impurity is 0.2 mass % or less.2. The aluminum alloy casting of claim 1 , wherein the aluminum alloy casting is cast by a process comprising gravity casting claim 1 , low-pressure casting claim 1 , die casting or squeeze casting.3. The aluminum alloy casting of claim 2 , wherein the aluminum alloy casting is not subjected to a heat treatment after the casting.4. The aluminum alloy casting of claim 2 , wherein after the casting claim 2 , the aluminum alloy casting is subjected to a solution heat treatment at a temperature of from 510 to 530° C. for 2 to 5 hours claim 2 , followed by artificial ageing at a temperature of from 160 to 200° C. for 4 to 8 hours.5. An electric motor housing obtained by the aluminum alloy casting of .6. A method for producing an aluminum alloy casting claim 1 , the method comprising casting an aluminum alloy melt comprising 11.0 to 13.0 mass % of Si claim 1 , 0.2 to 1.0 mass % of Fe claim 1 , 0.2 to 2.2 mass % of Mn claim 1 , 0.7 ...

Aluminum Alloy Combining High Strength, Elongation and Extrudability

An aluminum alloy includes, in weight percent, 0.70-0.85 Si, 0.14-0.25 Fe, 0.25-0.35 Cu, 0.05 max Mn, 0.75-0.90 Mg, 0.12-0.18 Cr, 0.05 max Zn, and 0.04 max Ti, the balance being aluminum and unavoidable impurities. The alloy may be suitable for extruding, and may be formed into an extruded alloy product. 1. An aluminum alloy comprising , in weight percent , 0.70-0.85 Si , 0.14-0.25 Fe , 0.25-0.35 Cu , 0.05 max Mn , 0.75-0.90 Mg , 0.12-0.18 Cr , 0.05 max Zn , and 0.04 max Ti , the balance being aluminum and unavoidable impurities.2. The alloy of claim 1 , wherein the unavoidable impurities may each be present at a maximum weight percent of 0.05 claim 1 , and the maximum total weight percent of the unavoidable impurities is 0.15.3. The alloy of claim 1 , wherein the Mn content is 0.03 max weight percent.4. The alloy of claim 1 , wherein the alloy is extruded claim 1 , and wherein less than about 20% of a cross section of the extruded alloy has undergone recrystallization over at least a portion of a length of the extruded alloy.5. The alloy of claim 4 , wherein less than about 10% of the cross section has undergone recrystallization over the at least a portion of the length of the extruded alloy.6. The alloy of claim 1 , wherein the alloy is extruded claim 1 , and wherein less than about 20% of a cross section of the extruded alloy has undergone recrystallization over an entire length of the extruded alloy.7. The alloy of claim 6 , wherein less than about 10% of the cross section has undergone recrystallization over the entire length of the extruded alloy.8. The alloy of claim 1 , wherein the alloy has a tensile yield strength of at least about 310 MPa.9. The alloy of claim 1 , wherein the alloy has a tensile elongation of at least about 12%.10. The alloy of claim 1 , wherein the alloy has a fine Cr dispersoid distribution.11. The alloy of claim 1 , wherein the alloy is extruded claim 1 , wherein the extruded alloy has a substantially non-recrystallized microstructure ...

ALUMINUM ALLOY SHEET EXCELLENT IN BAKING FINISH HARDENABILITY

This aluminum alloy sheet has increased BH properties under low-temperature short-time-period conditions after long-term room-temperature aging by means of causing aggregates of specific atoms to be contained having a large effect in BH properties, the distance between atoms being no greater than a set distance, and containing either Mg atoms or Si atoms measured by 3D atom probe field ion microscopy in a 6000 aluminum alloy sheet containing a specific amount of Mg and Si. 1. An Al—Mg—Si-based aluminum alloy sheet excellent in baking finish hardenability containing Mg: 0.2-2.0% and Si: 0.3-2.0% in mass % with the remainder being Al and inevitable impurities , wherein an aggregate of atoms measured by a three-dimensional atom probe field ion microscope contains either of Mg atoms or Si atoms or both of them by 30 pieces or more in total , when any atom of the Mg atom or the Si atom contained therein is made a reference , the distance between the atom of the reference and either atom out of neighboring other atoms is 0.75 nm or less , and the aggregates of atoms satisfying these conditions are contained by average number density of 1.0×10pieces/μmor more.2. The Al—Mg—Si-based aluminum alloy sheet excellent in baking finish hardenability according to claim 1 , further containing one element or two elements or more of Mn: 1.0% or less (not including 0%) claim 1 , Cu: 1.0% or less (not including 0%) claim 1 , Fe: 1.0% or less (not including 0%) claim 1 , Cr: 0.3% or less (not including 0%) claim 1 , Zr: 0.3% or less (not including 0%) claim 1 , V: 0.3% or less (not including 0%) claim 1 , Ti: 0.05% or less (not including 0%) claim 1 , and Zn: 1.0% or less (not including 0%). The present invention relates to an Al—Mg—Si-based aluminum alloy sheet. The aluminum alloy sheet referred to in the present invention means an aluminum alloy sheet that is a rolled sheet such as a hot rolled sheet, a cold rolled sheet and the like and is subjected to refining such as solution heat ...

Automobile Body Part

In a car body or component thereof with at least one first component of sheet metal of a first aluminum alloy and at least one second component of sheet metal of a second aluminum alloy, the first and second aluminum alloys are of type AlMgSi and in the sheet metal of the second aluminum alloy a substantial part of the elements Mg and Si, which are required to achieve artificial ageing in solid solution, is present in the form of separate MgSi and/or Si particles in order to avoid artificial ageing. By reduction of the hardening capacity of the second component during artificial ageing of the body as part of the paint baking cycle, the car body has an improved impact protection for pedestrians in comparison with solutions according to the prior art. 1. A sheet metal AlMgSi type aluminum alloy automobile body part , wherein a substantial part of the elements Mg and Si in the sheet metal , which are required to achieve artificial ageing in solid solution , are present as separate MgSi and/or Si particles to avoid artificial ageing.2. The automobile body part of claim 1 , wherein the aluminum alloy contains:0.6 to 1.2 weight percent silicon,0.3 to 0.8 weight percent magnesium;max. 0.8 weight percent copper;max. 0.4 weight percent iron;max. 0.3 weight percent manganese;max. 0.2 weight percent vanadium;with production-related contaminants and aluminum as the remainder.3. The automobile body part of claim 1 , wherein the aluminum alloy contains:0.30 to 0.50 weight percent silicon;0.30 to 0.50 weight percent magnesium;max. 0.20 weight percent copper;0.05 to 0.20 weight percent iron,max. 0.10 weight percent manganese;max. 0.15 weight percent vanadium;with production-related contaminants, individually a maximum of 0.05 weight percent, total maximum of 0.15 weight percent, and aluminum as the remainder.4. The automobile body part of claim 3 , wherein at least more than 40% of the elements Mg and Si are precipitated in a form where they are no longer available for subsequent ...

ALUMINUM CASTING ALLOY

An aluminum casting alloy contains 1. An aluminum casting alloy that contains the following alloy componentsSi: 3.0 wt.-% to 3.8 wt.-%Mg: 0.3 wt.-% to 0.6 wt.-%Cr: 0.25 wt.-% to 0.35 wt.-%Fe: <0.18 wt.-%Mn: <0.06 wt.-%Ti: <0.16 wt.-%Cu: <0.006 wt.-%Sr: 0.010 wt.-% to 0.030 wt.-%Zr: <0.006 wt.-%Zn: <0.006 wt.-%Contaminants: <0.1 wt.-%,and is supplemented to 100 wt.-%, in each instance, with Al.2. The aluminum casting alloy of claim 1 , wherein the contaminants are <0.005 wt.-%.3. The aluminum casting alloy according to claim 1 , wherein Si is contained at a content of more than 3.1 wt.-% up to less than 3.7 wt.-%.4. The aluminum casting alloy according to claim 1 , wherein Mg is contained at a content of 0.5 wt.-% to 0.6 wt.-%.5. The aluminum casting alloy according to claim 1 , wherein Cr is contained at a content of 0.25 wt.-% to less than 0.30 wt.-%.6. The aluminum casting alloy according to claim 1 , wherein Fe is contained at a content of 0.01 wt.-% to 0.15 wt.-%.7. The aluminum casting alloy according to claim 1 , wherein Mn is contained at a content of 0.01 wt.-% to 0.05 wt.-%.8. The aluminum casting alloy according to claim 1 , wherein Ti is contained at a content of 0.05 wt.-% to 0.15 wt.-%.9. The aluminum casting alloy according to claim 1 , wherein Cu is contained at a content of 0.001 wt.-% to 0.005 wt.-%.10. The aluminum casting alloy according to claim 1 , wherein Sr is contained at a content of 0.015 wt.-% to 0.025 wt.-%.11. The aluminum casting alloy according to claim 1 , wherein Zr is contained at a content of 0.001 wt.-% to 0.005 wt.-%.12. The aluminum casting alloy according to claim 1 , wherein Zn is contained at a content of 0.001 wt.-% to 0.005 wt.-%.13. The aluminum casting alloy according to claim 1 , wherein the aluminum casting alloy is a low-pressure aluminum casting alloy.14. The aluminum casting alloy according to claim 1 , wherein the aluminum casting alloy is a low-pressure/counter-pressure (CPC) aluminum casting alloy.15. A method for ...

ALUMINUM ALLOY COMPOSITION AND HEAT TREATMENT METHOD OF THE ALUMINUM ALLOY COMPOSITION

Disclosed herein is an aluminum alloy composition and a method of heat treating the aluminum alloy, to improve process control and strength of the aluminum alloy for a rear safety plate mounted on a truck, etc., complying with safety regulations wherein the aluminum alloy composition includes Silicon (Si) about 0.8 to 1.3% by weight, Iron (Fe) up to about 0.5% by weight, Copper (Cu) about 0.15 to 0.4% by weight, Manganese (Mn) up to about 0.15% by weight, Magnesium (Mg) about 0.8 to 1.2% by weight, Chromium (Cr) up to about 0.25% by weight, Zinc (Zn) up to about 0.2% by weight, Titanium (Ti) up to about 0.1% by weight and the remaining percent by weight of Aluminum (Al) of the entire composition. 1. An aluminum alloy composition comprising Silicon (Si) about 0.8 to 1.3% by weight , Iron (Fe) up to about 0.5% by weight , Copper (Cu) about 0.15 to 0.4% by weight , Manganese (Mn) up to about 0.15% by weight , Magnesium (Mg) about 0.8 to 1.2% by weight , Chromium (Cr) up to about 0.25% by weight , Zinc (Zn) up to about 0.2% by weight , Titanium (Ti) up to about 0.1% by weight and the remaining percent by weight of Aluminum(Al) of the entire composition.2. The aluminum alloy composition of claim 1 , further comprising Beryllium (Be) and Zirconium (Zr).3. The aluminum alloy composition of claim 2 , wherein the Beryllium (Be) is about 0.04 to 0.07% by weight and the Zirconium (Zr) is about 0.2 to 0.3% by weight of the entire composition.4. A heat treatment method of an aluminum alloy composition claim 2 , comprising:heat treating the aluminum alloy; andafter heat treating the aluminum alloy, age heat treating the aluminum alloy at about 205° C. to 215° C. for 4 to 5 hours.5. The heat treatment method of claim 4 , wherein the aluminum alloy composition comprises Silicon (Si) about 0.8 to 1.3% by weight claim 4 , Iron (Fe) up to about 0.5% by weight claim 4 , Copper (Cu) about 0.15 to 0.4% by weight claim 4 , Manganese (Mn) up to about 0.15% by weight claim 4 , Magnesium (Mg ...

Strip of aluminium alloy for manufacturing brazed heat exchangers

A strip intended for the manufacture of brazed heat exchangers, having a core made of an alloy with the composition (weight %):Si: 0.10-0.30%, preferably 0.15-0.25%Fe<0.25%, preferably 0.1-0.2%Cu: 0.85-1.1%, preferably 0.9-1.0%Mn: 1.2-1.7%, preferably 1.2-1.4%Mg: 0.1-0.3%, preferably 0.1-0.21%Zn<0.1%Ti 0.05-0.20%, preferably 0.06-0.15%, more preferably 0.06-0.1%optionally up to 0.15% of Bi and/or Yother elements <0.05% each and <0.15% in total,remainder aluminium.

PROCESS FOR OBTAINING A LOW SILICON ALUMINIUM ALLOY PART

The part made of low-silicon aluminum alloy contains magnesium, copper, manganese, titanium, and strontium. Said part is obtained by a method that consists in: 1. A method of obtaining a part made of low-silicon aluminum alloy , containing the alloy comprising:silicon at a content lying in the range of 0.5% to 3%;magnesium at a content lying in the range of 0.65% to 1%;copper at a content lying in the range of 0.20% to 0.40%;manganese at a content lying in the range of 0.15% to 0.25%;titanium at a content lying in the range of 0.10% to 0.20%; andstrontium at a content lying in the range of 0 ppm to 120 ppm; said method including:casting said alloy in a mold so as to obtain the part;after the casting, demolding the part constituting a preform that is still hot;cooling said preform and then subjecting said preform to an operation adapted for reheating saisd preform to a temperature lying in the range of 470° C. to 550° C.;positioning said part between two shells of a die that defines a cavity of dimensions substantially equal to but less than the dimensions of the cavity of the mold; andstrongly pressing the two shells together to exert on the part disposed between said shells a combined effect of pressing and surface kneading.2. An automobile part comprising the Use of a part obtained by the method according to .3. An aviation part comprising the part obtained by the method according to . The invention relates to the technical field of foundry work or casting, for manufacturing aluminum parts, in particular in the automobile and aviation sectors, and more generally in all types of industry.Many alloys exists that are said to be “low-silicon” alloys. Such alloys have high mechanical characteristics after T6 heat treatment (Rpof 300 MPa; A % of 8%). They are grouped together in the 6000 (Al—Mg—Si) series in the classification of aluminum alloys. The most well known are the 6082, 6061, and 6151. Numerous compositions also exist with contents similar to the standardized ...

ALUMINUM WITH GRAIN REFINERS, AND METHODS FOR MAKING AND USING THE SAME

We have developed a scalable approach to directly incorporate grain-refining nanoparticles into conventional hot-tear-susceptible pure aluminum or aluminum alloy powders. These aluminum alloy powders may be additively manufactured into high-strength, crack-free aluminum alloys with fine equated microstructures by incorporating nanoparticle nucleants to control solidification during additive manufacturing. Some variations provide an additively manufactured aluminum alloy comprising aluminum and at least one grain-refining element, wherein the additively manufactured aluminum alloy has a microstructure with equated grains. Pure aluminum or aluminum alloys, combined with grain refiners, are useful in many processes beyond additive manufacturing. Some variations provide an aluminum alloy comprising aluminum and grain-refining nanoparticles selected from zirconium, tantalum, niobium, or titanium, wherein the aluminum alloy has a microstructure that is substantially crack-free with equated grains. 1. An aluminum alloy powder for manufacturing a three-dimensional high-strength aluminum alloy part by a powder bed fusion additive manufacturing process , each particle of the aluminum alloy powder comprising:an aluminum alloy including silicon, copper, and optionally magnesium,wherein, when said aluminum alloy is heated to a first temperature greater than a liquidus temperature of said aluminum alloy and subsequently cooled to a second temperature less than said liquidus temperature of said aluminum alloy and greater than a solidus temperature of said aluminum alloy, said aluminum alloy transitions from a liquid phase to a multiphase system that includes a solution of liquid phase aluminum and a solid phase of silicon particles dispersed throughout said liquid phase aluminum.2. The aluminum alloy powder of claim 1 , wherein said copper is present in a concentration from about 0.1 wt % to about 10 wt % in said aluminum alloy.3. The aluminum alloy powder of claim 1 , wherein ...

High-Strength Aluminum Alloy Extruded Material That Exhibits Excellent Formability And Method For Producing The Same

An aluminum alloy is provided that is used to produce a high-strength aluminum alloy extruded material that exhibits excellent formability. The aluminum alloy consists of 0.30 to 1.00 mass % of Mg, 0.6 to 1.40 mass % of Si, 0.10 to 0.40 mass % of Fe, 0.10 to 0.40 mass % of Cu, 0.005 to 0.1 mass % of Ti, 0.3 mass % or less of Mn, 0.01 to 2.0 mass % of Zn, and 0.10 mass % or less of Zr, with the balance being aluminum and unavoidable impurities, the aluminum alloy having a stoichiometric Mg2Si content of 0.60 to 1.30 mass % and an excess Si content of 0.30 to 1.00 mass %.

Aluminum alloy plate having excellent moldability and bake finish hardening properties

An aluminum alloy sheet excellent in terms of formability and bake hardenability is provided. The aluminum alloy sheet contains, in terms of mass %, Mg: 0.2 to 2.0%, Si: 0.3 to 2.0% and Sn: 0.005 to 0.3%, with the remainder being Al and unavoidable impurities. A differential scanning calorimetry curve of the aluminum alloy sheet has an endothermic peak in a temperature range of 150 to 230° C. and an exothermic peak in a temperature range of 240 to 255° C. The endothermic peak corresponds to a dissolution of a Mg—Si cluster and has a peak height of 8 μW/mg or less, including 0 μW/mg. The exothermic peak corresponds to a formation of a Mg—Si cluster and has a peak height of 20 μW/mg or larger.

Process for low-cost tempering of aluminum casting

A thermally stable component formed of a tempered aluminum alloy casting which reduced costs is provided. The aluminum alloy typically has an elongation of at least 8% after casting, which is preferred for self-piercing rivet processes. The aluminum alloy leaves a casting facility in the as-cast (F temper) condition. The cast aluminum alloy is then shipped to another entity, such as an OEM, and is subjected to an artificial aging process, such as on the OEM's existing paint line, rather than at the casting facility. The artificial aging process typically includes electrodeposition coating and curing. The components that can be formed by the reduced cost method include lightweight automotive vehicle components, including structural, body-in-white, suspension, or chassis components, such as front shock towers, front body hinge pillars, tunnels, and rear rails.

Age-hardenable aluminum alloy and method for improving the ability of a semi-finished or finished product to age artificially

An aluminum alloy and a method for improving the ability of a semi-finished or finished product to age artificially, includes an age-hardenable aluminum alloy on an Al—Mg—Si, Al—Zn, Al—Zn—Mg or Al—Si—Mg basis, wherein the aluminum alloy is transformed to a solid solution state, in particular by solution heat treatment ( 1 ), is quenched and subsequently forms precipitations by a process of natural aging ( 3 ), the method involving at least one measure for reducing a negative effect of natural aging ( 3 ) of the aluminum alloy on artificial aging ( 4 ) thereof. In order to achieve advantageous method conditions, a measure for reducing the negative effect involves an addition of at least one alloy element which can be associated with quenched-in vacancies for the solid solution of the aluminum alloy with a proportion of under 500, in particular under 200, atomic ppm in the aluminum alloy, whereby the number of vacancies that are not associated with precipitations at the beginning of artificial aging ( 4 ) increases in order to reduce the negative effect of natural aging ( 3 ) of the aluminum alloy on the further artificial aging ( 4 ) thereof by mobilizing these unassociated vacancies.

ALUMINUM WITH GRAIN REFINERS, AND METHODS FOR MAKING AND USING THE SAME

We have developed a scalable approach to directly incorporate grain-refining nanoparticles into conventional hot-tear-susceptible pure aluminum or aluminum alloy powders. These aluminum alloy powders may be additively manufactured into high-strength, crack-free aluminum alloys with fine equiaxed microstructures by incorporating nanoparticle nucleants to control solidification during additive manufacturing. Some variations provide an additively manufactured aluminum alloy comprising aluminum and at least one grain-refining element, wherein the additively manufactured aluminum alloy has a microstructure with equiaxed grains. Pure aluminum or aluminum alloys, combined with grain refiners, are useful in many processes beyond additive manufacturing. Some variations provide an aluminum alloy comprising aluminum and grain-refining nanoparticles selected from zirconium, tantalum, niobium, or titanium, wherein the aluminum alloy has a microstructure that is substantially crack-free with equiaxed grains. 1. An aluminum alloy comprising:(a) at least 80 wt % aluminum; and(b) grain-refining nanoparticles comprising an element selected from the group consisting of zirconium, tantalum, niobium, titanium, and oxides, nitrides, hydrides, carbides, borides, or aluminides thereof, and combinations of any of the foregoing,wherein said aluminum alloy has a microstructure that is substantially crack-free with equiaxed grains.2. The aluminum alloy of claim 1 , wherein said aluminum is present in a concentration of at least 90 wt %.3. The aluminum alloy of claim 2 , wherein said aluminum is present in a concentration of at least 99 wt %.4. The aluminum alloy of claim 3 , wherein said aluminum is present in a concentration of at least 99.9 wt %.5. The aluminum alloy of claim 1 , wherein said aluminum alloy consists essentially of said aluminum and said grain-refining nanoparticles.6. The aluminum alloy of claim 1 , wherein said aluminum is in the form of pure aluminum.7. The aluminum alloy ...

