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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 4708. Отображено 100.
05-01-2012 дата публикации

Resonator

Номер: US20120001700A1
Автор: Robert J. P. Lander
Принадлежит: NXP BV

A method of manufacturing a MEMS resonator formed from a first material having a first Young's modulus and a first temperature coefficient of the first Young's modulus, and a second material having a second Young's modulus and a second temperature coefficient of the second Young's modulus, a sign of the second temperature coefficient being opposite to a sign of the first temperature coefficient at least within operating conditions of the resonator. The method includes the steps of forming the resonator from the first material; applying the second material to the resonator; and controlling the quantity of the second material applied to the resonator by the geometry of the resonator.

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Номер записи: 1
15-03-2017 дата публикации

Устройство для исследования процесса кристаллизации слитков в изложнице

Номер: RU0000169365U1
Автор: Дмитрий Владимирович Руцкий, Николай Александрович Зюбан, Сергей Борисович Гаманюк, Станислав Владимирович Палаткин
Принадлежит: Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ)

Полезная модель относится к металлургии, в частности к устройствам для исследования кристаллизации слитков.Техническим результатом является возможность изучать влияние изменения скорости разливки расплава на процессы кристаллизации и структурообразования и прогнозировать расположение и развитие усадочных дефектов в реальном слитке.Технический результат достигается тем, что к верхней части боковых стенок прикреплена подставка со сквозным отверстием, на которой закреплена промежуточная воронка, представляющая собой металлический резервуар с днищем, в нижней части которого установлен шиберный затвор, при этом в днище выполнено выпускное отверстие, в которое установлен съемный разливочный стакан, внутренний диаметр которого определяется соотношением:где d - внутренний диаметр разливочного стакана, мм;L - ширина металлического каркаса, мм. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 169 365 U1 (51) МПК B22D 7/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21)(22) Заявка: 2016120201, 24.05.2016 (24) Дата начала отсчета срока действия патента: 24.05.2016 15.03.2017 Приоритет(ы): (22) Дата подачи заявки: 24.05.2016 Адрес для переписки: 400005, г. Волгоград, пр. Ленина, 28, отдел интеллектуальной собственности ВолгГТУ (56) Список документов, цитированных в отчете о поиске: RU 110667 U1, 27.11.2011. RU 141550 U1, 10.06.2014. RU 139179 U1, 10.04.2014. US 2014083645 A1, 27.03.2014. U 1 1 6 9 3 6 5 R U (57) Формула полезной модели Устройство для исследования процесса кристаллизации слитков в изложнице, содержащее металлический каркас с водоохлаждаемыми полостями, по периметру которого закреплены прозрачные стекла, прибыльную надставку, штуцера для подвода и отвода воды, при этом металлический каркас выполнен разъемным и состоит из донной части и боковых стенок, соединенных с донной частью шарнирно с возможностью наклона под углом от 42° до 116°, отличающееся тем, что к верхней части боковых стенок ...

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Номер записи: 2
25-10-2012 дата публикации

Method for manufacturing a metal ingot comprising a bore, and associated ingot and molding device

Номер: US20120269672A1
Автор: Bruno Savalli, Franck Braconnier, Gilbert Lacagne, Jean-Luc Dabin, Maxime Leroy, Thierry Faudan
Принадлежит: ARCELORMITTAL INVESTIGACIÓN Y DESARROLLO SL

In said method, the mold ( 1 ), which includes a mold cavity ( 3 A) defined by an ingot mold ( 2 ), a core ( 4 ) and a bottom ( 27 ), is arranged inside a vacuum-cast enclosure ( 5 ) including a means ( 9 ) of introducing molten metal at the upper portion thereof. A means ( 11 A, 11′ ) for receiving and distributing molten metal, which is suitable for receiving the molten steel introduced into the vacuum-cast enclosure ( 5 ) and for redistributing the molten metal in the mold cavity ( 3 A), is arranged at the upper portion of the mold cavity ( 3 A). The molten metal is introduced into the enclosure ( 5 ) so as to form a first jet of molten steel ( 50 ) under a vacuum, in order to pour the molten metal over the receiving and distributing means ( 11 A, 11′ ) and to form at least one second jet of molten steel ( 52 ) under a vacuum, which originates with the receiving and distributing means ( 11 A, 11′ ) and terminates in the mold cavity ( 3 A) so as to fill the mold cavity ( 3 A) with molten metal.

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Номер записи: 3
08-11-2012 дата публикации

Systems and Methods for Forming and Processing Alloy Ingots

Номер: US20120279678A1
Автор: Ramesh S. Minisandram
Принадлежит: ATI Properties LLC

Processes and methods related to producing, processing, and hot working alloy ingots are disclosed. An alloy ingot is formed including an inner ingot core and an outer layer metallurgically bonded to the inner ingot core. The processes and methods are characterized by a reduction in the incidence of surface cracking of the alloy ingot during hot working.