ADVANCED CAST ALUMINUM ALLOYS FOR AUTOMOTIVE ENGINE APPLICATION WITH SUPERIOR HIGH-TEMPERATURE PROPERTIES

A high fatigue strength aluminum alloy comprises in weight percent copper 3.0-3.5%, iron 0-1.3%, magnesium 0.24-0.35%, manganese 0-0.8%, silicon 6.5-12.0%, strontium 0-0.025%, titanium 0.05-0.2%, vanadium 0.20-0.35%, zinc 0-3.0%, zirconium 0.2-0.4%, a maximum of 0.5% other elements and balance aluminum plus impurities. The alloy defines a microstructure having an aluminum matrix with the Zr and the V in solid solution after solidification. The matrix has solid solution Zr of at least 0.16% after heat treatment and solid solution V of at least 0.20% after heat treatment, and both Cu and Mg are dissolved into the aluminum matrix during the heat treatment and subsequently precipitated during the heat treatment. A process for heat treating an Al—Si—Cu—Mg—Fe—Zn—Mn—Sr-TMs alloy comprises heat treating the alloy to produce a microstructure having a matrix with Zr and V in solid solution after solidification. 1. A high fatigue strength aluminum alloy comprising , in wt. %:Cu between 3.0-3.5%;Fe between 0-1.3%;Mg between 0.24-0.35%;Mn between 0-0.8%;Si between 6.5-12.0%;Sr between 0-0.025%;Ti between 0.05-0.2%;V between 0.20-0.35%;Zn between 0-3.0%;Zr between 0.2-0.4%;maximum 0.5% other elements; andbalance Al,wherein the alloy defines a microstructure having a matrix with the Zr and the V in solid solution after solidification, with solid solution Zr of at least 0.16% after heat treatment and solid solution V of at least 0.20% after heat treatment, and the Cu and the Mg dissolved into the matrix during the heat treatment and subsequently precipitated during the heat treatment.2. The alloy according to claim 1 , wherein the alloy is capable of withstanding up to 98 MPa at up to 10cycles at up to 180° C. after 100 hours soaking at the test temperature.3. The alloy according to claim 1 , wherein the Si is between 6.5-8.0% claim 1 , the Fe is 0-0.2% claim 1 , the Mn is 0-0.4% claim 1 , the Sr is 0-0.025% claim 1 , and the Zn is 0%.4. A cylinder head having the alloy according ...

METHOD FOR PRODUCING A MOTOR VEHICLE COMPONENT FROM A 6000 SERIES ALUMINUM ALLOY

A method for producing a motor vehicle component from a 6000 series aluminum alloy including providing a blank made of a 6000 series aluminum alloy, rapid heating of the blank to a temperature between 450 deg. C. and 600 deg. C. at a heating rate of more than 15 K/s in a period of less than 20 seconds, ending the heating process and optionally homogenizing, if a grain size between 20 and 50 μm has been produced, quenching the blank thus tempered, applying a lubricant, preferably at 20 deg. C. to 100 deg. C., forming the cooled blank in a forming tool, wherein the time between completion of the heating process and the start of the forming is less than 30 seconds, and aging. 1. A method for producing a motor vehicle component from a 6000 series aluminum alloy , comprising:providing a blank made of a 6000 series aluminum alloy;rapid heating of the blank to a temperature between 450 deg. C. and 600 deg. C. at a heating rate of more than 15 K/s in a period of less than 20 seconds;ending the heating process and homogenizing, if a grain size between 20 and 50 μm has been produced;quenching the blank thus tempered;applying a lubricant at a temperature between 20 deg. C. to 100 deg. C.;forming the cooled blank in a forming tool, wherein the time between completion of the heating process and the start of the forming is less than 30 seconds: and,aging.4. The method according to claim 2 , wherein a relative ratio of the fractions in percent by weight of magnesium to silicon is from 5 to 7 up to 5 to 9.5. The method according to claim 2 , wherein the content in percent by weight of magnesium and silicon together is greater than or equal to 1.20 and less than or equal to 1.90.6. The method according to claim 5 , further comprising producing a yield limit Rp 0.2 of greater than 260 MPa claim 5 , in particular claim 5 , greater than 280 MPa.7. The method according to claim 6 , further comprising producing a tensile strength Rm of greater than 320 MPa.8. The method according to ...

ALUMINUM ALLOY MATERIAL, ALUMINUM ALLOY STRUCTURE, AND MANUFACTURING METHOD FOR SAME

An aluminum alloy material contains Si: 1.0 mass % to 5.0 mass % and Fe: 0.01 mass % to 2.0 mass % with balance being Al and inevitable impurities, wherein 250 pcs/mmor more to 7×10pcs/mmor less of Si-based intermetallic compound particles having equivalent circle diameters of 0.5 to 5 μm are present in a cross-section of the aluminum alloy material, while 100 pcs/mmto 7×10pcs/mmof Al-based intermetallic compound particles having equivalent circle diameters of 0.5 to 5 μm are present in a cross-section of the aluminum alloy material. An aluminum alloy structure is manufactured by bonding two or more members in vacuum or a non-oxidizing atmosphere at temperature at which a ratio of a mass of a liquid phase generated in the aluminum alloy material to a total mass of the aluminum alloy material is 5% or more and 35% or less.

CAST ALUMINUM ALLOYS FOR AUTOMOTIVE APPLICATIONS BY MICROSTRUCTURE REFINEMENT USING TSP TREATMENT

A method of casting an aluminum alloy is provided. The method includes casting a master aluminum alloy having a trisilanol phenyl polyhedral oligomeric silsesquioxanes (TSP) modifier into an ingot and adding the master aluminum alloy ingot into a molten base aluminum alloy to form a modified aluminum alloy. The modified aluminum alloy is heated for a period of time and then cast into a cast component. A variation of the method includes mixing a powdered aluminum alloy with a powdered TSP and pressing the mixture of powdered TSP and powdered aluminum alloy into a compacted preform prior to casting the master aluminum alloy. The compacted preform is melted during the step of casting the master aluminum alloy. 1. A method of casting an aluminum alloy comprising:casting a master aluminum alloy having a trisilanol phenyl polyhedral oligomeric silsesquioxanes (TSP) modifier into an ingot;adding the master aluminum alloy ingot into a molten base aluminum alloy to form a modified aluminum alloy;heating the modified aluminum alloy for a period of time; andcasting the modified aluminum alloy into a cast component.2. The method according to further comprising claim 1 , prior to casting the master aluminum alloy:mixing a powdered aluminum alloy with a powdered TSP; andpressing the mixture of powdered TSP and powdered aluminum alloy into a compacted preform,wherein the compacted preform is melted during the step of casting the master aluminum alloy.3. The method according to claim 2 , wherein a plurality of compacted preforms are pressed and subsequently melted during the step of casting the master aluminum alloy.4. The method according to claim 1 , wherein the modified aluminum alloy is degassed prior to casting.5. The method according to claim 1 , wherein the master aluminum alloy is an aluminum-silicon (AlSi) based alloy.6. The cast component according to the method of comprising a microstructure having fibrous eutectic Si.7. The method according to claim 1 , wherein the ...

Aluminum alloy

An aluminum alloy for components with increased rigidity, having a tensile yield strength Rp0.2>200 MPa and simultaneous elongation at break A>6% after a heat treatment, or a tensile yield strength Rp 0.2>120 MPa and simultaneously high elongation at break A>9% in the cast state, or >10% after a T6 heat treatment, in particular for structural and chassis components of a motor vehicle, containing 9 to 11.5 wt % silicon, 0.5 to 0.8 wt % manganese, 0.2 to 1.0 wt % magnesium, 0.1 to 1.0 wt % copper, 0.2 to 1.5 wt % zinc, 0.05 to 0.4 wt % zirconium, 0.01 to 0.4 wt % Cr, max. 0.2 wt % iron, max. 0.15 wt % titanium, 0.01 to 0.02 wt % strontium and the remainder as aluminum and production-related impurities with a maximum total of 0.5 wt %.

METHOD FOR MANUFACTURING MOLD FOR MOLDING TIRE AND MOLD FOR MOLDING TIRE

A vent hole of a mold for molding a tire is formed by suppressing bending deformation of a wire in a casting mold. By using a relational expression among a length of a wire in a casting space, a diameter of the wire, a contact angle of the wire with respect to a molten metal, and a bent amount of the wire by casting acquired by experiments, the contact angle of the wire at which the bent amount of the wire is within an allowable range is calculated from conditions of an actual length and the diameter of the wire. On the basis of the calculated contact angle of the wire, the wire is disposed in the casting space. By pouring the molten metal into the casting space, a cast metal with the wire cast-in in the casting space is cast. A vent hole is formed by withdrawing the wire. 1. A method for manufacturing a mold for molding a tire , comprising the steps of:pouring a molten metal into a casting space of a casting mold in which a wire is disposed;casting a cast metal of the mold for molding a tire with the wire cast-in in the casting space; andforming a vent hole by withdrawing the wire from the cast metal;the method further comprising the steps of:calculating a contact angle of the wire at which a bent amount of the wire is within an allowable range from conditions of an actual length and a diameter of the wire by using a relational expression indicating a relation among a length of the wire in the casting space, a diameter of the wire, the contact angle of the wire with respect to the molten metal, and the bent amount of the wire by casting, which is acquired by experiments in advance; anddisposing the wire in the casting space on the basis of the calculated contact angle of the wire.2. The method for manufacturing a mold for molding a tire according to claim 1 , wherein the step of disposing the wire has the step of disposing the wire in the casting space by setting the contact angle of the wire to 90°.3. The method for manufacturing a mold for molding a tire ...

ALUMINUM-ALLOY BRAZING SHEET FIN MATERIAL FOR HEAT EXCHANGER, AND PRODUCTION PROCESS THEREFOR

The aluminium-alloy brazing sheet fin material having a core material and a brazing material. Before heating for brazing, the fin material has an average degree of cladding of 6 to 16% for each surface, a thickness of 40 to 120 μm and an electrical conductivity of 48 to 54% IACS and the core material has a metallographic structure having a distribution in which a Mn-based compound having an equivalent circular diameter of 0.05 to 0.50 μm is present at an average distance between particles of 0.05 to 0.35 μm. After heating for brazing, the fin material has an electrical conductivity of 40 to 44% IACS and the core material has a metallographic structure having a distribution in which a Mn-based compound having an equivalent circular diameter of 0.50 μm or less is present at an average distance between particles of 0.45 μm or less. 1. An aluminum-alloy clad brazing sheet fin material for heat exchangers having a core material and an Al—Si-based alloy brazing material clad on both surfaces of the core material ,wherein the core material comprises an aluminum alloy comprising 0.05 to 0.8 mass % Si, 0.05 to 0.8 mass % Fe, 0.8 to 2.0 mass % Mn and a balance of Al and unavoidable impurities, and the aluminum alloy satisfies a condition of Si content+Fe contentn≦Mn content,the brazing material comprises the Al—Si-based alloy comprising 6.0 to 13.0 mass % Si, 0.05 to 0.8 mass % Fe and a balance of Al and unavoidable impurities,before heating for brazing, the fin material has an average degree of cladding of 6 to 16% for each surface, a thickness of 40 to 120 μm and an electrical conductivity of 48 to 54% IACS and the core material has a metallographic structure having a distribution in which a Mn-based compound having an equivalent circular diameter of 0.05 to 0.50 μm is present at an average distance between particles of 0.05 to 0.35 μm, andafter heating for brazing, the fin material has an electrical conductivity of 40 to 44% IACS and the core material has a metallographic ...

HIGH STRENGTH 6XXX ALUMINUM ALLOYS AND METHODS OF MAKING THE SAME

Provided are new high strength 6xxx aluminum alloys and methods of making aluminum sheets thereof. These aluminum sheets may be used to fabricate components which may replace steel in a variety of applications including the transportation industry. In some examples, the disclosed high strength 6xxx alloys can replace high strength steels with aluminum. In one example, steels having a yield strength below 340 MPa may be replaced with the disclosed 6xxx aluminum alloys without the need for major design modifications. 1. A method of making an aluminum alloy sheet , comprising:casting an 6xxx aluminum alloy;heating the cast 6xxx aluminum alloy to a temperature of 510° C. to 590° C.;maintaining the cast 6xxx aluminum alloy at the temperature of 510° C. to 590° C. for 0.5 to 4 hours;decreasing the temperature to 420° C. to 480° C.;hot rolling the cast 6xxx aluminum alloy into the aluminum alloy sheet, the aluminum alloy sheet having a thickness up to 18 mm at a hot roll exit temperature of 330° C. to 390° C.;heat treating the aluminum alloy sheet at a temperature of 510° C. to 540° C. for 0.5 to 1 hour; andquenching the aluminum alloy sheet to ambient temperature.2. The method of claim 1 , further comprising maintaining the aluminum alloy sheet at 160-240° C. for 0.5 to 6 hours.3. The method of claim 1 , further comprising:cold rolling the aluminum alloy sheet; and,maintaining the aluminum alloy sheet at 200° C. for 0.5 to 6 hours.4. The method of claim 3 , wherein a % cold work (CW) is 10% to 45% claim 3 , 10% to 40% claim 3 , 10% to 35% claim 3 , 10% to 30% claim 3 , 10% to 25% claim 3 , or 10% to 20%.5. The method of claim 1 , wherein the 6xxx aluminum alloy comprises 0.02-0.15 wt. % Cr claim 1 , 0.4-1.0 wt. % Cu claim 1 , 0.10-0.30 wt. % Fe claim 1 , 0.8-2.0 wt. % Mg claim 1 , 0.10-0.30 wt. % Mn claim 1 , 0.8-1.4 wt. % Si claim 1 , 0.005-0.15 wt. % Ti claim 1 , 0.01-3 wt. % Zn claim 1 , and up to 0.15 wt. % impurities claim 1 , remainder aluminum.6. A 6xxx aluminum ...

HIGH-STRENGTH ALUMINUM ALLOY EXTRUDED SHAPE EXHIBITING EXCELLENT CORROSION RESISTANCE, DUCTILITY, AND HARDENABILITY, AND METHOD FOR PRODUCING THE SAME

An Al—Mg—Si-based high-strength aluminum alloy extruded shape exhibits excellent corrosion resistance and ductility, and exhibits excellent hardenability during extrusion (i.e., ensures high productivity). A method for producing the same is also disclosed. The high-strength aluminum alloy extruded shape includes 0.65 to 0.90 mass % of Mg, 0.60 to 0.90 mass % of Si, 0.20 to 0.40 mass % of Cu, 0.20 to 0.40 mass % of Fe, 0.10 to 0.20 mass % of Mn, and 0.005 to 0.1 mass % of Ti, with the balance being Al and unavoidable impurities, the aluminum alloy extruded shape having a stoichiometric MgSi content of 1.0 to 1.3 mass %, an excess Si content relative to stoichiometric MgSi of 0.10 to 0.30 mass %, and a total content of Fe and Mn of 0.35 mass % or more. 1. A high-strength aluminum alloy extruded shape that exhibits excellent corrosion resistance , ductility , and hardenability , the aluminum alloy extruded shape comprising 0.65 to 0.90 mass % of Mg , 0.60 to 0.90 mass % of Si , 0.20 to 0.40 mass % of Cu , 0.20 to 0.40 mass % of Fe , 0.10 to 0.20 mass % of Mn , and 0.005 to 0.1 mass % of Ti , with the balance being Al and unavoidable impurities , the aluminum alloy extruded shape having a stoichiometric MgSi content of 1.0 to 1.3 mass % , an excess Si content relative to stoichiometric MgSi of 0.10 to 0.30 mass % , and a total content of Fe and Mn of 0.35 mass % or more.2. The high-strength aluminum alloy extruded shape as defined in claim 1 , wherein crystal grains of the aluminum alloy extruded shape having an aspect ratio of 4.0 or more have an average crystal grain size of 80 μm or less.3. The high-strength aluminum alloy extruded shape as defined in claim 1 , wherein the aluminum alloy extruded shape has a proof stress of 280 MPa or more.4. The high-strength aluminum alloy extruded shape as defined in claim 1 , wherein the aluminum alloy extruded shape has an impact strength determined by a Charpy impact test of 20 J/cmor more.5. A method for producing a high- ...

Method for Heat-Treating a Component Which Consists of a Metal Material and Comprises at Least One Surface Section Coated with a Glaze or Enamel Coating

A method for heat-treating a component which consists of a metal alloy, in which or on which at least one surface section is coated with a glaze or enamel coating, includes heating the component to a heating temperature which at least equals a minimum quenching temperature, and quenching the component starting from a temperature which at least equals the minimum quenching temperature in order to produce a higher-strength microstructure in the component. The components can be heat-treated such that the glaze or enamel coating is reliably prevented from chipping. The glaze or enamel coating is pre-cooled to a pre-cooling temperature at least on its free surface prior to quenching, said pre-cooling temperature maximally corresponding to the temperature at which the glaze or enamel coating begins to soften, and wherein the cooling rate at which the glaze or enamel coating is cooled is lower than the cooling rate during quenching. 1. A method for heat-treating a component which consists of a metal alloy , in which or on which at least one surface section is coated with a glaze or enamel coating , comprising:heating the component to a heating temperature, which at least equals a minimum quenching temperature, andquenching the component starting from a temperature which at least equals the minimum quenching temperature, in order to produce a higher-strength microstructure in the component,wherein the glaze or enamel coating is pre-cooled to a pre-cooling temperature at least on its free surface prior to quenching, said pre-cooling temperature maximally corresponding to the temperature at which the glaze or enamel coating begins to soften,and wherein the cooling rate at which the glaze or enamel coating is pre-cooled, is lower than the cooling rate achieved during quenching.2. The method according to claim 1 , wherein the glaze or enamel coating is pre-cooled to the pre-cooling temperature by passing a fluid across it.3. The method according to claim 2 , wherein the fluid ...

HIGH ELASTIC ALUMINUM ALLOY AND METHOD FOR PRODUCING THE SAME

Disclosed is an aluminum alloy, including: about 14˜20 wt % of Si; about 2˜7.5 wt % of Ti; about 1˜3 wt % of B; and a balance of Al as a main component, wherein wt % are based on the total weight of the aluminum alloy and wherein a ratio of Ti/B is about 2˜2.5:1. 1. An aluminum alloy , comprising: about 14˜20 wt % of Si; about 2˜7.5 wt % of Ti; about 1˜3 wt % of B; and a balance of Al as a main component , wherein wt % are based on the total weight of the aluminum alloy , and wherein a ratio of Ti/B is about 2˜2.5:1.2. The aluminum alloy of claim 1 , wherein the aluminum alloy is formed by continuous casting.3. The aluminum alloy of claim 1 , wherein the Ti claim 1 , B and Al components comprise aluminum mother alloys of Al-(5˜10 wt %)Ti and Al-(2˜10 wt %)B.4. The aluminum alloy of claim 1 , further comprising: about 2˜7 vol % of CNT.5. The aluminum alloy of claim 4 , wherein the CNT is coated with one or more metal oxides.6. A method of manufacturing the aluminum alloy of claim 4 , comprising the steps of:coating CNT with one or more metal oxides;introducing the CNT into an aluminum molten solution together with inert gas and stirring to form a mixture; andforming the aluminum alloy from the mixture using continuous casting.7. The method of claim 6 , wherein the CNT is coated with one or more metal oxides to a thickness of about 20˜50 nm.8. The method of claim 6 , wherein the stirring is performed at a rotation speed of about 500˜1500 rpm.9. The method of claim 6 , wherein claim 6 , in the step of forming the aluminum alloy claim 6 , the aluminum molten solution is vibrated on a casting table during the continuous casting before it is injected into a mold. This application claims under 35 U.S.C. §119(a) the benefit of Korean Patent Application No. 10-2012-0145787 filed Dec. 13, 2012, the entire contents of which are incorporated herein by reference.1. Technical FieldThe present invention relates to a high elastic aluminum alloy, particularly to such an alloy whose ...

Diecasting alloy based on al-si, comprising particularly secondary aluminum

A diecasting alloy based on Al—Si is made of 6 to 12% by weight of silicon (Si), at least 0.3% by weight of iron (Fe), at least 0.25% by weight of manganese (Mn), at least 0.1% by weight of copper (Cu), 0.24 to 0.8% by weight of magnesium (Mg) and 0.40 to 1.5% by weight of zinc (Zn). The alloy also has 50 to 300 ppm of strontium (Sr) and/or 20 to 250 ppm of sodium (Na) and/or 20 to 350 ppm of antimony (Sb), and at least one of the following constituents: titanium (Ti) to an extent of not more than 0.2% by weight; not more than 0.3% by weight of zirconium; not more than 0.3% by weight of vanadium (V); and as the remainder aluminium and unavoidable impurities resulting from the production. The total content of Fe and Mn in the diecasting alloy together is not more than 1.5% by weight, the quotient of the percentages by weight of Fe and Mn is 0.35 to 1.5, and the quotient of the percentages by weight of Cu and Mg is 0.2 to 0.8.

Enhanced anodization functionality in al-rare earth element-based alloys

A product includes an aluminum alloy having an anodized layer. The alloy has a bulk composition including at least 1 wt. % of one or more rare earth elements (REEs). A product includes microstructures extending across a boundary defined between an anodized layer and an unoxidized alloy. Each microstructure includes an intermetallic phase transitioning to an oxidized intermetallic phase across the boundary. A product includes an anodized layer where up to 90% of a thickness of the layer includes voids resulting at least in part from dissolution of a rare earth element oxidized intermetallic phase. The voids are in a morphology of the dissolved oxidized intermetallic phase.

Aluminum Alloy Combining High Strength, Elongation and Extrudability

An aluminum alloy includes, in weight percent, 0.70-0.85 Si, 0.14-0.25 Fe, 0.25-0.35 Cu, 0.05 max Mn, 0.75-0.90 Mg, 0.12-0.18 Cr, 0.05 max Zn, and 0.04 max Ti, the balance being aluminum and unavoidable impurities. The alloy may be suitable for extruding, and may be formed into an extruded alloy product. 1. An extruded aluminum alloy product formed of an aluminum alloy comprising , in weight percent , 0.70-0.85 Si , 0.14-0.25 Fe , 0.25-0.35 Cu , 0.05 max Mn , 0.75-0.90 Mg , 0.12-0.18 Cr , 0.05 max Zn , and 0.04 max Ti , the balance being aluminum and unavoidable impurities , wherein the extruded aluminum alloy product has a substantially non-recrystallized microstructure.2. The extruded aluminum alloy product of claim 1 , wherein the unavoidable impurities may each be present at a maximum weight percent of 0.05 claim 1 , and the maximum total weight percent of the unavoidable impurities is 0.15.3. The extruded aluminum alloy product of claim 1 , wherein the Mn content is 0.03 max weight percent.4. The extruded aluminum alloy product of claim 1 , wherein less than about 20% of a cross section of the extruded aluminum alloy product has undergone recrystallization over at least a portion of a length of the extruded aluminum alloy product.5. The extruded aluminum alloy product of claim 4 , wherein less than about 10% of the cross section has undergone recrystallization over the at least a portion of the length of the extruded aluminum alloy product.6. The extruded aluminum alloy product of claim 1 , wherein less than about 20% of a cross section of the extruded aluminum alloy product has undergone recrystallization over an entire length of the extruded aluminum alloy product.7. The extruded aluminum alloy product of claim 6 , wherein less than about 10% of the cross section has undergone recrystallization over the entire length of the extruded aluminum alloy product.8. The extruded aluminum alloy product of claim 1 , wherein the extruded aluminum alloy product has a ...

METHOD FOR PRODUCING AN ALUMINUM ALLOY CASTING

A method for manufacturing an aluminum alloy casting includes obtaining the aluminum alloy casting by casting an aluminum alloy into a mold, performing solution heat treatment, rapidly cooling the casting, performing aging treatment, and cooling the casting. The aluminum alloy includes, in terms of mass ratios, 4.0 to 7.0% of Si, 0.5 to 2.0% of Cu, 0.25 to 0.5% of Mg, no more than 0.5% of Fe, and no more than 0.5% of Mn, and at least one component selected from the group consisting of 0.002 to 0.02% of Na, 0.002 to 0.02% of Ca and 0.002 to 0.02% of Sr, a remainder being Al and inevitable impurities. An internal combustion engine cylinder head is composed of the aluminum alloy casting and manufactured by the method of the casting. The aluminum alloy casting is suitable for applications requiring superior elongation, high cycle fatigue strength and high thermal fatigue strength. 1. A method for manufacturing aluminum alloy casting , the method comprising: in terms of mass ratios, 4.0 to 7.0% of Si, 0.5 to 2.0% of Cu, 0.25 to 0.5% of Mg, no more than 0.5% of Fe, and no more than 0.5% of Mn, and', 'at least one component selected from the group consisting of 0.002 to 0.02% of Na, 0.002 to 0.02% of Ca and 0.002 to 0.02% of Sr, a remainder being Al and inevitable impurities,, 'obtaining the aluminum alloy casting by casting an aluminum alloy into a mold, the aluminum alloy comprisingwherein the Mn is present as an intentional addition,performing solution heat treatment such that the aluminum alloy casting is held at a temperature of 500 to 550 degrees Celsius for 2.0 to 8.0 hours,after performing solution heat treatment, rapidly cooling the aluminum alloy casting,performing aging treatment such that the aluminum alloy casting is held at a temperature of 190 to 250 degrees Celsius for 2.0 to 6.0 hours, andafter performing aging treatment, cooling the aluminum alloy casting.2. A method for manufacturing an aluminum alloy casting , comprising: 'in terms of mass ratios, 4.0 ...

PROCESS FOR WARM FORMING A HARDENED ALUMINUM ALLOY

Described are processes for shaping a hardened heat treatable, age-hardenable aluminum alloys, such as hardened 2XXX, 6XXX and 7XXX aluminum alloys, or articles made from such alloys, including aluminum alloy sheets. The processes involve heating the article, which may be in a form of a sheet or a blank, before and/or concurrently with a forming step. In some examples, the alloy is heated to a specified temperature in the range of 125-425° C. at a specified heating rate within the range of about 3-200° C./s, for example, 3-90° C./s or 90-150° C./s. Such a combination of the temperature and the heating rate can result in an advantageous combination of article properties. 1. A process of shaping an article made from a hardened age-hardenable , heat treatable aluminum alloy , comprising:heating the article to a temperature of about 125° C. to about 425° C. at a rate between about 3° C./s to about 200° C./s; andshaping the article.2. The process of claim 1 , wherein the article is a sheet or a blank.3. The process of claim 1 , wherein the hardened age-hardenable claim 1 , heat treatable aluminum alloy is a 2XXX claim 1 , a 6XXX or a 7XXX series alloy.4. The process of claim 1 , wherein the article is heated to a temperature of about 150° C. to about 200° C.5. The process of claim 1 , wherein the article is heated at a rate between about 90° C./s to about 150° C./s.6. The process of claim 1 , wherein the article is heated at a rate between about 3° C./s to about 90° C./s.7. The process of claim 1 , wherein the article is in T6 or T61 temper before the heating step.8. The process of claim 1 , wherein the article is in T6 or T61 temper before and after the heating step.9. The process of claim 1 , further comprising a step of cooling the shaped article.10. The process of claim 9 , wherein the shaping step is a first shaping step and further comprising a second shaping step after the cooling step.11. The process of claim 10 , wherein elongation of the article resulting from ...

Method for manufacturing AlMgSi aluminium strip

The invention relates to a method for producing a strip made of an AlMgSi alloy, in which a rolling ingot made of an AlMgSi alloy is cast, the rolling ingot is subjected to homogenization, the rolling ingot having been brought to rolling temperature is hot-rolled and is optionally cold-rolled to the final thickness thereafter. The problem of providing an improved method for producing aluminum strip made of an AlMgSi alloy, with which AlMgSi strips having very good shaping behaviour can be produced reliably, is solved in that immediately after exit from the final rolling pass, the hot strip has a temperature of between more than 130° C., preferably 135° C., and at most 250° C., preferably at most 230° C., and the hot strip is wound up at this temperature. 1. A method for manufacturing a strip from an AlMgSi alloy , comprising casting a rolling ingot from an AlMgSi alloy , wherein the rolling ingot undergoes homogenization , the rolling ingot which has been brought to a rolling temperature is hot rolled then optionally cold rolled to final thickness , and the finished rolled strip is solution annealed and quenched , wherein immediately after being discharged from the last hot rolling pass , the hot strip is at a temperature of more than 130° C. to 250° C. , preferably to 230° C. , and the hot strip is coiled at this temperature.2. The method as claimed in claim 1 , wherein the hot strip is quenched to the outlet temperature using at least one plate cooler and the hot rolling pass itself claim 1 , loaded with emulsion.3. The method as claimed in claim 1 , wherein prior to the start of the cooling process claim 1 , the temperature of the hot strip is more than 400° C.4. The method as claimed in claim 1 , wherein the temperature of the hot strip after the penultimate roiling pass is more than 250° C.5. The method as claimed in claim 1 , wherein the temperature of the hot strip after the last rolling pass prior to coiling is 200° C. to 230° C.6. The method as claimed in ...

BONDED BODY, SUBSTRATE FOR POWER MODULE WITH HEAT SINK, HEAT SINK, METHOD FOR PRODUCING BONDED BODY, METHOD FOR PRODUCING SUBSTRATE FOR POWER MODULE WITH HEAT SINK, AND METHOD FOR PRODUCING HEAT SINK

A bonded body is provided that is formed by bonding a metal member formed from copper, nickel, or silver, and an aluminum alloy member formed from an aluminum alloy of which a solidus temperature is lower than a eutectic temperature of aluminum and a metal element that constitutes the metal member. The aluminum alloy member and the metal member are subjected to solid-phase diffusion bonding. A chill layer, in which a Si phase of which an aspect ratio of a crystal grain is 2.5 or less and a crystal grain diameter is 15 μm or less is dispersed, is formed on a bonding interface side with the metal member in the aluminum alloy member. The thickness of the chill layer is set to 50 μm or greater. 1. A bonded body that is formed by bonding a metal member formed from copper , nickel , or silver , and an aluminum alloy member formed from an aluminum alloy of which a solidus temperature is lower than a eutectic temperature of aluminum and a metal element that constitutes the metal member ,wherein the aluminum alloy member and the metal member are subjected to solid-phase diffusion bonding,a chill layer, in which a Si phase of which an aspect ratio of a crystal grain is 2.5 or less and a crystal grain diameter is 15 μm or less is dispersed, is formed on a bonding interface side with the metal member in the aluminum alloy member, andthe thickness of the chill layer is 50 μm or greater.2. A power module substrate with heat sink , comprising:an insulating layer;a circuit layer that is formed on one surface of the insulating layer;a metal layer that is formed on the other surface of the insulating layer; anda heat sink that is disposed on a surface, which is opposite to the insulating layer, of the metal layer,wherein in the metal layer, a bonding surface with the heat sink is constituted by copper, nickel, or silver,in the heat sink, a bonding surface with the metal layer is constituted by an aluminum alloy of which a solidus temperature is lower than a eutectic temperature of ...

LIGHTWEIGHT, CRASH-SENSITIVE AUTOMOTIVE COMPONENT

The present invention provides a casting having increased crashworthiness including an an aluminum alloy of about 6.0 wt % to about 8.0 wt % Si; about 0.12 wt % to about 0.25 wt % Mg; less than or equal to about 0.35 wt % Cu; less than or equal to about 4.0 wt % Zn; less than or equal to about 0.6 wt % Mn; and less than or equal to about 0.15 wt % Fe, wherein the cast body is treated to a T5 or T6 temper and has a tensile strength ranging from 100 MPa to 180 MPa and has a critical fracture strain greater than 10%. The present invention further provides a method of forming a casting having increased crashworthiness. 1. A method of casting an aluminum alloy into a crash-sensitive automotive component having a desired critical fracture strain for collision impact , the method comprising:selecting a crash-sensitive automotive component to cast; about 6.0 wt % to about 7.8 wt % Si;', 'about 0.10 wt % to about 0.18 wt % Mg;', 'less than or equal to about 0.35 wt % Cu;', 'less than or equal to about 0.6 wt % Mn;', 'less than or equal to about 0.15 wt % Fe;', 'and, a balance of aluminum and impurities;, 'providing a melt having an alloy comprisingcasting the melt into a cast body of the crash-sensitive automotive component; and,heat treating the cast body, the treating including a solution heating at 450° C. to 550° C. for about ½ hour to about 6 hours; quenching, and aging at a temperature of about 105° C. to about 250° C. for about ½ hour to about 10 hours;wherein, the crash-sensitive automotive component has a critical fracture strain of at least about 10%.2. The method of claim 1 , wherein the heat treating comprises processing to a T6 temper.3. The method of claim 1 , wherein the processing comprises a solution heat treatment of the crash-sensitive automotive component at 450° C. to 550° C. for a time period ranging from approximately a ½ hour to approximately 6 hours claim 1 , quenching claim 1 , and aging; the processing creating a tensile yield strength in the cast ...

HIGH STRENGTH ALUMINUM ALLOYS FOR LOW PRESSURE DIE CASTING AND GRAVITY CASTING

Methods of casting lightweight, high-strength aluminum cast structural components are provided wherein the casting is accomplished by low-pressure die casting or gravity casting. The aluminum cast structural component is preferably composed of an aluminum-based alloy comprising silicon at ≥about 4 to ≥about 7 wt. %; iron at ≥about 0.15 wt. %; manganese at ≥about 0.5 wt. %; chromium at ≥about 0.15 to ≥about 0.5 wt. %; magnesium at ≥about 0.8 wt. %; zinc at ≥about 0.01 wt. %; titanium at ≥about 0.05 to ≥about 0.15 wt. %; phosphorus at ≥about 0.003 wt. %; strontium at ≥about 0.015 wt. % and a balance of aluminum. 1. A method of forming a lightweight , high-strength cast structural component comprising:casting an aluminum-based alloy comprising silicon at greater than or equal to about 4 to less than or equal to about 7 wt. %; iron at less than or equal to about 0.15 wt. %; manganese at less than or equal to about 0.5 wt. %; chromium at greater than or equal to about 0.15 to less than or equal to about 0.5 wt. %; magnesium at less than or equal to about 0.8 wt. %; zinc at less than or equal to about 0.01 wt. %; titanium at greater than or equal to about 0.05 to less than or equal to about 0.15 wt. %; phosphorus at less than or equal to about 0.003 wt. %; strontium at less than or equal to about 0.015 wt. %; and a balance of aluminum to form the lightweight, high-strength cast structural component.2. The method of claim 1 , wherein the lightweight claim 1 , high-strength cast structural component has a yield strength of greater than or equal to about 270 MPa.3. The method of claim 1 , wherein the lightweight claim 1 , high-strength cast structural component has an elongation of greater than or equal to about 7%.4. The method of claim 1 , wherein the lightweight claim 1 , high-strength cast structural component has an elongation of greater than or equal to about 9%.5. The method of claim 1 , wherein the casting is a low-pressure die casting process.6. The method of claim ...

Aluminium alloy for laser welding without filler wire

The invention relates to a process for laser welding monolithic semi-finished products made of aluminium alloy without filler wire, known to a person skilled in the art under the name “Remote Laser Welding” comprising the following steps:—supplying at least two semi-finished products made of aluminium alloy, at least one of which is a laminated plate with the composition (% by weight): Si: 2.5-14; Fe: 0.05-0.8; Cu: 0.25-1.0; Mg: 0.05-0.8; Mn: ≤0.70; Cr: ≤0.35; Ti: 0.02-0.30; Sr up to 500 ppm; Na up to 200 ppm; Sb up to 0.15%, unavoidable impurities <0.05 each and <0.15 in total, remainder aluminium,—laser welding the semi-finished products made of aluminium alloy without filler wire, which process is known to a person skilled in the art under the name “Remote Laser Welding”. The invention also includes a structural, body-in-white, skin or opening component of a motor vehicle obtained by a process according to the invention.

Die Casting Alloy

A die casting alloy on an aluminum-silicon base with a composition having 8.5 to 11.5 wt. % of silicon, 0.1 to 0.5 wt. % of magnesium, 0.3 to 0.8 wt. % of manganese, 0.02 to 0.5 wt. % of iron, 0.005 to 0.5 wt. % of zinc, 0.1 to 0.5 wt. % of copper, 0.02 to 0.3 wt. % of molybdenum, 0.02 to 0.3 wt. % of zirconium, 10 to 200 ppm of gallium and optionally at least one of 30 to 300 ppm of strontium, 5 to 30 ppm of sodium, 1 to 30 ppm of calcium, 5 to 250 ppm of phosphorus, 0.02 to 0.25 wt. % of titanium, and 3 to 50 ppm of boron with the remainder being aluminium and unavoidable impurities. The alloy can be produced with a recycling rate of 50%. 1. A die-cast alloy , based on aluminum-silicon , comprising:8.5 to 11.5% by weight silicon0.1 to 0.5% by weight magnesium0.3 to 0.8% by weight manganese0.02-0.5% by weight iron0.005-0.5% by weight zinc0.1 to 0.5% by weight copper0.02 to 0.3% by weight molybdenum0.02 to 0.3% by weight zirconium10 to 200 ppm gallium andoptionally at least one element selected from the group consisting of30 to 300 ppm strontium, 5 to 30 ppm sodium, 1 to 30 ppm calcium, 5 to 250 ppm phosphorus, 0.02 to 0.25% by weight titanium, and 3 to 50 ppm boron,with the remainder being aluminium and unavoidable impurities.2. The die-cast alloy according to claim 1 , wherein iron is 0.15-0.5% by weight.3. The die-cast alloy according to claim 1 , wherein molybdenum is 0.05 to 0.20% by weight.4. The die-cast alloy according to claim 1 , wherein zirconium is 0.05 to 0.20% by weight.5. The die-cast alloy according to claim 1 , wherein gallium is 60 to 120 ppm.6. The die-cast alloy according to claim 1 , wherein manganese is 0.3 to 0.5% by weight.7. The die-cast alloy according to claim 1 , wherein zinc is 0.2 to 0.4% by weight.8. The die-cast alloy according to claim 1 , wherein copper is 0.15 to 0.25% by weight.9. The die-cast alloy according to claim 1 , wherein silicon is 8.5 to 10.0% by weight.10. The die-cast alloy according to claim 1 , wherein magnesium is 0 ...

High-strength, highly formable aluminum alloys and methods of making the same

Described herein are high-strength, highly formable aluminum alloys and methods of making and processing such alloys. The aluminum alloys described herein contain transition metal alloying elements to provide high strength and high formability. The processing method includes multi-stage homogenization, hot and cold rolling, and solutionization steps. Also described are methods of using the aluminum alloys.

Aluminum alloy material, and conductive member, battery member, fastening component, spring component, and structural component including the aluminum alloy material

An aluminum alloy material has an alloy composition consisting of 0.2 to 1.8% by mass of Mg, 0.2 to 2.0% by mass of Si, 0.01 to 1.50% by mass of Fe, with the balance containing Al and inevitable impurities. The aluminum alloy material has a fibriform metallographic structure where crystal grains extend so as to be aligned in one direction. In a cross section parallel to the one direction, an average value of a size perpendicular to a longitudinal direction of the crystal grains is 270 nm or less.

ALUMINUM ALLOY FOR ENGINE PISTON OF AUTOMOBILE AND METHOD FOR PRODUCING THE SAME

An aluminum alloy for an engine piston of an automobile may be composed of Ti, B, Cu and the balance of Al and may include a TiBphase as a reinforcing phase. A composition weight ratio of Ti:B:Cu is 0.5 to 2.5:1:1 to 1.3. The aluminum alloy may have excellent elasticity, thermal properties, and formability by maximizing a generation of a TiBreinforcing phase. 1. An aluminum alloy for an engine piston of an automobile , comprising Ti , B , Cu and a balance of Al and including a TiBphase as a reinforcing phase , wherein a composition weight ratio of Ti:B:Cu is 0.5 to 2.5:1:1 to 1.3.2. The aluminum alloy of claim 1 , further comprising Si claim 1 ,wherein Si is 11 to 14 wt % of the aluminum alloy, Ti is less than 2.5 wt % (except for 0) of the aluminum alloy, B is less than 1.5 wt % (except for 0) of the aluminum alloy, and Cu is 0.5 to 1.5 wt % of the aluminum alloy.3. The aluminum alloy of claim 1 , further comprising Mn claim 1 ,wherein Mn is 1 to 1.5 wt % of the aluminum alloy, Ti is less than 2.5 wt % (except for 0) of the aluminum alloy, B is less than 1.5 wt % (except for 0) of the aluminum alloy, and Cu is 0.5 to 1.5 wt % of the aluminum alloy.4. A method for producing an aluminum alloy claim 1 , comprising steps of:charging Al—Ti master alloy, Al—B master alloy or 75 wt % of Al salt compound in Al molten metal which is received in a melting furnace, in which Ti is less than 2.5 wt % (except for 0) of the aluminum alloy, B is less than 1.5 wt % (except for 0) of the aluminum alloy, Cu is 0.5 to 1.5 wt % of the aluminum alloy, and the composition weight ratio of Ti:B:Cu is set to satisfy 0.5 to 2.5:1:1 to 1.3; and{'sub': '2', 'agitating the molten metal using an agitator so as to generate and disperse a TiBphase which is a reinforcing phase by a spontaneous reaction.'}5. The method of claim 4 , wherein a length of the agitator is set to be 0.4 times or more than a diameter of the melting furnace claim 4 , andin the step of agitating, the molten metal is agitated ...

HYDROGEN STORAGE MATERIAL, HYDROGEN STORAGE CONTAINER, AND HYDROGEN SUPPLY APPARATUS

A low-cost hydrogen storage material has hydrogen absorption (storage) and desorption properties suitable for hydrogen storage. A hydrogen storage container including the hydrogen storage material and a hydrogen supply apparatus including the hydrogen storage container are disclosed. The hydrogen storage material includes an alloy having a specific elemental composition represented by Formula (1), in which, in a 1000×COMP image of a cross section of the alloy obtained by EPMA, a plurality of phases enriched with R are present, the phases having phase diameters of 0.1 μm or more and 10 μm or less, and 100 or more sets of combinations of two phases in the phases are present in a visual field of 85 μm×120 μm in the COMP image, the shortest separation distance between the two phases being 0.5 to 20 μm. 1. A hydrogen storage material comprising:an alloy having an elemental composition represented by the following Formula (1), [{'br': None, '[Chem. 1]'}, {'br': None, 'sub': (1-a-b)', 'a', 'b', 'c', 'd', 'e', 'f, 'TiRM1FeMnM2C\u2003\u2003(1)'}], 'wherein, in a 1000×COMP image of a cross section of the alloy obtained by EPMA, a plurality of phases enriched with R are present, the phases having phase diameters of 0.1 μm or more and 10 μm or less, and 100 or more sets of combinations of two phases in the phases are present in a visual field of 85 μm×120 μm in the COMP image, the shortest separation distance between the two phases being 0.5 to 20 μm,'}where R is at least one selected from the rare earth elements and contains Ce as an essential element, M1 is at least one selected from the group consisting of the group 4 elements and the group 5 elements in the periodic table, and M2 is at least one selected from the transition metal elements (excluding M1, Ti, Fe, and Mn), Al, B, Ga, Si, and Sn, where the rare earth elements include Sc and Y, and a satisfies 0.003≤a≤0.15, b satisfies 0≤b≤0.20, c satisfies 0.40≤c≤1.15, d satisfies 0.05≤d≤0.40, e satisfies 0≤e≤0.20, f satisfies ...

Aluminum Alloys Having Improved Tensile Properties

The present disclosure provides Al—Si—Mg aluminum alloys comprising a deliberate addition of Mn between 0.05-0.40 weight percent to increase at least one tensile property (such as the yield strength) of an aluminum product comprising such alloy. The Al—Si—Mg alloy comprises, in weight percent, 5-9% Si, 0.35-0.75% Mg, 0.05-0.4% Mn, less than 0.15% Fe, up to 0.15% Ti, 0.005-0.03% Sr and the balance being aluminum and unavoidable impurities, wherein the unavoidable impurities may be present in an amount of up to 0.05% each and up to 0.15% total. The present disclosure provides a foundry ingot comprising the above Al—Si—Mg aluminum alloy, a process for making the above Al—Si—Mg aluminum alloy and an aluminum alloy obtainable by said process. 1. An aluminum alloy comprising , in weight percent:between about 5 and about 9 of Si;between about 0.35 and about 0.75 of Mg;between higher than about 0.05 and equal to and lower than about 0.4 of Mn;lower than about 0.15 of Fe;up to about 0.15 of Ti;between about 0.005 to about 0.03 of Sr; andthe balance being aluminum and unavoidable impurities, wherein the unavoidable impurities may be present in an amount of up to 0.05 each and up to 0.15 total.2. The aluminum alloy of claim 1 , wherein the weight percent of Si is between about 6 and about 8.3. The aluminum alloy of claim 1 , wherein the weight percent of Mg is between about 0.45 and about 0.60.4. The aluminum alloy of claim 1 , wherein the weight percent of Mn is between 0.15 and about 0.30.5. The aluminum alloy of claim 1 , wherein the weight percent of Fe is lower than about 0.12.6. The aluminum alloy of claim 1 , wherein the weight percent of Fe is at least about 0.1.7. The aluminum alloy of claim 1 , wherein the weight percent of Ti is at least about 0.06.8. . The aluminum alloy of claim 1 , wherein the weight percent of Sr is between about 0.005 and about 0.02.9. The aluminum alloy of claim 1 , further comprising La at a weight percent equal to or lower than about 0.2.10. ...

AGE-HARDENABLE ALUMINUM ALLOY AND METHOD FOR IMPROVING THE ABILITY OF A SEMI-FINISHED OR FINISHED PRODUCT TO AGE ARTIFICIALLY

An age-hardenable aluminum alloy on the basis of Al—Mg—Si, Al—Zn, Al—Zn—Mg or Al—Si—Mgv has precipitates caused by natural aging. The aluminum alloy has at least one alloy element, in addition to its main alloy element or in addition to its main alloy elements, which can be correlated with quenched-in empty spaces of the aluminum alloy, particularly reducing their mobility in the crystal lattice, at such a content less than 500, particularly less than 200 atomic ppm, that the aluminum alloy forms empty spaces essentially not correlated with these precipitates, in order to reduce the negative effect of natural aging of the aluminum alloy on its further artificial aging, by mobilization of these non-correlated empty spaces. 134. An age-hardenable aluminum alloy on the basis of Al—Mg—Si , Al—Zn , Al—Zn—Mg or Al—Si—Mg , wherein the aluminum alloy has precipitates caused by natural aging , wherein the aluminum alloy has at least one alloy element , in addition to its main alloy element or in addition to its main alloy elements , which can be correlated with quenched-in empty spaces of the aluminum alloy , particularly reducing their mobility in the crystal lattice , at such a content less than 500 , particularly less than 200 atomic ppm , that the aluminum alloy forms empty spaces essentially not correlated with these precipitates , in order to reduce the negative effect of natural aging () of the aluminum alloy on its further artificial aging () , by means of mobilization of these non-correlated empty spaces.2. The aluminum alloy according to claim 1 , wherein the aluminum alloy on the basis of Al—Mg—Si or Al—Si—Mg has empty spaces essentially not correlated with Mg/Si co-clusters claim 1 , as a function of artificial aging.3. The aluminum alloy according to claim 1 , wherein the aluminum alloy has Sn claim 1 , Cd claim 1 , Sb and/or In as an alloy element or as alloy elements.4. The aluminum alloy according to claim 1 , wherein the alloy element in the aluminum alloy ...

ALUMINUM ALLOY BRAZING SHEET

An aluminum alloy brazing sheet makes it possible to inexpensively braze aluminum in a nitrogen gas furnace without using flux and a toxic element. The aluminum alloy brazing sheet is used for brazing aluminum in an inert gas atmosphere without using flux, and includes a core material and a filler metal, one side or each side of the core material being clad with the filler metal, the core material being formed of an aluminum alloy that includes 0.2 to 1.3 mass % of Mg, and the filler metal including 6 to 13 mass % of Si and 0.004 to 0.1 mass % of Li, with the balance being aluminum and unavoidable impurities. 1. An aluminum alloy brazing sheet for brazing aluminum in an inert gas atmosphere without using flux , the brazing sheet comprising a core material and a filler metal , one side or each side of the core material being clad with the filler metal , the core material being formed of an aluminum alloy that includes 0.2 to 1.3 mass % of Mg , with the balance being aluminum and unavoidable impurities and the filler metal including 6 to 13 mass % of Si and 0.004 to 0.1 mass % of Li , with the balance being aluminum and unavoidable impurities.2. The aluminum alloy brazing sheet according to claim 1 , wherein the aluminum alloy that forms the core material includes 0.2 to 1.3 mass % of Mg claim 1 , and further includes one claim 1 , or two or more of 0.05 to 1.8 mass % of Mn claim 1 , 1.0 mass % or less of Si claim 1 , 1.0 mass % or less of Fe claim 1 , 0.9 mass % or less of Cu claim 1 , 6.5 mass % or less of Zn claim 1 , 0.2 mass % or less of Ti claim 1 , and 0.5 mass % or less of Zr claim 1 , with the balance being aluminum and unavoidable impurities.3. The aluminum alloy brazing sheet according to claim 1 , wherein the filler metal further includes one or more of 0.004 to 0.2 mass % of Bi claim 1 , 0.05 to 0.4 mass % of Mg claim 1 , 0.002 to 0.05 mass % of Sr and 0.003 to 0.07 mass % of Sb claim 1 , 0.05 to 0.8 mass % of Fe claim 1 , 0.05 to 0.2 mass % of Mn claim 1 ...

Method for manufacturing AlMgSi aluminium strip

The invention relates to a method for producing a strip made of an AlMgSi alloy, in which a rolling ingot made of an AlMgSi alloy is cast, the rolling ingot is subjected to homogenization, the rolling ingot having been brought to rolling temperature is hot-rolled and is optionally cold-rolled to the final thickness thereafter. The problem of providing an improved method for producing aluminum strip made of an AlMgSi alloy, with which AlMgSi strips having very good shaping behaviour can be produced reliably, is solved in that immediately after exit from the final rolling pass, the hot strip has a temperature of between more than 130° C., preferably 135° C., and at most 250° C., preferably at most 230° C., and the hot strip is wound up at this temperature. 1. A method for manufacturing a strip from an AlMgSi alloy , comprising casting a rolling ingot from an AlMgSi alloy , wherein the rolling ingot undergoes homogenization , the rolling ingot which has been brought to a rolling temperature is hot rolled then optionally cold rolled to final thickness , and the finished rolled strip is solution annealed and quenched , wherein immediately after being discharged from the last hot rolling pass , the hot strip is at a temperature of more than 130° C. to 250° C. , preferably to 230° C. , and the hot strip is coiled at this temperature.2. The method as claimed in claim 1 , wherein the hot strip is quenched to the outlet temperature using at least one plate cooler and the hot rolling pass itself claim 1 , loaded with emulsion.3. The method as claimed in claim 1 , wherein prior to the start of the cooling process claim 1 , the temperature of the hot strip is more than 400° C.4. The method as claimed in claim 1 , wherein the temperature of the hot strip after the penultimate rolling pass is more than 250° C.5. The method as claimed in claim 1 , wherein the temperature of the hot strip after the last rolling pass prior to coiling is 200° C. to 230° C.6. The method as claimed in ...

ALUMINUM ALLOY SHEET FOR BLOW MOLDING AND PRODUCTION METHOD THEREFOR

Provided is an aluminum alloy plate for blow molding comprising: 0.3% by mass or more and 1.8% by mass or less of Mg; 0.6% by mass or more and 1.6% by mass or less of Si; and 0.2% by mass or more and 1.2% by mass or less of Mn; wherein, in at least one surface of the aluminum alloy plate for blow molding, X and Y satisfy the following relations: 0.10≦X, and, Y≦−8.0X+10.8; wherein X represents the ratio of regions whose valley depth in a roughness curve is 0.3 μm or more; and Y represents the yield stress upon deformation of the aluminum alloy plate for blow molding under predetermined conditions. 1. An aluminum alloy plate for blow molding , the alloy comprising:0.3% by mass or more and 1.8% by mass or less of Mg;0.6% by mass or more and 1.6% by mass or less of Si; and wherein, in at least one surface of the aluminum alloy plate for blow molding,', 'X and Y satisfy the following relations: 0.10≦X, and, Y≧−8.0X+10.8;, '0.2% by mass or more and 1.2% by mass or less of Mn;'} X represents the ratio of regions whose valley depth in a roughness curve is 0.3 μm or more; and', 'Y represents the yield stress upon deformation of the aluminum alloy plate for blow molding under predetermined conditions., 'wherein'}2. The aluminum alloy plate for blow molding according to claim 1 , further comprising 0.05% by mass or more and 0.3% by mass or less of Cr.3. The aluminum alloy plate for blow molding according to claim 1 , further comprising 0.1% by mass or more and 0.4% by mass or less of Cu.4. The aluminum alloy plate for blow molding according to any one of claim 1 ,wherein X satisfies the relation: 0.10≦X in one surface of the aluminum alloy plate for blow molding; and wherein X satisfies the relation: 0≦X≦0.10 in the other surface of the aluminum alloy plate for blow molding.5. The aluminum alloy plate for blow molding according to any one of claim 1 , wherein the balance consists essentially of aluminum and unavoidable impurities.6. A method for producing an aluminum alloy ...

Steel Sheet Coated with a Metallic Coating based on Aluminum

A steel sheet with a metallic coating is provided. A composition of the metallic coating includes from 2.0 to 24.0% by weight of zinc, from 7.1 to 12.0% by weight of silicon, optionally from 1.1 to 8.0% by weight of magnesium, and optionally additional elements chosen from Pb, Ni, Zr, or Hf. The content by weight of each additional element is less than 0.3%. A balance of the composition is aluminum, unavoidable impurities and residual elements. A ratio Al/Zn is from 4.0 to 6.0. 1. A part comprising:a steel sheet coated with a metallic coating, the metallic coating comprising 2.0 to 24.0% by weight of zinc, 7.1 to 12.0% by weight of silicon, optionally additional elements chosen from Pb, Ni, Zr or Hf, a content by weight of each additional element being less than 0.3% by weight; a balance being aluminum, unavoidable impurities and residual elements, but not comprising In and not comprising Sn, with a weight ratio of Al/Zn being greater than 2.9;the coated steel sheet formed into a part by hot-forming; anda microstructure of the part being mostly martensitic, martensito-bainitic or comprising at least 75% equiaxed ferrite, from 5 to 20% martensite and 10% or less bainite.2. The part according to claim 1 , wherein the part is formed by hot-forming and cold-stamping.3. The part according to claim 1 , wherein the part has a variable thickness.4. The part according to claim 3 , wherein the variable thickness is produced by a continuous flexible rolling process.5. The part according to claim 1 , wherein the formed part is a tailored rolled blank.6. The part according to claim 1 , wherein the part is a front rail claim 1 , a seat cross member claim 1 , a side sill member claim 1 , a dash panel cross member claim 1 , a front floor reinforcement claim 1 , a rear floor cross member claim 1 , a rear rail claim 1 , a B-pillar claim 1 , a door ring or a shotgun.7. The part according to claim 1 , wherein the part is mostly martensitic.8. The part according to claim 1 , wherein the ...

Aluminum casting alloy

An Al casting alloy contains at least five of the following alloying components: Si: 6.0 to 8.5 wt %; Mg: 0.3 to 0.8 wt %; Cr: 0.05 to 0.35 wt %; Fe: 0.05 to 0.25 wt %; Mn: 0.1 to 0.8 wt %; Cu: 0.05 to 0.50 wt %; Sr: 0.005 to 0.030 wt %; Zr≤0.15 wt %; Zn: ≤0.15 wt %; admixtures (total): <0.2 wt %; in each case made up to 100 wt % with Al.

ALUMINUM ALLOY MATERIAL FOR MONOLAYER HEAT-JOINING WITH EXCELLENT DEFORMATION RESISTANCE

To provide an aluminum alloy material having a heat-joining function in monolayer, in which a decrease in deformation resistance caused by working before brazing is suppressed. The present invention is an aluminum alloy material including Si: 1.5 mass % to 5.0 mass %, Mn: 0.05 mass % to 2.0 mass %, Fe: 0.01 mass % to 2.0 mass %, and balance: Al and inevitable impurities and having a heat-joining function in monolayer. The aluminum alloy material has a fibrous structure, the number density of second phase particles including an Si-based compound or an AlMnFeSi-based compound and having an equivalent circle diameter of 5.0 μm to 10.0 μm is 1,000/mmor less, the work hardening exponent n between two points from a nominal strain that is 0.9 times the nominal strain at maximum load to the nominal strain at maximum load is 0.03 or more, and the local elongation is 1% or more. 1. An aluminum alloy material comprising Si: 1.5 mass % to 5.0 mass % , Mn: 0.05 mass % to 2.0 mass % , Fe: 0.01 mass % to 2.0 mass % , and balance: Al and inevitable impurities and having a heat-joining function in monolayer , whereinthe aluminum alloy material has a fibrous structure,{'sup': '2', 'the number density of second phase particles including an Si-based compound or an AlMnFeSi-based compound and having an equivalent circle diameter of 5.0 μm to 10.0 μm is 1,000/mmor less,'}the work hardening exponent n between two points from a nominal strain that is 0.9 times the nominal strain at maximum load to the nominal strain at maximum load is 0.03 or more, andthe local elongation is 1% or more.2. The aluminum alloy material having a heat-joining function in monolayer according to claim 1 , further comprising at least one of the following elements:Zn: 0.05 to 6.0%Mg: 0.05 to 2.0%Cu: 0.05 to 1.5%Ni: 0.05 to 2.0%Cr: 0.05 to 0.3%Zr: 0.05 to 0.3%Ti: 0.05 to 0.3%V: 0.05 to 0.3%.3. The aluminum alloy material having a heat-joining function in monolayer according to claim 1 , further comprising at least ...

High-strength structural elements using metal foam for portable information handling systems

Methods for manufacturing a metal foam and a metal foam reinforced back plate may be used to provide high-strength and low weight structural elements in portable information handling systems. A method for manufacturing a metal foam may include selectively adding iridium oxide and ceramic particulate to a light-metal allow to create desired mechanical properties of the metal foam.

ADDITIVE MANUFACTURING OF METAL ALLOYS AND METAL ALLOY MATRIX COMPOSITES

An additive manufacturing method of producing a metal alloy article may involve: Providing a supply of a metal alloy in powder form; providing a supply of a nucleant material, the nucleant material lowering the nucleation energy required to crystallize the metal alloy; blending the supply of metal alloy powder and nucleant material to form a blended mixture; forming the blended mixture into a first layer; subjecting at least a portion of the first layer to energy sufficient to raise the temperature of the first layer to at least the liquidus temperature of the metal alloy; allowing at least a portion of the first layer to cool to a temperature sufficient to allow the metal alloy to recrystallize; forming a second layer of the blended mixture on the first layer; and repeating the subjecting and allowing steps on the second layer to form an additional portion of the metal alloy article. 1. A method of producing an aluminum article , comprising:providing a supply of an aluminum alloy in powder form;providing a supply of a nucleant material, said nucleant material lowering the nucleation energy required to crystallize said aluminum alloy;blending said supply of aluminum alloy powder and said nucleant material to form a blended mixture;forming said blended mixture into a first layer;subjecting at least a portion of said first layer to energy sufficient to raise the temperature of at least a portion of said first layer to at least the liquidus temperature of said aluminum alloy;allowing at least a portion of said first layer to cool to a temperature sufficient to allow said aluminum alloy to recrystallize;forming a second layer of said blended mixture on said first layer; andrepeating said subjecting and allowing steps on said second layer to form an additional portion of said article.2. The method of claim 1 , wherein said nucleant material comprises one or more selected from the group consisting of a nucleant and a nucleant precursor.3. The method of claim 1 , wherein ...

CAST PART

The invention relates to a cast part.

ALUMINUM ALLOY COMPONENTS FROM ADDITIVE MANUFACTURING

Some variations provide an additively manufactured aluminum alloy comprising from 84.5 wt % to 92.1 wt % aluminum; from 1.1 wt % to 2.1 wt % copper; from 1.8 wt % to 2.9 wt % magnesium; from 4.5 wt % to 6.1 wt % zinc; and from 0.5 wt % to 2.8 wt % zirconium. The additively manufactured aluminum alloy is in the form of a three-dimensional component. The zirconium functions as a grain-refiner element within the additively manufactured aluminum alloy. The additively manufactured aluminum alloy may be characterized by an average grain size of less than 10 microns. The additively manufactured aluminum alloy may have a substantially crack-free microstructure with equiaxed grains. 1. An additively manufactured aluminum alloy comprising:from 84.5 wt % to 92.1 wt % aluminum;from 1.1 wt % to 2.1 wt % copper;from 1.8 wt % to 2.9 wt % magnesium;from 4.5 wt % to 6.1 wt % zinc; andfrom 0.5 wt % to 2.8 wt % zirconium.2. The additively manufactured aluminum alloy of claim 1 , wherein said additively manufactured aluminum alloy is in the form of a three-dimensional component.3. The additively manufactured aluminum alloy of claim 1 , wherein said additively manufactured aluminum alloy comprises from 0.005 wt % to 0.4 wt % silicon.4. The additively manufactured aluminum alloy of claim 1 , wherein said additively manufactured aluminum alloy comprises from 0.005 wt % to 0.4 wt % iron.5. The additively manufactured aluminum alloy of claim 1 , wherein said additively manufactured aluminum alloy comprises from 0.005 wt % to 0.3 wt % manganese.6. The additively manufactured aluminum alloy of claim 1 , wherein said additively manufactured aluminum alloy comprises from 0.005 wt % to 0.1 wt % chromium.7. The additively manufactured aluminum alloy of claim 1 , wherein said additively manufactured aluminum alloy comprises from 0.005 wt % to 0.05 wt % nickel.8. The additively manufactured aluminum alloy of claim 1 , wherein said additively manufactured aluminum alloy comprises from 0.005 wt % to ...

ALUMINUM ALLOY FEEDSTOCKS FOR ADDITIVE MANUFACTURING

Some variations provide an aluminum alloy feedstock for additive manufacturing, the aluminum alloy feedstock comprising from 79.8 wt % to 88.3 wt % aluminum; from 1.1 wt % to 2.1 wt % copper; from 3.0 wt % to 4.6 wt % magnesium; from 7.1 wt % to 9.0 wt % zinc; and from 0.5 wt % to 2.8 wt % zirconium as a grain-refiner element. The aluminum alloy feedstock may be in the form of an ingot powder. In some variations, the aluminum alloy feedstock comprises from 81.3 wt % to about 87.8 wt % aluminum; from 1.2 wt % to 2.0 wt % copper; from 3.2 wt % to 4.4 wt % magnesium; from 7.3 wt % to 8.7 wt % zinc; and from 0.5 wt % to 2.8 wt % zirconium. 1. An aluminum alloy feedstock for additive manufacturing , said aluminum alloy feedstock comprising:from 79.8 wt % to 88.3 wt % aluminum;from 1.1 wt % to 2.1 wt % copper;from 3.0 wt % to 4.6 wt % magnesium;from 7.1 wt % to 9.0 wt % zinc; andfrom 0.5 wt % to 2.8 wt % zirconium.2. The aluminum alloy feedstock of claim 1 , wherein said aluminum alloy feedstock is in the form of a powder.3. The aluminum alloy feedstock of claim 1 , wherein said aluminum alloy feedstock comprises from 0.005 wt % to 0.4 wt % silicon.4. The aluminum alloy feedstock of claim 1 , wherein said aluminum alloy feedstock comprises from 0.005 wt % to 0.4 wt % iron.5. The aluminum alloy feedstock of claim 1 , wherein said aluminum alloy feedstock comprises from 0.005 wt % to 0.3 wt % manganese.6. The aluminum alloy feedstock of claim 1 , wherein said aluminum alloy feedstock comprises from 0.005 wt % to 0.1 wt % chromium.7. The aluminum alloy feedstock of claim 1 , wherein said aluminum alloy feedstock comprises from 0.005 wt % to 0.05 wt % nickel.8. The aluminum alloy feedstock of claim 1 , wherein said aluminum alloy feedstock comprises from 0.005 wt % to 0.15 wt % titanium.9. The aluminum alloy feedstock of claim 1 , wherein said aluminum alloy feedstock comprises from 0.005 wt % to 0.05 wt % tin.10. The aluminum alloy feedstock of claim 1 , wherein said ...

ALUMINUM ALLOY SUITABLE FOR HIGH PRESSURE DIE CASTING

Copper-free aluminum alloys suitable for high pressure die casting and capable of age-hardening under elevated temperatures are provided. The allow includes about 9.5-13 wt % silicon, about 0.2 to 0.6 wt % Magnesium, about 0.1 to 2 wt % iron, about 0.1 to 2 wt % manganese, about 0.1 to 1 wt % nickel, about 0.5 to 3 wt % zinc, and 0 to 0.1 wt % strontium, with a balance of aluminum. Methods for making high pressure die castings and castings manufactured from the alloy are also provided. 1. An aluminum alloy suitable for high pressure die casting and capable of temperature-elevated age-hardening , the alloy comprising:at least about 84 weight percent aluminum (Al);about 9.5 to about 13 weight percent silicon (Si);about 0.2 to about 0.6 weight percent magnesium (Mg); andbeing substantially free of copper (Cu).2. The alloy according to claim 1 , further comprising:about 0.1 to 2 weight percent iron (Fe);about 0.1 to 2 weight percent manganese (Mn);wherein the ratio of weight percent Mn:Fe is about 0.5 to about 3, and the total amount of Mn+Fe is from about 0.5 to about 2.0 weight percent. Preferably less than 1.5 weight percent.3. The alloy according to claim 2 , wherein the ratio of weight percent Mn:Fe is between about 1.0 and 2 claim 2 , and the total amount of Mn+Fe is from about 0.8 to about 1.2%.4. The alloy according to claim 2 , wherein if the weight percent Fe is greater than about 1.0 claim 2 , then the alloy further comprises strontium (Sr).5. The alloy according to further comprisingabout 0.1 to 1 weight percent nickel (Ni);about 0.5 to 3.0 weight percent zinc (Zn); andabout 0 to 0.1 weight percent strontium (Sr).6. An aluminum alloy suitable for high pressure die casting and capable of age-hardening claim 2 , the alloy consisting essentially of:at least about 84 to about 90 weight percent aluminum (Al);about 9.5 to about 13 weight percent silicon (Si);about 0.2 to about 0.6 weight percent magnesium (Mg);about 0.1 to about 2 weight percent iron (Fe);about 0. ...

HIGH-STRENGTH ALUMINUM-MAGNESIUM SILICON ALLOY AND MANUFACTURING PROCESS THEREOF

A high-strength aluminum-magnesium silicon alloy and its manufacturing process which includes a composition adjusting step to add vanadium (V) and zirconium (Zr) in an aluminum-magnesium silicon alloy to refine grains of the alloy; a material casting step, a material preheating step, a hot forging step and a heat treatment step to melt magnesium and silicon atoms into an aluminum base to cause a lattice distortion and achieve a strengthening effect and precipitate MgSi from the grains of the alloy, and the precipitated particles act as obstacles to dislocation movement. Therefore, the alloy product has a yield strength improved by 31%, the ultimate strength by 39%, the hardness by 34%, and the fatigue strength by 55%. Therefore, the alloy product can be used in components with a high strength requirement such as the aluminum alloy wheels and the control arms of a car suspension system. 1. A high-strength aluminum-magnesium silicon alloy , with a trace element composition comprising: 0.4˜1.2 wt. % silicon (Si) , less than 0.7 wt. % iron (Fe) , 0.2˜1.0 wt. % copper (Cu) , less than 0.2 wt. % manganese (Mn) , 0.6˜1.6 wt. % magnesium (Mg) , less than 0.2 wt. % zinc (Zn) , less than 0.10 wt. % titanium (Ti) , 0.05˜0.3 wt. % chromium (Cr) , 0.1˜0.5 wt. % vanadium (V) , 0.1˜0.5 wt. % zirconium (Zr) and less than 0.15 wt. % impurity which are melted with aluminum (Al) to produce a material.2. The high-strength aluminum-magnesium silicon alloy of claim 1 , wherein grains of the high-strength aluminum-magnesium silicon alloy are refined to a diameter from 50 μm to 100 μm to improve mechanical properties of a subsequent alloy product.4. The high-strength aluminum-magnesium silicon alloy manufacturing process of claim 3 , wherein the heat treatment step is to put the alloy product in a solution furnace heated to 530˜580° C. and maintaining the temperature for 1˜3 hours claim 3 , and then submerge the alloy product completely into a quenching liquid of 50˜70° C. claim 3 , and ...

3XX ALUMINUM CASTING ALLOYS, AND METHODS FOR MAKING THE SAME

New 3aluminum casting alloys are disclosed. The aluminum casting alloys generally include from 6.5 to 11.0 wt. % Si, from 0.20 to 0.80 wt. % Mg, from 0.05 to 0.50 wt. % Cu, from 0.10 to 0.80 wt. % Mn, from 0.005 to 0.05 wt. % Sr, up to 0.25 wt. % Ti, up to 0.30 wt. % Fe, and up to 0.20 wt. % Zn, the balance being aluminum and impurities. 1. A 3xx aluminum casting alloy , consisting of:6.5-11.0 wt. % Si;0.20-0.80 wt. % Mg;0.05-0.50 wt. % Cu;0.10-0.80 wt. % Mn;0.005-0.050 wt. % Sr;up to 0.25 wt. % Ti;up to 0.30 wt. % Fe; andup to 0.20 wt. % Zn;the balance being aluminum (Al) and impurities, wherein the aluminum casting alloy includes not greater than 0.10 wt. % of any one impurity, and wherein the aluminum casting alloy includes not greater than 0.35 wt. %, in total, of the impurities.2. The 3xx aluminum casting alloy of claim 1 , having at least at least 7.25 wt. % Si.3. The 3xx aluminum casting alloy of claim 1 , having at least 8.0 wt. % Si.4. The 3xx aluminum casting alloy of claim 1 , having not greater than 10.25 wt. % Si.5. The 3xx aluminum casting alloy of claim 1 , having not greater than 9.50 wt. % Si.6. The 3xx aluminum casting alloy of claim 1 , having at least 0.40 wt. % Mg.7. The 3xx aluminum casting alloy of claim 1 , having not greater 0.70 wt. % Mg.8. The 3xx aluminum casting alloy of claim 1 , having at least 0.15 wt. % Cu.9. The 3xx aluminum casting alloy of claim 1 , having at least 0.18 wt. % Cu.10. The 3xx aluminum casting alloy claim 1 , having not greater than 0.35 wt. % Cu.11. The 3xx aluminum casting alloy of claim 1 , having at least 0.20 wt. % Mn.12. The 3xx aluminum casting alloy of claim 1 , having not greater than 0.65 wt. % Mn.13. The 3xx aluminum casting alloy of any of claim 1 , having from 0.005 to 0.25 wt. % Ti.14. The 3xx aluminum casting alloy of claim 1 , having not greater than 0.20 wt. % Fe and not greater than 0.15 wt. % Zn.15. A shape cast product made from the 3xx aluminum casting alloy of .16. The shape cast product of ...

Aluminum alloy wire manufacturing method and aluminum alloy wire

An aluminum alloy wire manufacturing method comprises (A) a step for melting an aluminum alloy containing 0.40-0.55 mass % of Mg and 0.45-0.65 mass % of Si, the balance being obtained from Al and unavoidable impurities, (B) a step for casting molten metal of the aluminum alloy and rolling to form a rough-drawn wire rod, (C) a step for solutionizing the rough-drawn wire rod, (D) a step for drawing the rough-drawn wire rod after solutionizing to form a drawn wire rod with a wire diameter of 0.5 mm or less, and (E) a step for heat treatment so that internal strain is removed with substantially no deposition of Mg 2 Si.

ALUMINUM ALLOY SHEET

Provided is a 6000-series aluminum alloy sheet excellent in strength and bendability. The alloy sheet is an Al—Mg—Si aluminum alloy sheet including Mg: 0.5 to 1.3% by mass, and Si: 0.7 to 1.5% by mass; one or more elements selected from Mn: 0.05 to 0.5% by mass, Zr: 0.04 to 0.20% by mass, and Cr: 0.04 to 0.20% by mass; and Al and inevitable impurities as the remainder of the alloy sheet. Transition-element-based dispersed particles which are present on grain boundaries of the alloy sheet and which have a size of 0.05 μm or more have a number density of 0.001 nmor less. The grain boundaries show a PFZ width of 60 nm or less after the aluminum alloy sheet is subjected to an artificial aging of holding the aluminum alloy sheet at 200 to 250° C. for 10 to 30 minutes. 1. An Al—Mg—Si aluminum alloy sheet , comprising:Mg: 0.5 to 1.3% by mass;Si: 0.7 to 1.5% by mass; Mn: 0.05 to 0.5% by mass,', 'Zr: 0.04 to 0.20% by mass, and', 'Cr: 0.04 to 0.20% by mass; and, 'one or more elements selected from the group consisting of the followingAl and inevitable impurities,wherein:the aluminum alloy sheet has grains, and grain boundaries therebetween;{'sup': '−1', 'transition-element-based dispersed particles are present on the grain boundaries and have a size of 0.05 μm or more and have a number density of 0.001 nmor less; and'}the grain boundaries show a PFZ width of 60 nm or less after the aluminum alloy sheet is subjected to an artificial aging of holding the aluminum alloy sheet at 200 to 250° C. for 10 to 30 minutes.2. The aluminum alloy sheet according to claim 1 , further comprising:Cu: more than 0% by mass, and 0.5% or less by mass.3. The aluminum alloy sheet according to claim 1 , further comprising:Sc: 0.02 to 0.1% by mass.4. The aluminum alloy sheet according to claim 2 , further comprising:Sc: 0.02 to 0.1% by mass.5. The aluminum alloy sheet according to claim 1 , further comprising one or more elements selected from the group consisting of:Ag: 0.01 to 0.2% by mass, andSn: ...

HIGH STRENGTH AND HIGHLY FORMABLE ALUMINUM ALLOYS RESISTANT TO NATURAL AGE HARDENING AND METHODS OF MAKING THE SAME

Disclosed are high-strength, highly deformable aluminum alloys and methods of making and processing such alloys. More particularly, disclosed is a heat treatable aluminum alloy exhibiting improved mechanical strength and formability. The processing method includes casting, homogenizing, hot rolling, solutionizing, pre-aging and in some cases pre-straining. In some cases, the processing steps can further include cold rolling and/or heat treating. 1. A method of producing an aluminum alloy metal product , the method comprising;casting an aluminum alloy to form a cast aluminum alloy product, wherein the aluminum alloy comprises about 0.05-1.1 wt. % Cu, about 0.6-1.1 wt. % Si, about 0.7-1.2 wt. % Mg, up to about 0.25 wt. % Cr, up to about 0.35 wt. % Mn, up to about 0.4 wt. % Fe, up to about 0.25 wt. % Zr, up to about 1.0 wt. % Zn, up to about 0.30 wt. % Ti, up to about 0.04 wt. % Ni, and up to about 0.15 wt. % of impurities, with the remainder as Al;homogenizing the cast aluminum alloy product;hot rolling the cast aluminum alloy product to produce a sheet, plate, or shate;solutionizing the sheet, plate, or shate at a temperature between about 520° C. and about 580° C.;pre-aging the sheet, plate, or shate; andcoiling the sheet, plate, or shate.2. The method of claim 1 , wherein the aluminum alloy comprises about 0.6-1.1 wt. % Cu claim 1 , about 0.6-1.1 wt. % Si claim 1 , about 0.7-1.2 wt. % Mg claim 1 , up to about 0.25 wt. % Cr claim 1 , up to about 0.35 wt. % Mn claim 1 , about 0.05-0.4 wt. % Fe claim 1 , up to about 0.25 wt. % Zr claim 1 , up to about 0.3 wt. % Zn claim 1 , up to about 0.10 wt. % Ti claim 1 , up to about 0.04 wt. % Ni claim 1 , and up to about 0.15 wt. % of impurities claim 1 , with the remainder as Al.3. The method of claim 1 , wherein the aluminum alloy comprises about 0.75-0.9 wt. % Cu claim 1 , about 0.65-0.9 wt. % Si claim 1 , about 0.85-1.0 wt. % Mg claim 1 , about 0.05-0.18 wt. % Cr claim 1 , about 0.05-0.18 wt. % Mn claim 1 , about 0.12-0.3 wt ...

ALUMINUM ALLOYS AND METHODS OF MAKING THE SAME

Disclosed are high-strength aluminum alloys and methods of making and processing such alloys. More particularly, disclosed are aluminum alloys exhibiting improved mechanical strength. The processing method includes homogenizing, hot rolling, solutionizing, and multiple-step quenching. In some cases, the processing steps can further include annealing and/or cold rolling. 1. A method of producing an aluminum alloy comprising:casting an aluminum alloy to form a cast aluminum product, wherein the aluminum alloy comprises about 0.45−1.5 wt. % Si, about 0.1−0.5 wt. % Fe, up to about 1.5 wt. % Cu, about 0.02−0.5 wt. % Mn, about 0.45−1.5 wt. % Mg, up to about 0.5 wt. % Cr, up to about 0.01 wt. % Ni, up to about 0.1 wt. % Zn, up to about 0.1 wt. % Ti, up to about 0.1 wt. % V, and up to about 0.15 wt. % of impurities, with the remainder Al;homogenizing the cast aluminum product;hot rolling the cast aluminum product to produce an aluminum alloy body of a first gauge;cold rolling the aluminum alloy body to produce an aluminum alloy plate, shate or sheet having a final gauge;solutionizing the aluminum alloy plate, shate or sheet;quenching the aluminum alloy plate, shate or sheet;coiling the aluminum alloy plate, shate or sheet into a coil; andaging the coil.2. The method of claim 1 , wherein the quenching comprises multiple steps claim 1 , wherein the multiple steps comprise:a first quenching to a first temperature;a second quenching to a second temperature; anda third quenching to a third temperature.3. The method of claim 2 , wherein the first quenching is performed with air.4. The method of claim 2 , wherein the second quenching is performed with water.5. The method of claim 2 , wherein the third quenching is performed with air.6. The method of claim 2 , wherein the first temperature is in a range from approximately 400° C. to approximately 550° C.7. The method of claim 2 , wherein the second temperature is in a range from approximately 200° C. to approximately 300° C.8. The ...

ALUMINUM ALLOY PLATE HAVING EXCELLENT MOLDABILITY AND BAKE FINISH HARDENING PROPERTIES

An aluminum alloy sheet excellent in terms of formability and bake hardenability which contains in terms of mass %, Mg: 0.2 to 2.0%, Si: 0.3 to 2.0% and Sn: 0.005 to 0.3%, with the remainder being Al and unavoidable impurities. A differential scanning calorimetry curve of the aluminum alloy sheet has an endothermic peak in a temperature range of 150 to 230° C. and an exothermic peak in a temperature range of 240 to 255° C. The endothermic peak corresponds to a dissolution of a Mg—Si cluster and has a peak height of 8 μW/mg or less, including 0 μW/mg. The exothermic peak corresponds to a formation of a Mg—Si cluster and has a peak height of 20 μW/mg or larger. 1. An aluminum alloy sheet excellent in terms of formability and bake hardenability , which is an Al—Mg—Si alloy sheet comprising , in terms of mass % , Mg: 0.2 to 2.0% , Si: 0.3 to 2.0% and Sn: 0.005 to 0.3% , with the remainder being Al and unavoidable impurities , wherein a differential scanning calorimetry curve of the aluminum alloy sheet has an endothermic peak in a temperature range of 150 to 230° C. , that is an endothermic peak corresponding to a dissolution of a Mg—Si cluster and that has a peak height of 8 μW/mg or less (including 0 μW/mg) , and has an exothermic peak in a temperature range of 240 to 255° C. , that is an exothermic peak corresponding to a formation of a Mg—Si cluster and that has a peak height of 20 μW/mg or larger.2. The aluminum alloy sheet excellent in terms of formability and bake hardenability according to claim 1 , further comprising one kind or two or more kinds selected from the group consisting of Fe: more than 0% and 1.0% or less claim 1 , Mn: more than 0% and 1.0% or less claim 1 , Cr: more than 0% and 0.3% or less claim 1 , Zr: more than 0% and 0.3% or less claim 1 , V: more than 0% and 0.3% or less claim 1 , Ti: more than 0% and 0.1% or less claim 1 , Cu: more than 0% and 1.0% or less claim 1 , Ag: more than 0% and 0.2% or less claim 1 , and Zn: more than 0% and 1.0% or ...

HIGH STRENGTH 6XXX ALUMINUM ALLOYS AND METHODS OF MAKING THE SAME

Provided are new high strength 6xxx aluminum alloys and methods of making aluminum sheets thereof. These aluminum sheets may be used to fabricate components which may replace steel in a variety of applications including the transportation industry. In some examples, the disclosed high strength 6xxx alloys can replace high strength steels with aluminum. In one example, steels having a yield strength below 340 MPa may be replaced with the disclosed 6xxx aluminum alloys without the need for major design modifications. 1. A 6xxx aluminum alloy comprising 0.001-0.25 wt. % Cr , 0.4-2.0 wt. % Cu , 0.10-0.30 wt. % Fe , 0.5-2.0 wt. % Mg , 0.005-0.40 wt. % Mn , 0.5-1.5 wt. % Si , up to 0.15 wt. % Ti , up to 4.0 wt. % Zn , up to 0.2 wt. % Zr , up to 0.2 wt. % Sc , up to 0.25 wt. % Sn , up to 0.1 wt. % Ni , up to 0.15 wt. % impurities , remainder aluminum.2. The 6xxx aluminum alloy of claim 1 , comprising 0.03 wt. % Cr claim 1 , 0.8 wt. % Cu claim 1 , 0.15 wt. % Fe claim 1 , 1.0 wt. % Mg claim 1 , 0.2 wt. % Mn claim 1 , 1.2 wt. % Si claim 1 , 0.04 wt. % Ti claim 1 , 0.01 wt. % Zn claim 1 , and up to 0.15 wt. % impurities claim 1 , remainder aluminum.3. The 6xxx aluminum alloy of claim 1 , comprising 0.03 wt. % Cr claim 1 , 0.4 wt. % Cu claim 1 , 0.15 wt. % Fe claim 1 , 1.3 wt. % Mg claim 1 , 0.2 wt. % Mn claim 1 , 1.3 wt. % Si claim 1 , 0.04 wt. % Ti claim 1 , 0.01 wt. % Zn claim 1 , and up to 0.15 wt. % impurities claim 1 , remainder aluminum.4. The 6xxx aluminum alloy of claim 1 , comprising 0.1 wt. % Cr claim 1 , 0.4 wt. % Cu claim 1 , 0.15 wt. % Fe claim 1 , 1.3 wt. % Mg claim 1 , 0.2 wt. % Mn claim 1 , 1.3 wt. % Si claim 1 , 0.04 wt. % Ti claim 1 , 0.01 wt. % Zn claim 1 , and up to 0.15 wt. % impurities claim 1 , remainder aluminum.5. A method of making an aluminum alloy sheet claim 1 , comprising:casting an 6xxx aluminum alloy;heating the cast aluminum alloy to a temperature of 510° C. to 590° C.;maintaining the cast aluminum alloy at the temperature of 510° C. to 590° C. ...

HIGH TEMPERATURE CAST ALUMINUM ALLOY FOR CYLINDER HEADS

Aluminum alloys having improved high temperature mechanical properties are provided. An aluminum alloy suitable for sand casting, permanent mold casting, or semi-permanent mold casting includes about 3 to about 12 weight percent silicon; about 0.5 to about 2.0 weight percent copper; about 0.2 to about 0.6 weight percent magnesium; about 0 to about 0.5 weight percent chromium; about 0 to about 0.3 weight percent each of zirconium, vanadium, cobalt, and barium; about 0 to about 0.3 weight percent each of strontium, sodium, and titanium; about 0 to about 0.5 weight percent each of iron manganese, and zinc; and about 0.0.1 weight percent of other trace elements. Also disclosed is a semi permanent mold cast article, such as an engine cylinder head. 1. An aluminum alloy suitable for sand casting , permanent mold , or semi-permanent mold casting , the aluminum alloy comprising:about 3 to about 12 weight percent silicon;about 0.5 to about 2.0 weight percent copper;about 0.2 to about 0.6 weight percent magnesium;about 0.0 to about 0.5 weight percent chromium;about 0.0 to about 0.3 weight percent each of zirconium, vanadium, cobalt, and barium;about 0 to about 0.3 weight percent each of strontium, sodium, and titanium;about 0 to about 0.5 weight percent each of iron manganese, and zinc; andabout 0.0.1 weight percent of other trace elements.2. The aluminum alloy of claim 1 , further comprising about 80 to about 91 weight percent aluminum.3. The aluminum alloy of claim 2 , further comprising as-cast particles essentially about 1.0 to about 100 μm each of silicon and iron rich intermetallic particles.4. The aluminum alloy of claim 2 , further comprising solution treatment particles essentially about 100 nm to about 1 μm particles including aluminum-chromium-silicon claim 2 , aluminum-zirconium claim 2 , aluminum-vanadium claim 2 , and aluminum-titanium particles.5. The aluminum alloy of claim 2 , further comprising as-aged precipitates about 0.0 to about 100 nm each of Q-phase ...

Method and apparatus for thermally treating an aluminium workpiece and aluminium workpiece

The invention relates to a method for thermally treating an aluminium workpiece, comprising the steps of providing an aluminium workpiece, which is essentially in the T structural state, and exposing a first portion of the workpiece to a first precipitation hardening process by artificial ageing to change the structural state of the first portion of the workpiece, wherein a part of the workpiece is actively cooled during the first precipitation hardening process, so that a second portion of the workpiece essentially remains in the same structural state during the first precipitation hardening process. The invention further relates to an apparatus for thermally treating an aluminium workpiece and to an aluminium workpiece, especially producible with a method according to the invention. 14. A method for thermally treating an aluminium workpiece , comprising the steps of providing an aluminium workpiece , which is in the T structural state , and exposing a first portion of the workpiece to a first precipitation hardening process by artificial ageing to change the structural state of the first portion of the workpiece , wherein a part of the workpiece is actively cooled during the first precipitation hardening process , so that a second portion of the workpiece remains in the same structural state during the first precipitation hardening process , the second portion enclosing a part of the workpiece that is not directly cooled but separated from the first portion by the actively cooled part of the workpiece.2. The method according to claim 1 , wherein the method further comprises a step of exposing the workpiece to a second precipitation hardening process by artificial ageing to change the structural state of the first and the second portion of the workpiece.376. The method according to claim 2 , wherein after the first and the second precipitation hardening processes the first portion of the workpiece is in the T structural state and the second portion of the workpiece ...

Method of manufacturing a brazing sheet

In a brazing sheet manufacturing method, a cladding slab is prepared by overlaying at least a core-material slab composed of an aluminum material and a filler-material slab composed of an Al—Si series alloy, in which a metal element that oxidizes more readily than Al is included in at least one of the slabs. A clad sheet is prepared by hot rolling this cladding slab, which then has at least a core material layer composed of the core-material slab and a filler material layer composed of the filler-material slab and disposed on at least one side of the core material. Then, a surface of the clad sheet is etched using a liquid etchant that contains an acid. Subsequently, the clad sheet is cold rolled to a desired thickness. In flux-free brazing, such a brazing sheet is capable of curtailing degradation in brazeability caused by fluctuations in dew point and oxygen concentration.

Base for magnetic recording medium

A base for a magnetic recording medium includes, a substrate made of an Al alloy, and a film made of a NiP-based alloy and provided on the substrate. The Al alloy of the substrate includes Mg in a range of 0.2 mass % to 6 mass %, Si in a range of 3 mass % to 17 mass %, Zn in a range of 0.05 mass % to 2 mass %, and Sr in a range of 0.001 mass % to 1 mass %. An average grain diameter of Si grains in an alloy structure of the substrate is 2 μm or less. The film has a thickness of 10 μm or greater. The substrate has an outer diameter of 53 mm or greater, a thickness of 0.9 mm or less, and a Young's modulus of 79 GPa or higher.

AL-CASTING ALLOY

An Al casting alloy contains the following alloy components: Si: > wt.-% to wt.-%, Mg: wt.-% to wt.-%, Cr: wt.-% to wt.-%, Fe: < wt.-%, Mn: < wt.-%, Ti: < wt.-%f Cu: ≦ wt.-%, Sr; to wt.-%, Zr: < wt.-%, Zn: < wt.-%, Contaminants.: < wt.-%, and is supplemented to wt.-% with Al, in each instance. 1. Al casting alloy that contains the following alloy components Si: >3.8 to 5.8 wt.-%. , Mg: 0.1 to 0.6 wt.-% , Cr: 0.05 to 1.3 wt.-% , Fe: <0.18 wt.-% , Mn: <0.06 wt ,% , Ti: <0.2 wt.-%f Cu: <0.03 wt.-% , Sr: 0.010 to 0.030 wt.-%. , Zr: <0.006 wt.-% , Zn: <0.006 wt.-% , Contaminants: <0.1 wt.-% , and is supplemented to 100 wt.-% with Al , in each instance.2. Al casting alloy according to claim 1 , wherein Si is contained at a content of more than 3.8 to 5.5 -wt.-% claim 1 , preferably of more than 3.8 to 5 wt.-%.3. Al casting alloy according to claim 1 , wherein Si is contained at a content of 4.0 to 5.0 wt.-%.4. Al casting alloy according to claim 1 , wherein Si is contained at a content of 5.0 to 5.8 wt.-%.5. Al casting alloy according to claim 1 , wherein Mg is contained at a content of 0.15 to less than 0.4 wt.-%.6. Al casting alloy according to claim 1 , wherein Mg is contained at a content of more than 0.15 to 0.35 wt.-% claim 1 , preferably of 0.30 to 0.35 wt.-%.7. Al casting alloy according to claim 1 , wherein Cr is contained at a content of more than 0.05 to less than 0.25 wt.-%.8. Al casting alloy according to claim 1 , wherein Cr is contained at a content of 0.10 to 0.20 wt.-% claim 1 , preferably of 0.12 to 0.17 wt.-%.9. Al casting alloy according to claim 1 , wherein Cr is contained at a content of 0.10 to 0.20 wt.-% claim 1 , preferably of 0.13 to 0.18 wt.-%.10. Al casting alloy according to claim 1 , wherein Fe is contained at a content of up to 0.12 wt.-% claim 1 , preferably at a content of 0.01 to 0.12 wt.-%.11. Al casting alloy according to claim 1 , wherein Fe is contained at a content of 0.01 to 0.15 wt.-%.12. Al casting alloy according to claim 1 , ...

ALUMINUM ALLOY FORGED MATERIAL FOR AUTOMOBILE AND METHOD FOR MANUFACTURING THE SAME

The aluminum alloy forged material for an automobile according to the present invention is composed of an aluminum alloy including Si: 0.7-1.5 mass %, Fe: 0.5 mass % or less, Cu: 0.1-0.6 mass %, Mg: 0.6-1.2 mass %, Ti: 0.01-0.1 mass % and Mn: 0.25-1.0 mass %, further including at least one element selected from Cr: 0.1-0.4 mass % and Zr: 0.01-0.2 mass %, restricting Zn: 0.05 mass % or less, and a hydrogen amount: 0.25 ml/100 g-Al or less, with the remainder being Al and inevitable impurities, wherein the aluminum alloy forged material has an area ratio the <111> texture of 60% or more in a cross section parallel to the extrusion direction. 1. An aluminum alloy forged material , manufactured by a process comprising an extrusion step and a forging step , comprising:Si: 0.7-1.5 mass %;Fe: 0.5 mass % or less;Cu: 0.1-0.6 mass %;Mg: 0.6-1.2 mass %;Ti: 0.01-0.1 mass % andMn: 0.25-1.0 mass %; further comprising at least one element selected from Cr: 0.1-0.4 mass % and Zr: 0.01-0.2 mass %; restrictingZn: 0.05 mass % or less; anda hydrogen amount: 0.25 ml/100 g-Al or less; the remainder being Al and inevitable impurities, whereinthe area ratio of the <111> texture is 60% or more in a cross section parallel to the extrusion direction,the tensile strength is 400 MPa or more, andthe elongation is 10.0% or more.2. The aluminum alloy forged material according to claim 1 , whereinthe region where the recrystallized grains exist is 5 mm or less as measured from the surface of the forged material.3. A method for manufacturing the aluminum alloy forged material from an ingot obtained by melting and casting an aluminum alloy comprising:Si: 0.7-1.5 mass %;Fe: 0.5 mass % or less;Cu: 0.1-0.6 mass %;Mg: 0.6-1.2 mass %;Ti: 0.01-0.1 mass %; andMn: 0.25-1.0 mass %; further comprising at least one element selected from Cr: 0.1-0.4 mass % and Zr: 0.01-0.2 mass %; restrictingZn: 0.05 mass % or less; anda hydrogen amount: 0.25 ml/100 g-Al or less;the remainder being Al and inevitable impurities, ...

METHOD OF FORMING A CAST ALUMINIUM ALLOY

Al—Si—Mg castings to provide enhanced mechanical properties for structural applications comprising (1) alloy optimisation with 8.5 to 12.5 wt. % Si, 0.46 to 1.0 wt. % Mg, 0.1 to 0.2 wt. % Ti, 0.05 to 0.25 wt. % Mn, 0.01 to 0.02 wt. % Sr, 0.004 to 0.1 wt. % B and other impurity elements of Cu, Fe, Zn each less than 0.15 wt. % and the balance of Al; (2) optimised melt treatment with appropriate melting, modification, degassing and grain refining; (3) appropriate type of grain refiner with optimised amount and method to add into the aluminium melt, and (4) optimised heat treatment process. When being utilized to make shape aluminium alloy castings with gravity casting process, the castings have been achieved the 0.2% offset yield strength of greater than 310 MPa, the ultimate tensile strength of greater than 365 MPa and the elongation of greater than 10%. 111.-. (canceled)12. An aluminium alloy comprising:From about 8.5 to about 12.5 wt. % Si;from about 0.46 to about 1.0 wt. % Mg;from about 0.1 to about 0.2 wt. % Ti;from about 0.05 to about 0.25 wt. % Mn;and less than about 0.05 wt. % Sn;the balance being Al and incidental impurities.13. An aluminium alloy as claimed in claim 12 , further comprising:grain refining additions of Ti, TiB2, AlB2, B, Be, Zr, Y, V, Nb, singly or in combination with one another in the range from about 0.001 to about 1.0 wt. %;Na and Sr, singly or in combination, in the range of from about 0.001 to about 0.10 wt. %; andP in the range from about 0.01 to about 0.30 wt. %.14. A method of forming a cast aluminium alloy claim 12 , comprising the steps of: from about 8.5 to about 12.5 wt. % Si,', 'from about 0.46 to about 1.0 wt. % Mg,', 'up to about 0.2 wt. % Ti,', 'from about 0.05 to about 0.25 wt. % Mn,', 'from about 0.002 to about 0.04 wt. % Sr,', 'from about 0.001 to about 0.1 wt. % B', 'and other impurity elements of Cu, Fe, Zn, each at less than about 0.15 wt. % with the balance being Al and incidental impurities;, '(i) providing an aluminium ...

ALUMINUM ALLOY WIRE ROD, ALUMINUM ALLOY STRANDED WIRE, COATED WIRE, WIRE HARNESS AND MANUFACTURING METHOD OF ALUMINUM ALLOY WIRE ROD

An aluminum alloy wire rod has a composition consisting of Mg: 0.10 to 1.00 mass %, Si: 0.10 to 1.00 mass %, Fe: 0.01 to 2.50 mass %, Ti: 0.000 to 0.100 mass %, B: 0.000 to 0.030 mass %, Cu: 0.00 to 1.00 mass %, Ag: 0.00 to 0.50 mass %, Au: 0.00 to 0.50 mass %, Mn: 0.00 to 1.00 mass %, Cr: 0.00 to 1.00 mass %, Zr: 0.00 to 0.50 mass %, Hf: 0.00 to 0.50 mass %, V: 0.00 to 0.50 mass %, Sc: 0.00 to 0.50 mass %, Co: 0.00 to 0.50 mass %, Ni: 0.00 to 0.50 mass %, and the balance: Al and incidental impurities. The aluminum alloy wire rod has an average grain size of 1 μm to 35 μm at an outer peripheral portion thereof, and an average grain size at an inner portion thereof is greater than or equal to 1.1 times the average grain size at the outer peripheral portion. 1. An aluminum alloy wire rod having a composition consisting of Mg: 0.10 mass % to 1.00 mass % , Si: 0.10 mass % to 1.00 mass % , Fe: 0.01 mass % to 2.50 mass % , Ti: 0.000 mass % to 0.100 mass % , B: 0.000 mass % to 0.030 mass % , Cu: 0.00 mass % to 1.00 mass % , Ag: 0.00 mass % to 0.50 mass % , Au: 0.00 mass % to 0.50 mass % , Mn: 0.00 mass % to 1.00 mass % , Cr: 0.00 mass % to 1.00 mass % , Zr: 0.00 mass % to 0.50 mass % , Hf: 0.00 mass % to 0.50 mass % , V: 0.00 mass % to 0.50 mass % , Sc: 0.00 mass % to 0.50 mass % , Co: 0.00 mass % to 0.50 mass % , Ni: 0.00 mass % to 0.50 mass % , and the balance: Al and incidental impurities ,wherein the aluminum alloy wire rod has an average grain size of 1 μm to 35 μm at an outer peripheral portion thereof, andan average grain size at an inner portion thereof is greater than or equal to 1.1 times the average grain size at the outer peripheral portion.2. The aluminum alloy wire rod according to claim 1 , wherein the composition contains at least one element selected from a group consisting of Ti: 0.001 mass % to 0.100 mass % and B: 0.001 mass % to 0.030 mass %.3. The aluminum alloy wire rod according to claim 1 , wherein the composition contains at least one element ...

Aluminum alloy wire rod, aluminum alloy stranded wire, coated wire, wire harness and manufacturing method of aluminum alloy wire rod

An aluminum alloy wire rod has a composition consisting of 0.10-1.00 mass % Mg; 0.10-1.00 mass % Si; 0.01-1.40 mass % Fe; 0.000-0.100 mass % Ti; 0.000-0.030 mass % B; 0.00-1.00 mass % Cu; 0.00-0.50 mass % Ag; 0.00-0.50 mass % Au; 0.00-1.00 mass % Mn; 0.00-1.00 mass % Cr; 0.00-0.50 mass % Zr; 0.00-0.50 mass % Hf; 0.00-0.50 mass % V; 0.00-0.50 mass % Sc; 0.00-0.50 mass % Co; 0.00-0.50 mass % Ni; and the balance being Al and incidental impurities, wherein at least one of Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni is contained in the composition or none of Ti, B, Cu, Ag, Au, Mn, Cr, Zr, Hf, V, Sc, Co and Ni is contained in the composition. A precipitate free zone exists inside a crystal grain, and the precipitate free zone has a width of less than or equal to 100 nm.

DIE CASTING ALUMINUM ALLOY, PRODUCTION METHOD OF DIE CASTING ALUMINUM ALLOY, AND COMMUNICATIONS PRODUCT

Embodiments of the present disclosure provide a die casting aluminum alloy, including constituents with the following mass percentages: silicon: 4.0% to 10.0%; magnesium: 0.2% to 1.0%; copper: ≤0.1%; manganese: ≤0.1%; zinc: ≤0.1%; ferrum: ≤1.3%; titanium: ≤0.2%; inevitable impurities: ≤0.15%; and the rest: aluminum. The die casting aluminum alloy has a high heat-conducting property, good formability, high corrosion resistance, and a good mechanical property. This can resolve a prior-art problem that forming and heat dissipation requirements of a communications product with a complex structure, high heat flux density, and large power cannot be met at the same time because it is difficult for a die casting aluminum alloy to have both a high heat-conducting property and good formability. The embodiments of the present disclosure further provide a production method of the die casting aluminum alloy and a communications product. 1. A die casting aluminum alloy , consisting of constituents with the following mass percentages:silicon: 4.0% to 10.0%;magnesium: 0.2% to 1.0%;copper: ≤0.1%;manganese: ≤0.1%;zinc: ≤0.1%;ferrum: ≤1.3%;titanium: ≤0.2%;impurities: ≤0.15%; andremainder: aluminum.2. The die casting aluminum alloy according to claim 1 , wherein a mass percentage of the silicon is 5.5% to 6.5%.3. The die casting aluminum alloy according to claim 2 , wherein the mass percentage of the silicon is 5.8% to 6.3%.4. The die casting aluminum alloy according to claim 2 , wherein the mass percentage of the silicon is 5.7%.5. The die casting aluminum alloy according to claim 1 , wherein a mass percentage of the silicon is 4.3% to 5.0%.6. The die casting aluminum alloy according to claim 5 , wherein the mass percentage of the silicon is 4.4% to 4.8%.7. The die casting aluminum alloy according to claim 1 , wherein a mass percentage of the silicon is 6.5% to 7.5%.8. The die casting aluminum alloy according to claim 1 , wherein a mass percentage of the magnesium is 0.3% to 0.8%.9. ...

ALUMINUM ALLOY AND METHOD OF MANUFACTURING

An aluminum alloy for casting shaped aluminum alloy parts may comprise alloying elements of silicon and chromium and may be formulated to develop a dispersion strengthened and precipitation strengthened microstructure via heat treatment. The aluminum alloy may be formulated to develop a microstructure including an aluminum matrix phase and a fine-grained AlCrSi dispersoid phase when subjected to a solution heat treatment. The aluminum alloy also may be formulated to develop a microstructure including one or more Cu-containing precipitate phases when subjected to an aging heat treatment. 1. An aluminum alloy for casting shaped aluminum alloy parts , the aluminum alloy comprising , by weight , 3-11% silicon (Si) , 0.1-0.6% chromium (Cr) , ≤0.15% iron (Fe) , and ≤0.3% manganese (Mn) , andwherein a weight ratio of chromium to iron and manganese, Cr:(Fe+Mn), in the aluminum alloy is greater than or equal to 1:1.2. The aluminum alloy set forth in wherein claim 1 , after the aluminum alloy is solution heat treated claim 1 , the aluminum alloy exhibits a multiphase microstructure including an aluminum matrix phase and a fine-grained AlCrSi dispersoid phase claim 1 , and wherein the AlCrSi dispersoid phase exhibits a face centered cubic (fcc) crystal lattice structure and comprises claim 1 , by weight claim 1 , greater than 80% Al claim 1 , Cr claim 1 , and Si.3. The aluminum alloy set forth in wherein the AlCrSi dispersoid phase and the aluminum matrix phase exhibit a crystallographic orientation relationship between adjacent crystal grains claim 2 , and wherein the crystallographic orientation relationship between the adjacent crystal grains is at least one of <001>//<111> claim 2 , {200}//{40}or <001>//<10> claim 2 , {200}//{333}.4. The aluminum alloy set forth in wherein the AlCrSi dispersoid phase comprises a plurality of AlCrSi dispersoid grains distributed throughout the aluminum matrix phase claim 2 , and wherein the AlCrSi dispersoid grains have a mean grain ...

METHODS FOR RELIEVING STRESS IN AN ADDITIVELY MANUFACTURED ALLOY BODY

Methods for producing additively manufactured products are disclosed. In one embodiment, a method comprises using additive manufacturing to produce an aluminum alloy body, and, after the using step (a), cold working at least a portion of the aluminum alloy body, thereby relieving stress. 1. A method comprising: 'wherein, due at least in part to the using additive manufacturing step (a), the aluminum alloy body realizes a first amount of residual stress;', '(a) using additive manufacturing to produce an aluminum alloy body;'} wherein the cold working comprises cold deforming the aluminum alloy body by at least 0.1%;', 'wherein, due at least in part to the cold working step (b), at least some of the cold worked portions realize a second amount of residual stress; and', 'wherein the second amount of residual stress is lower than the first amount of residual stress., '(b) after the using step (a), cold working at least a portion of the aluminum alloy body, thereby relieving stress in cold worked portions of the aluminum alloy body;'}2. The method of claim 1 , wherein the aluminum alloy body is an aluminum alloy selected from the group consisting of: a 1xxx aluminum alloy claim 1 , a 2xxx aluminum alloy claim 1 , a 3xxx aluminum alloy claim 1 , a 4xxx aluminum alloy claim 1 , a 5xxx aluminum alloy claim 1 , a 6xxx aluminum alloy claim 1 , a 7xxx aluminum alloy claim 1 , and an 8xxx aluminum alloy.3. The method of claim 1 , wherein the aluminum alloy body is a 4xxx series aluminum alloy.4. The method of claim 3 , wherein the aluminum alloy body is a 4046 aluminum alloy.5. The method of claim 1 , wherein the cold working step (b) comprises at least one of compressing claim 1 , stretching claim 1 , and combinations thereof.6. The method of claim 1 , wherein the cold working step (b) comprises cold deforming all parts of the aluminum alloy body by at least 0.1%.7. The method of claim 1 , wherein the cold working step (b) comprises cold deforming by not greater than 25%.8. ...

HIGH PERFORMANCE AlSiMgCu CASTING ALLOY

An aluminum casting alloy has 8.5-9.5 wt. % silicon, 0.5-2.0 wt. % copper (Cu), 0.27-0.53 wt. % magnesium (Mg), wherein the aluminum casting alloy includes copper and magnesium such that 4.7≦(Cu+10Mg)≦5.8, and other elements, the balance being aluminum. Selected elements may be added to the base composition to give resistance to degradation of tensile properties due to exposure to heat. The thermal treatment of the alloy is calculated based upon wt. % composition to solutionize unwanted phases having a negative impact on properties and may include a three level ramp-up and soak to a final temperature followed by cold water quenching and artificial aging. 18.5-9.5 wt. % silicon;0.5-2.0 wt. % copper (Cu); 'wherein the aluminum casting alloy includes copper and magnesium such that 4.7≦(Cu+10Mg)≦5.8;', '0.27-0.53 wt. % magnesium (Mg);'}up to 5.0 wt. % zinc;up to 1.0 wt. % silver;up to 1.0 wt. % nickelup to 1.0 wt. % hafniumup to 1.0 wt. % manganeseup to 1.0 wt. % iron;up to 0.30 wt. % titanium;up to 0.30 wt. % zirconium;up to 0.30 wt. % vanadium;up to 0.10 wt. % of one or more of strontium, sodium and antimony;other elements being ≦0.04 wt. % each and ≦0.12 wt. % in total;the balance being aluminum.. An aluminum casting alloy consisting of: This application is a continuation of U.S. patent application Ser. No. 13/662,132, filed Oct. 26, 2012, which claims the benefit of U.S. Provisional Application No. 61/628,320, filed Oct. 28, 2011, and 61/628,321, filed Oct. 28, 2011, each of which are incorporated herein by reference in their entirety.The present invention relates to aluminum alloys, and more particularly, to aluminum alloys used for making cast products.Aluminum alloys are widely used, e.g., in the automotive and aerospace industries, due to a high performance-to-weight ratio, favorable corrosion resistance and other factors. Various aluminum alloys have been proposed in the past that have characteristic combinations of properties in terms of weight, strength, ...

Austenite-based molten aluminum-plated steel sheet having excellent properties of plating and weldability, and method for manufacturing same

Provided are an austenite-based molten aluminum-plated steel sheet comprising: a steel plate which contains, by weight %, 0.3 to 0.9% of C, 12 to 25% of Mn, 0.5 to 2.5% of Si, 0.3 to 3.0% of Al, 0.01 to 0.5% of Ti, 0.05 to 0.5% of V, 0.01-0.5% of Mo, 0.01-0.2% of Sn, 0.001-0.1% of Co, and 0.001-0.1% of W, the remainder being Fe and unavoidable impurities; and a molten aluminum-based plated layer formed on a surface of the steel plate, and a method for producing the same.

HIGH ELASTICITY HYPER EUTECTIC ALUMINUM ALLOY AND METHOD FOR MANUFACTURING THE SAME

Disclosed herein is a high-elasticity hypereutectic aluminum alloy, including: titanium (Ti) and boron (B), wherein a composition ratio of Ti:B is 3.5 to 5:1, boron (B) is included in an amount of 0.5 to 2 wt %, and both AlTi and TiBare included as reinforcing agents. 1. A high-elasticity hypereutectic aluminum alloy , comprising: titanium (Ti) and boron (B) , wherein a composition ratio of Ti:B is between about 3.5 and about 5:1 , boron (B) is included in an amount of about 0.5 to 2 wt % , and both AlTi and TiBare included as reinforcing agents.2. A high-elasticity hypereutectic aluminum alloy , comprising: copper (Cu) in an amount of about 4.5 wt % , magnesium (Mg) in an amount of about 0.60 wt % , silicon (Si) in an amount of about 17 to 19 wt % , zinc (Zn) in an amount of about 0.50 wt % boron (B) in an amount of about 0.5 to 2 wt % , titanium (Ti) in an amount of about 4 to 6 wt % , and a balance of aluminum (Al) ,{'sub': 3', '2, 'wherein a composition ratio of Ti:B is between about 3.5 to about 5:1, and both AlTi and TiBare included as reinforcing agents.'}3. A high-elasticity hypereutectic aluminum alloy , essentially consisting of: copper (Cu) in an amount of about 4.5 wt % , magnesium (Mg) in an amount of about 0.60 wt % , silicon (Si) in an amount of about 17 to 19 wt % , zinc (Zn) in an amount of about 0.50 wt % , boron (B) in an amount of about 0.5 to 2 wt % , titanium (Ti) in an amount of about 4 to 6 wt % , and a balance of aluminum (Al) ,{'sub': 3', '2, 'wherein a composition ratio of Ti:B is between about 3.5 to about 5:1, and both AlTi and TiBare included as reinforcing agents.'}4. A method of manufacturing the high-elasticity hypereutectic aluminum alloy of claim 2 , comprising the steps of:introducing Al and an Al—B master alloy, and an Al—Ti master alloy or a Ti material into a melting furnace, wherein a composition ratio of Ti:B is between about 3.5 and about 5:1 and B is included in an amount of about 0.5 to 2 wt %, thereby preparing a molten ...

Solid State Grain Alignment Of Permanent Magets in Near-Final Shape

Magnet microstructure manipulation in the solid state by controlled application of a sufficient stress in a direction during high temperature annealing in a single-phase region of heat-treatable magnet alloys, e.g., alnico-type magnets is followed by magnetic annealing and draw annealing to improve coercivity and saturation magnetization properties. The solid-state process can be termed highly controlled abnormal grain growth (hereafter AGG) and will make aligned sintered anisotropic magnets that meet or exceed the magnetic properties of cast versions of the same alloy types. 1. In a method for treating a magnet shape to impart magnetic properties , the step of heating the magnet shape and applying a stress in a direction at a temperature where a single magnet phase exists and for a time that imparts a grain aligned magnetic microstructure.2. The method of wherein the heating is followed by magnetic annealing.3. The method of wherein the magnetic annealing then is followed by draw annealing.4. The method of wherein a uni-axial stress is applied by loading of the magnet shape during heating.5. The method of wherein the uniaxial stress is applied by dead weight loading of the magnet shape during heating.6. The method of wherein the applied stress is compressive stress.7. The method of wherein the stress is controlled so that substantially zero strain occurs.8. The method of wherein the stress is applied by a thermal gradient established in a direction along the magnet shape.9. The method of wherein the grain-aligned magnetic microstructure occurs by grain growth in a particular direction.10. The method of wherein grain growth occurs in a direction normal to the direction of applied stress when the magnet shape has a cubic crystal structure.11. The method of wherein the grain-aligned microstructure is polycrystalline or a monocrystalline.12. The method of wherein the grain-aligned magnetic microstructure occurs by grain growth and grain rotation toward a preference ...

ARTIFICIAL AGING PROCESS FOR ALUMINUM-SILICON (AlSi) ALLOYS FOR DIE CAST COMPONENTS

Provided is a method of heat treating a die cast aluminum alloy component. A die cast component has at least one thin walled region with a thickness of ≤5 mm. The alloy has silicon at ≥6.5 mass % to ≤15.5 mass %, copper at ≥0.1 mass % to ≤3.5 mass %, magnesium at ≤0.5 mass %, manganese at ≤0.6 mass %, and chromium at ≤0.6 mass %. The method includes quenching the die cast component at a cooling rate of ≥ about 100° C./second to a first temperature of less than 50° C. and age hardening by heating the die cast component to a second temperature of ≥ about 150° C. for a predetermined duration of time to facilitate formation of particles of Mg 2 Si in an aluminum alloy matrix. The aluminum alloy treated by the method can form lightweight, high strength, high ductility components.

PROCESS FOR WARM FORMING A HARDENED ALUMINUM ALLOY

Described are processes for shaping a hardened heat treatable, age-hardenable aluminum alloys, such as hardened 2XXX, 6XXX and 7XXX aluminum alloys, or articles made from such alloys, including aluminum alloy sheets. The processes involve heating the article, which may be in a form of a sheet or a blank, before and/or concurrently with a forming step. In some examples, the alloy is heated to a specified temperature in the range of 125-425° C. at a specified heating rate within the range of about 3-200° C./s, for example, 3-90° C./s or 90-150° C./s. Such a combination of the temperature and the heating rate can result in an advantageous combination of article properties. 1. An aluminum alloy , comprising Si: 0.4-1.5 wt. % , Mg: 0.3-1.5 wt. % , Cu: 0-1.5 wt. % , Mn: 0-0.40 wt. % , Cr: 0-0.30 wt. % , up to 0.15 wt. % impurities , and Al ,wherein the aluminum alloy comprises a stamping draw depth of at least about 20 mm and an engineering stress of at least about 50 MPa, andwherein the aluminum alloy is in a T5, T6, or T61 temper.2. The aluminum alloy of claim 1 , comprising Si: 0.5-1.4 wt. % claim 1 , Mg: 0.4-1.4 wt. % claim 1 , Cu: 0-1.4 wt. % claim 1 , Mn: 0-0.35 wt. % claim 1 , Cr: 0-0.25 wt. % claim 1 , up to 0.15 wt. % impurities claim 1 , and Al.3. The aluminum alloy of claim 1 , comprising Si: 0.6-1.3 wt. % claim 1 , Mg: 0.5-1.3 wt. % claim 1 , Cu: 0-1.3 wt. % claim 1 , Mn: 0-0.30 wt. % claim 1 , Cr: 0-0.2 wt. % claim 1 , up to 0.15 wt. % impurities claim 1 , and Al.4. The aluminum alloy of claim 1 , comprising Si: 0.7-1.2 wt. % claim 1 , Mg: 0.6-1.2 wt. % claim 1 , Cu: 0-1.2 wt. % claim 1 , Mn: 0-0.25 wt. % claim 1 , Cr: 0-0.15 wt. % claim 1 , up to 0.15 wt. % impurities claim 1 , and Al.5. The aluminum alloy of claim 1 , wherein the aluminum alloy is an age-hardenable claim 1 , heat treatable aluminum alloy.6. The aluminum alloy of claim 5 , wherein the age-hardenable claim 5 , heat treatable aluminum alloy is a 2XXX series aluminum alloy claim 5 , a 6XXX ...

ALUMINUM CASTING ALLOY

An aluminum casting alloy contains the following alloy components: Si: 3.0 to 3.8 wt.-%, Mg: 0.3 to 0.6 wt.-%, Cr: 0.05 to <0.25 wt.-%, Fe: <0.18 wt.-%, Mn: <0.06 wt.-%, Ti: <0.16 wt.-%, Cu: <0.006 wt.-%, Sr: 0.010 to 0.030 wt.-%, Zr: <0.006 wt.-%, Zn: <0.006 wt.-%, Contaminants: <0.1 wt.-%, and is supplemented to 100 wt.-% with Al, in each instance. 1. Al casting alloy that contains the following alloy componentsSi: 3.0 to 3.8 wt.-%,Mg: 0.3 to 0.6 wt.-%,Cr: 0.05 to <0.25 wt.-%,Fe: <0.18 wt.-%,Mn: <0.06 wt.-%,Ti: <0.16 wt.-%,Cu: <0.006 wt.-%Sr: 0.010 to 0.030 wt.-%,Zr: <0.006 wt.-%,Zn: <0.006 wt.-%,Contaminants: <0.1 wt.-%,and is supplemented to 100 wt.-% with Al, in each instance.2. Al casting alloy according to claim 1 , wherein Si is contained at a content of more than 3.1 to less than 3.7 wt.-%.3. Al casting alloy according to claim 1 , wherein Mg is contained at a content of 0.5 to 0.6 wt.-%.4. Al casting alloy according to claim 1 , wherein Cr is contained at a content of 0.10 to less than 0.20 wt.-%.5. Al casting alloy according to claim 1 , wherein Cr is contained at a content of 0.12 to 0.17 wt.-%.6. Al casting alloy according to claim 1 , wherein Fe is contained at a content of 0.01 to 0.15 wt.-%.7. Al casting alloy according to claim 1 , wherein Mn is contained at a content of 0.01 to 0.05 wt.-%.8. Al casting alloy according to claim 1 , wherein Ti is contained at a content of 0.05 to 0.15 wt.-%.9. Al casting alloy according to claim 1 , wherein Cu is contained at a content of 0.001 to 0.005 wt.-%.10. Al casting alloy according to claim 1 , wherein Sr is contained at a content of 0.015 to 0.025 wt.-%.11. Al casting alloy according to claim 1 , wherein Zr is contained at a content of 0.001 to 0.005 wt.-%.12. Al casting alloy according to claim 1 , wherein Zn is contained at a content of 0.001 to 0.005 wt.-%.13. Al casting alloy according to claim 1 , wherein contaminants are contained at a content of <0.05 wt.-%.14. Al casting alloy according to claim 1 , ...

METHOD FOR WETTING A SONOTRODE

The method comprising the following steps: 1. Method for using a sonotrode comprising:a) Providing a first bath of a liquid metal comprising aluminium with a content X and magnesium with a content Y, the magnesium content Y being different to zero,b) Immersing at least partially a sonotrode formed from a material inert to liquid aluminium, in the first bath of liquid metal,c) Applying power ultrasounds to the sonotrode so as to excite the liquid metal until wetting of the sonotrode by the liquid metal is obtained,d) Cooling the first liquid metal of the first bath until solidification of the first liquid metal around the sonotrode is obtained, generating an intimate bond between the sonotrode and the solidified first liquid metal having a bonding strength substantially equal to that of brazing between two metals.e) Machining the solidified first metal in the form of a flange configured for the attachment of a mechanical amplifier and/or of a transducer.2. Method according to claim 1 , wherein a) comprises providing a first bath of liquid metal comprising magnesium with a content Y greater than or equal to 0.05% claim 1 , optionally a content Y greater than 0.5% claim 1 , and optionally a content Y greater than or equal to 0.7% by weight.3. Method according to claim 1 , wherein the sonotrode immersed in b) is formed from a silicon nitride or silicon oxynitride ceramic claim 1 , optionally a SiAlON.4. Method according to claim 1 , wherein c) for applying power ultrasounds consists of applying low-frequency ultrasounds claim 1 , optionally of a frequency between 10 and 40 kHz.5. Method according to claim 1 , wherein a) comprises providing a first bath of liquid metal wherein the liquid aluminium content X is zero.6. Method according claim 1 , wherein a) comprises the provision of a first bath of liquid metal comprising aluminium with a content X different to zero such that the first bath comprises a first liquid aluminium alloy.7. Method according to claim 1 , ...

Aluminum alloy brazing sheet and brazing method

A brazing method of performing brazing on an aluminum alloy brazing sheet by increasing a temperature from 200° C. to a brazing temperature in an inert gas atmosphere with a dew point controlled to −20° C. or lower, thereafter increasing the temperature in an inert gas atmosphere with a dew point controlled to −40° C. or lower and an oxygen concentration controlled to 100 ppm or lower, and performing brazing heating in an inert gas atmosphere at a temperature of 580° C. to 615° C. without using flux. The aluminum alloy brazing sheet has a structure in which one or both of a core material and a brazing material includes any one or two or more types of X atoms (X is Mg, Li, Be, Ca, Ce, La, Y, and Zr), and oxide particles including the X atoms and having a volume change ratio of 0.99 or lower are formed on a surface thereof.

Light metal cast component

A method includes producing a light metal cast component from a melt of an aluminium casting alloy. The alloy contains, by weight, silicon with 3.5 to 5.0%, magnesium with 0.2 to 0.7%, titanium with 0.07 to 0.12%, boron with a maximum of 0.012%, and optionally further alloy elements together with less than 1.5%, the rest, aluminium as well as unavoidable impurities, wherein the melt is produced from a base melt, a first grain refiner of an aluminium-silicon alloy and a second grain refiner of an aluminium-titanium-alloy, wherein the melt, in relation to the total weight, contains in total an amount of 0.1 to 5.0% of the first and the second grain refiner; wherein the casting is carried out by a low-pressure method and the melt is acted upon by compacting after the casting.

High-strength a356 alloy and preparation method thereof

A high-strength A356 alloy and a preparation method thereof are disclosed. Modifiers Ba and Zr are added to improve the as-cast structure of the alloy. The high-pressure solidified A356 alloy prepared by a high-pressure solidification technology has finer grains, and the elements such as Mg and Si have higher supersaturated solubility in a matrix.

ALUMINUM ALLOY WIRE

An aluminum alloy wire having excellent bending characteristics, strength, and electrically conductive characteristics, an aluminum alloy stranded wire, a covered electric wire including the above-described alloy wire or stranded wire, and a wire harness including the covered electric wire are provided. The aluminum alloy wire contains not less than 0.1% and not more than 1.5% by mass of Mg, not less than 0.03% and not more than 2.0% of Si, not less than 0.05% and not more than 0.5% of Cu, and a remainder including Al and an impurity, satisfies 0.8≦Mg/Si ratio by mass ≦3.5, has an electrical conductivity from 35% IACS to 58% IACS, a tensile strength from 150 MPa to 400 MPa, and an elongation not less than 2%. The aluminum alloy wire is manufactured through the steps of casting→rolling→wiredrawing→solution heat treatment. 17-. (canceled)82. A method for manufacturing an aluminum alloy wire () used as a conductor , comprising the steps of:forming a cast material by casting a molten aluminum alloy containing not less than 0.1% and not more than 1.5% by mass of Mg, not less than 0.03% and not more than 2.0% of Si, not less than 0.05% and not more than 0.5% of Cu, and a remainder including Al;forming a rolled material by rolling said cast material;forming a wiredrawn material by wiredrawing said rolled material; andforming a heat-treated material by subjecting said wiredrawn material to a solution heat treatment,said aluminum alloy wire having an electrical conductivity not less than 35% IACS and less than 58% IACS, a tensile strength not less than 150 MPa and not more than 400 MPa, and an elongation not less than 2%.9. The method for manufacturing an aluminum alloy wire according to claim 8 , whereinsaid step of forming a cast material and said step of forming a rolled material are successively performed to form a continuously cast and rolled material.10. The method for manufacturing an aluminum alloy wire according to claim 8 , whereinin said solution heat treatment, ...

Aluminum alloy cladding material for heat exchanger

A three-layer clad material includes a core material, a cladding material 1 , and a cladding material 2 , the core material including an aluminum alloy that includes 0.5 to 1.8% of Mn, and either or both of more than 0.05% and less than 0.2% of Cu, and 0.05 to 0.30% of Ti, with the balance being Al and unavoidable impurities, the cladding material 1 including an aluminum alloy that includes 3 to 10% of Si, and 1 to 10% of Zn, with the balance being Al and unavoidable impurities, and the cladding material 2 including an aluminum alloy that includes 3 to 13% of Si, and 0.05% or less of Cu, with the balance being Al and unavoidable impurities, wherein the Si content X (%) in the cladding material 1 and the Si content Y (%) in the cladding material 2 satisfy the value (Y-X) is −1.5 to 9%.

ALUMINUM ALLOY WIRE

An aluminum alloy wire manufacturing method comprises (A) a step for melting an aluminum alloy containing 0.40-0.55 mass % of Mg and 0.45-0.65 mass % of Si, the balance being obtained from Al and unavoidable impurities, (B) a step for casting molten metal of the aluminum alloy and rolling to form a rough-drawn wire rod, (C) a step for solutionizing the rough-drawn wire rod, (D) a step for drawing the rough-drawn wire rod after solutionizing to form a drawn wire rod with a wire diameter of 0.5 mm or less, and (E) a step for heat treatment so that internal strain is removed with substantially no deposition of MgSi. 1. An aluminum alloy wire formed by drawing an aluminum alloy comprising 0.40 to 0.55 mass % of Mg , 0.45 to 0.65 mass % of Si , and the balance including Al and unavoidable impurities , wherein{'sub': '2', 'a MgSi precipitate is not substantially present in an alloy after a final heat treatment.'}2. An aluminum alloy wire according to claim 1 , whereina wire diameter is 0.2 to 0.5 mm,a tensile strength is 350 MPa or more,an elongation is 6% or more, anda conductivity is 50% IACS or more. The present application is a Divisional Application of application Ser. No. 15/738,702, filed Dec. 21, 2017, which is a 371 of International Application No.: PCT/JP2016/002663, filed Jun. 2, 2016, which claims priority from Japanese Patent Application No. 2015-131922 filed on Jun. 30, 2015, the contents of which are incorporated herein by reference.The present invention relates to a method for producing an aluminum alloy wire and an aluminum alloy wire, and particularly relates to a method for producing an aluminum alloy wire and an aluminum alloy wire that are suitable in a wire harness application.In recent years, aluminum electric wires have been used instead of copper electric wires in the field of a wire harness for use in car interior wirings and the like of automobiles in terms of a reduction in weight. In-car wire harnesses are continuously subjected to vibration ...

BRAZING SHEET AND PRODUCTION METHOD

Brazing sheet having a core layer made of a first aluminium alloy, attached to one side of said core layer a sacrificial cladding made of a second aluminium alloy, and attached to the other side of said core layer a braze cladding made of a third aluminium alloy. The first aluminium alloy consists of: Si 0.2-1.0 wt %; Fe 0.15-0.9 wt %; Cu 0.2-0.9 wt %; Mn 1.0-1.6 wt %; Mg ≤0.3 wt %; Cr 0.05-0.15 wt %; Zr 0.05-0.25 wt %; Ti 0.05-0.25 wt %; other elements ≤0.05 wt % each and ≤0.2 wt % total; Al balance up to 100 wt %; the second aluminium alloy consists of: Si 0.45-1.0 wt %; Fe ≤0.4 wt %; Cu ≤0.05 wt %; Mn 1.2-1.8 wt %; Ti ≤0.10 wt %, Zn 1.3-5.5 wt %; Zr 0.05-0.20 wt %; other elements ≤0.05 wt % each and ≤0.2 wt % total; Al balance up to 100 wt %. Third aluminium alloy has a melting point lower than said first and second aluminium alloys. 2. Brazing sheet as claimed in claim 1 , wherein the second alloy comprises 2.0-3.0 wt % of Zn.3. Brazing sheet as claimed in claim 1 , wherein the first alloy comprises >0.20 wt % of Si.4. Brazing sheet as claimed in claim 3 , wherein the first alloy comprises 0.30-1.0 wt % of Si.5. Brazing sheet as claimed in claim 1 , wherein the first alloy comprises >0.2-0.7 wt % of Fe.6. Brazing sheet as claimed in claim 1 , wherein claim 1 , after brazing claim 1 , the core claim 1 , the residual braze cladding claim 1 , or both claim 1 , contains intermetallic particles comprising Al claim 1 , Fe claim 1 , Mn claim 1 , Cu and Cr.7. Brazing sheet as claimed in claim 1 , wherein the third alloy is an aluminium alloy comprising 4-15 wt % of Si.8. Brazing sheet as claimed in claim 1 , wherein the thickness of the brazing sheet is from 0.15 to 0.25 mm.9. Brazing sheet as claimed in claim 8 , wherein the thickness of the brazing sheet is from 0.18 to 0.22 mm.10. Brazing sheet as claimed in claim 1 , wherein the contents of Si and Mn in the first alloy are set so no sacrificial brown band is formed at brazing.11. Brazing sheet as claimed in claim 1 ...

DIE CASTING ALUMINUM ALLOY AND PRODUCTION METHOD THEREOF, AND COMMUNICATIONS PRODUCT

Embodiments of the present invention provide a die casting aluminum alloy, including the following components in percentage by mass: 11.0% to 14.0% of silicon; 0.1% to 0.9% of manganese; 0.1% to 1.0% of magnesium; 0.3% to 1.4% of iron; less than or equal to 0.2% of copper; and aluminum and inevitable impurities. The die casting aluminum alloy has good formability, heat conductivity, and corrosion resistance, and certain mechanical properties, which can avoid problems of a low yield of die-casting fittings, burn-in caused by severe heat emission of a product, corrosion in a coastal environment, assembly difficulties caused by insufficient mechanical properties, severe deformation in a wind load condition, and the like, so as to satisfy requirements of global delivery of complex communications products. 1. A die casting aluminum alloy , comprising the following components in percentage by mass:11.0% to 14.0% of silicon;0.1% to 0.9% of manganese;0.1% to 1.0% of magnesium;0.3% to 1.4% of iron;less than or equal to 0.2% of copper; and aluminum and inevitable impurities.2. The die casting aluminum alloy according to claim 1 , wherein a mass percentage of silicon is specifically 11.5% to 13.5%.3. The die casting aluminum alloy according to claim 2 , wherein the mass percentage of silicon is specifically 13%.4. The die casting aluminum alloy according to claim 1 , wherein a mass percentage of copper is specifically less than or equal to 0.15%.5. The die casting aluminum alloy according to claim 4 , wherein the mass percentage of copper is specifically less than or equal to 0.05%.6. The die casting aluminum alloy according to claim 5 , wherein the mass percentage of copper is specifically less than or equal to 0.01%.7. The die casting aluminum alloy according to claim 1 , wherein a mass percentage of manganese is specifically 0.3% to 0.7%.8. The die casting aluminum alloy according to claim 7 , wherein the mass percentage of manganese is specifically 0.45%.9. The die casting ...

HIGH STRENGTH AND CORROSION RESISTANT ALLOY FOR USE IN HVAC&R SYSTEMS

Provided herein are new aluminum alloy materials which are useful in replacing copper in a heat exchanger. The aluminum alloy materials are also useful in manufacturing components of heating, ventilating, air-conditioning, and refrigeration (HVAC&R) systems for indoor and outdoor units. The alloys are well-suited for tubing in a heat exchanger. The alloys display high strength and good corrosion resistance. Also provided herein are methods for making the aluminum alloy materials. 1. An aluminum alloy comprising the following composition: Cu: about 0.01 wt. %-about 0.6 wt. % , Fe: about 0.05 wt. %-about 0.40 wt. % , Mg: about 0.05 wt. %-about 0.8 wt. % , Mn: about 0.001 wt. %-about 2.0 wt. % , Si: about 0.05 wt. %-about 0.25 wt. % , Ti: about 0.001 wt. %-about 0.20 wt. % , Zn: about 0.001 wt. %-0.20 wt. % , Cr: 0 wt. %-about 0.05 wt. % , Pb: 0 wt. %-about 0.005 wt. % , Ca: 0 wt. %-about 0.03 wt. % , Cd: 0 wt. %-about 0.004 wt. % , Li: 0 wt. %-about 0.0001 wt. % , Na: 0 wt. %-about 0.0005 wt. % , other elements up to about 0.03 wt. % individually and up to about 0.10% total , and the remainder Al.2. The aluminum alloy of claim 1 , comprising the following composition: Cu: about 0.05 wt. %-about 0.10 wt. % claim 1 , Fe: about 0.27 wt. %-about 0.33 wt. % claim 1 , Mg: about 0.46 wt. %-about 0.52 wt. % claim 1 , Mn: about 1.67 wt. %-about 1.8 wt. % claim 1 , Si: about 0.17 wt. %-about 0.23 wt. % claim 1 , Ti: about 0.12 wt. %-about 0.17 wt. % claim 1 , Zn: about 0.12 wt. %-about 0.17 wt. % claim 1 , Cr: 0 wt. %-about 0.01 wt. % claim 1 , Pb: 0 wt. %-about 0.005 wt. % claim 1 , Ca: 0 wt. %-about 0.03 wt. % claim 1 , Cd: 0 wt. %-about 0.004 wt. % claim 1 , Li: 0 wt. %-about 0.0001 wt. % claim 1 , Na: 0 wt. %-about 0.0005 wt. % claim 1 , other elements up to 0.03 wt. % individually and up to 0.10 wt. % total claim 1 , and the remainder Al.3. The aluminum alloy of claim 2 , wherein Cu is present in an amount of about 0.07% claim 2 , Fe is present in an amount of about 0.3% ...

ALUMINUM ALLOY FOR DIECASTING HAVING IMPROVED THERMAL CONDUCTIVITY AND CASTABILITY, HEAT SINK FOR BATTERY USING ALUMINUM ALLOY FOR DIECASTING AND MANUFACTURING METHOD THEREOF

The present invention relates to an aluminum alloy for diecasting having improved thermal conductivity and castability. Provided herein is an aluminum alloy for diecasting having improved thermal conductivity and castability by forming an aluminum alloy containing about 10.0 wt % to about 12.0 wt % of silicon (Si), about 0.5 wt % to about 0.8 wt % of iron (Fe), about 0.3 wt % or less of impurities, and remainder of aluminum (Al), a heat sink for a battery manufactured using the aluminum alloy for diecasting, and a manufacturing method thereof. 1. An aluminum alloy for diecasting , comprising:about 10.0 wt % to about 12.0 wt % of silicon (Si);about 0.5 wt % to about 0.8 wt % of iron (Fe);about 0.3 wt % or less of impurities; and remainder of aluminum (Al).2. The aluminum alloy for diecasting of claim 1 , wherein the impurities include one or more elements selected from zinc (Zn) claim 1 , copper (Cu) claim 1 , manganese (Mn) claim 1 , magnesium (Mg) claim 1 , chromium (Cr) claim 1 , nickel (Ni) claim 1 , titanium (Ti) claim 1 , boron (B) claim 1 , and tin (Sn).3. The aluminum alloy for diecasting of claim 1 , wherein thermal conductivity is from about 165 W/(m·K) or more.4. A heat sink for a battery claim 1 , comprising:a radiation fin part including a plurality of radiation fins that radiate heat by contacting a cooling fluid; anda thin wall part surface-contacting battery cells to transfer heat of the battery cells to the radiation fin part that is connected thereon,wherein fastening holes for performing insert injection molding of a plastic structure are formed at both ends of the thin wall part, and the radiation fin part and the thin wall part are integrally manufactured using a single material by diecasting.5. The heat sink for a battery of claim 4 , wherein two or more fastening holes are formed at one side end of the thin wall part.6. The heat sink for a battery of claim 4 , wherein the radiation fin part includes the plurality of radiation fins formed to be ...

HIGH-ELASTICITY ALUMINUM ALLOY AND METHOD OF MANUFACTURING THE SAME

Disclosed is a high-elasticity aluminum alloy which contains carbide to improve elongation. Further, a method of manufacturing the high-elasticity aluminum alloy is provided. The method includes steps of: charging pure aluminum and an Al-5B master alloy in a melting furnace to form a first molten metal; charging an Al-10Ti master alloy in the first molten metal to form a second molten metal; charging silicon (Si) element in the second molten metal to form a third molten metal; adding carbon (C) to the third molten metal to form a fourth molten metal; and tapping the fourth molten metal into a mold to cast the fourth molten metal. 14.-. (canceled)5. A method of manufacturing a high-elasticity aluminum alloy , comprising steps of:charging pure aluminum and an Al-5B master alloy in a melting furnace to form a first molten metal;charging an Al-10Ti master alloy in the first molten metal to form a second molten metal;charging silicon (Si) element in the second molten metal to form a third molten metal;adding carbon (C) to the third molten metal to form a fourth molten metal; andtapping the fourth molten metal into a mold to cast the fourth molten metal.6. The method of claim 5 , wherein claim 5 , in the step of forming the fourth molten metal claim 5 , carbon (C) is added in an amount of about 0.3 to 0.5 wt %.7. The method of claim 5 , wherein the high-elasticity aluminum alloy comprises titanium (Ti) in an amount of about 4 to 6 wt %; boron (B) in an amount of about 0.5 to 1.5 wt %; silicon (Si) in an amount of about 10 to 12 w %; a balance of aluminum; and inevitable impurities.8. (canceled) The present application claims priority of Korean Patent Application Number 10-2014-0053361 filed on May 2, 2014, the entire contents of which application are incorporated herein for all purposes by this reference.The present invention relates to a high-elasticity aluminum alloy and a method of manufacturing the same. More particularly, the high-elasticity aluminum alloy may ...

HIGHLY RIGID SHEET FOR CAR BODY

The invention relates to a thin sheet metal for a reinforcing or structural part of a car body, consisting of an aluminium alloy of the following composition, in weight per cent: Si: 10-14; Mg: 0.05-0.8; Cu: 0-0.2; Fe: 0-0.5; Mn: 0-0.5; optionally at least one element selected from Na, Ca, Sr, Ba, Yt and Li, the quantity of said element if selected being between 0.01 and 0.05 for Na, Ca, Sr, Ba and Yt and between 0.1 and 0.3 for Li; Sb: 0-0.05; Cr: 0-0.1; Ti: 0-0.2; other elements amounting to <0.05 each and a total of <0.15; and the remainder being aluminium. The invention also relates to the method for producing such a sheet metal and to the use of such a sheet metal for producing a reinforcing or strucural part for a car body. The sheet metals according to the invention advantageously have a modulus of elasticity of at least 77 GPa. 1. Sheet for a reinforcing or structural part of a car body , comprising an aluminium alloy of the following composition , in weight per cent:Si: 10-14,Mg: 0.05-0.8,Cu: 0-0.2,Fe: 0-0.5,Mn: 0-0.5,optionally at least one element selected from Na, Ca, Sr, Ba, Yt and Li, the quantity of said element if selected being between 0.01 and 0.05 for Na, Ca, Sr, Ba and Yt and between 0.1 and 0.3 for Li,Sb: 0-0.05,Cr: 0-0.1,Ti: 0-0.2,other elements <0.05 each and <0.15 total, remainder aluminium.2. Sheet according to claim 1 , wherein Si: 11-13 weight %.3. Sheet according to either claim 1 , wherein Cu: 0.03-0.15 weight %.4. Sheet according to claim 1 , wherein Fe: 0.1-0.3 weight %.5. Sheet according to claim 1 , Mn: 0.05-0.2 weight %.6. Sheet according to claim 1 , wherein Mn: <0.05 weight %.7. Sheet according to claim 1 , wherein Sr: 0.01-0.05 weight %.8. Sheet according to claim 1 , wherein Cr: 0.01-0.05 weight % and/or Ti 0.01-0.15 by weight.9. Sheet according to claim 1 , for which the magnesium content is between 0.3 and 0.6 by weight claim 1 , having a modulus of elasticity measured according to ASTM standard 1876 equal to at least 77 GPa ...

ALUMINUM ALLOY ARTICLE HAVING LOW TEXTURE AND METHODS OF MAKING THE SAME

Provided herein are aluminum alloys having a uniform surface recrystallization texture. The uniform surface recrystallization texture can be provided by methods described herein. Also provided herein are methods to produce aluminum alloys having a uniform surface recrystallization texture, which may include homogenizing and hot rolling an aluminum cast product to a final gauge at a temperature greater than or about a recrystallization temperature. 1. A method for making an aluminum alloy rolled article , comprising:providing a molten aluminum alloy composition;continuously casting the molten aluminum alloy composition to form an aluminum alloy cast product;homogenizing the aluminum alloy cast product to form a homogenized aluminum alloy cast product; androlling the homogenized aluminum alloy cast product to form an aluminum alloy rolled article having a thickness of between 0.01 mm and 7 mm, wherein the rolling is carried out at a temperature of between 300° C. and 550° C.2. The method of claim 1 , wherein homogenizing the aluminum alloy cast product includes controlling a homogenization temperature of the aluminum alloy cast product after exiting from a continuous caster claim 1 , wherein the homogenization temperature is between 400° C. and 600° C.3. The method of claim 1 , wherein the aluminum alloy cast product is not cooled to below 400° C. before the homogenizing.4. The method of claim 1 , wherein rolling the homogenized aluminum alloy cast product includes controlling a rolling temperature during rolling claim 1 , wherein a starting temperature of the rolling is between 400° C. and 550° C. claim 1 , and wherein an exit temperature of the rolling is between 300° C. and 500° C.5. The method of claim 1 , wherein rolling the homogenized aluminum alloy cast product includes maintaining the temperature at or above a recrystallization temperature of the homogenized aluminum alloy cast product.6. The method of claim 1 , further comprising claim 1 , following the ...

High-strength aluminum alloy extruded material that exhibits excellent formability and method for producing the same

An aluminum alloy extruded material exhibits excellent hardenability that ensures that high strength can be obtained by air-cooling immediately after extrusion and artificial aging, and exhibits excellent formability (e.g., press formability). An aluminum alloy includes 0.30 to 1.00 mass % of Mg, 0.6 to 1.40 mass % of Si, 0.10 to 0.40 mass % of Fe, 0.10 to 0.40 mass % of Cu, 0.005 to 0.1 mass % of Ti, and 0.3 mass % or less of Mn, with the balance being aluminum and unavoidable impurities, the aluminum alloy having a stoichiometric Mg 2 Si content of 0.60 to 1.30 mass % and an excess Si content of 0.30 to 1.00 mass %.

HIGH STRENGTH 6XXX AND 7XXX ALUMINUM ALLOYS AND METHODS OF MAKING THE SAME

Provided are new high strength 6xxx and 7xxx series aluminum alloys and methods of making aluminum products thereof. These aluminum products may be used to fabricate components which may replace steel in a variety of applications including the automotive industry. In some examples, the disclosed high strength 6xxx and 7xxx series aluminum alloys can replace high strength steels with aluminum. In one example, steels having a yield strength below 450 MPa may be replaced with the disclosed 6xxx or 7xxx series aluminum alloys without the need for major design modifications. 1. A method of making an aluminum alloy product , comprising:casting a 6xxx series aluminum alloy;heating the cast aluminum alloy to a temperature of 510° C. to 580° C.;maintaining the cast aluminum alloy at the temperature of 510° C. to 580° C. for at least 0.5 hours;hot rolling the cast aluminum alloy into the aluminum alloy product, the rolled aluminum alloy product having a thickness up to 12 mm at a hot roll exit temperature of 250° C. to 400° C.;cold rolling to a first gauge;heat treating the aluminum alloy product at a temperature of 520° C. to 590° C.;quenching the aluminum alloy product to ambient temperature;under-ageing the aluminum alloy product; andcold rolling the aluminum alloy product.2. A method of making an aluminum alloy product , comprising:casting a 6xxx series aluminum alloy;heating the cast aluminum alloy to a temperature of 510° C. to 580° C.;maintaining the cast aluminum alloy at the temperature of 510° C. to 580° C. for 0.5 to 100 hours;hot rolling the cast aluminum alloy into the aluminum alloy product and quenching, the rolled aluminum alloy product having a thickness up to 12 mm at a quenching exit temperature of 150° C. to 300° C.;under-ageing the aluminum alloy product; andcold rolling the aluminum alloy product.3. The method of claim 2 , further comprising:subjecting the cast aluminum alloy to a post-casting quenching before heating the cast aluminum alloy to a ...

ADVANCED CAST ALUMINUM ALLOYS FOR AUTOMOTIVE ENGINE APPLICATION WITH SUPERIOR HIGH-TEMPERATURE PROPERTIES

A process of heat treating an Al—Si—Cu—Mg—Fe—Zn—Mn—Sr-TMs alloy, where the TMs include Zr and V, includes heat treating the alloy to produce a microstructure having a matrix with Zr and V in solid solution after solidification. The solid solution Zr, in wt. %, is at least 0.16%, the solid solution V, in wt. %, is at least 0.20% after heat treatment, and Cu and Mg are dissolved into the matrix during the heat treatment and subsequently precipitated during the heat treatment. The composition of the alloy, in wt. %, includes Cu between 3.0-3.5%, Fe between 0-0.2%, Mg between 0.24-0.35%, Mn between 0-0.40%, Si between 6.5-8.0%, Sr between 0-0.025%, Ti between 0.05-0.2%, V between 0.20-0.35%, Zr between 0.2-0.4%, maximum 0.5% total of other alloying elements, and balance Al. 1. A process of heat treating an Al—Si—Cu—Mg—Fe—Zn—Mn—Sr-transition metals (TMs) alloy , wherein the TMs include Zr and V , the process comprising heat treating the alloy to produce a microstructure having a matrix with:Zr and V in solid solution after solidification;solid solution Zr, in wt. %, of at least 0.16% and solid solution V, in wt. %, of at least 0.20% after heat treatment; andCu and Mg dissolved into the matrix during the heat treatment and subsequently precipitated during the heat treatment.2. The process according to claim 1 , wherein the composition of the alloy claim 1 , in wt. % claim 1 , comprises:Cu between 3.0-3.5%;Fe between 0-0.2%;Mg between 0.24-0.35%;Mn between 0-0.40%;Si between 6.5-8.0%;Sr between 0-0.025%;Ti between 0.05-0.2%;V between 0.20-0.35%;Zr between 0.2-0.4%;maximum 0.5% total of other alloying elements; and balance Al,and the alloy is formed by semi-permanent mold casting followed by the heat treating of the alloy, wherein the heat treating is a three-stage heat treatment.3. The process according to claim 2 , wherein:the Cu is between 3.2-3.5%;the Mg is between 0.24-0.28%;the Mn is between 0-0.15%;the Si is between 7.2-7.7%;the Ti is between 0.08-0.1%;the V is ...