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Номер записи: 4
07-02-2013 дата публикации

Homogenization and heat-treatment of cast metals

Номер: US20130032305A1
Автор: Robert Bruce Wagstaff, Wayne J. Fenton
Принадлежит: Novelis Inc Canada

A method of casting a metal ingot with a microstructure that facilitates further working, such as hot and cold rolling. The metal is cast in a direct chill casting mold, or the equivalent, that directs a spray of coolant liquid onto the outer surface of the ingot to achieve rapid cooling. The coolant is removed from the surface at a location where the emerging embryonic ingot is still not completely solid, such that the latent heat of solidification and the sensible heat of the molten core raises the temperature of the adjacent solid shell to a convergence temperature that is above a transition temperature for in-situ homogenization of the metal. A further conventional homogenization step is then not required. The invention also relates to the heat-treatment of such ingots prior to hot working.

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Номер записи: 5
21-03-2013 дата публикации

Arc melting furnace device

Номер: US20130068417A1
Автор: Akihisa Inoue, Masaki Nagata, Motohiro Kameyama, Yoshihiko Yokoyama
Принадлежит: Diavac Ltd, Tohoku Techno Arch Co Ltd

An arc melting furnace apparatus is provided which reduces an operation burden on a worker and shortens working hours. An arc melting furnace apparatus 1 includes a housing 2 having formed therein a melting chamber 2 a , a hearth 4 provided within the melting chamber 2 a and having a recessed portion 4 a , and a heating mechanism 10 for heating and melting a metal material supplied into the recessed portion 4 to generate an alloy ingot. The apparatus comprises a turning member 23 rotatably supported on a supporting member 21 standing within the melting chamber 2 a , a perimeter edge of the turning member 23 rotating and moving along the inner surface of the recessed portion 4 a to lift the alloy ingot generated in the recessed portion 4 a above the hearth 4 and turn it over, and a resilient turn-over assisting member 24 provided above an upper end of the recessed portion 4 a . Further, the turn-over assisting member 24 is arranged to flex by a predetermined amount when the alloy ingot abuts it, and to return to its original state from the flexed state so that the alloy ingot is urged to drop into the recessed portion 4 a.

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Номер записи: 6
02-05-2013 дата публикации

TRANSFERRING MOLTEN METAL FROM ONE STRUCTURE TO ANOTHER

Номер: US20130105102A1
Автор: Cooper Paul V.
Принадлежит:

A system for transferring molten metal from a vessel and into one or more of a ladle, ingot mold, launder, feed die cast machine or other structure is disclosed. The system includes at least a vessel for containing molten metal, an overflow (or dividing) wall, and a device or structure, such as a molten metal pump, for generating a stream of molten metal. The dividing wall divides the vessel into a first chamber and a second chamber, wherein part of the second chamber has a height H. The device for generating a stream of molten metal, which is preferably a molten metal pump, is preferably positioned in the first chamber. When the device operates, it generates a stream of molten metal from the first chamber and into the second chamber. When the level of molten metal in the second chamber exceeds H, molten metal flows out of the vessel and into another structure, such as into one or more ladles and/or one or more launders. 1. A method for transferring molten metal from a first vessel , the first vessel comprising at least a first chamber and a second chamber , the first chamber and second chamber being separated by a dividing wall , the method comprising:pumping molten metal from the first chamber past the dividing wall into the second chamber raising the level of molten metal in the second chamber until it flows out of the second chamber and into a second vessel.2. The method of wherein the pumping is not continuous.3. The method of wherein the pumping is performed by a transfer pump.41. The method of wherein the dividing wall includes an opening positioned below H.5. The method of wherein the pumping is performed by a circulation pump.6. The method of wherein the pumping is performed by a gas-release pump.7. The method of further comprising the step of measuring an amount of molten metal within one or more of the launder claim 3 , ladle claim 3 , and ingot mold.8. The method of further comprising the step of adjusting the speed of the molten metal pump in response ...

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Номер записи: 7
09-05-2013 дата публикации

Graphite Crucible for Silicone Crystal Production and Method of Ingot Removal

Номер: US20130111730A1
Автор: Elliott Ryan Christopher, Francis Andrew Justin, III Robert Anderson, Kruss Oliver, Reynolds, Shives Gary Dale, Subramanian Prashanth
Принадлежит: GrafTech International Holdings Inc.

A graphite crucible for processing silicon includes a bottom wall including a bottom wall interior facing surface. A plurality of side walls extend upwardly from the bottom wall, each side wall including a side wall interior facing surface. A contact point is provided on the side wall to prevent upward movement of the crucible during ingot removal. The side walls have a coefficient of thermal expansion perpendicular to the solidification direction that is less than 95% of the coefficient of thermal expansion of the silicon processed therein. Also, the side walls and the bottom wall have a thru-plane thermal conductivity from about 90 to about 160 W/m·K at room temperature. 1. A graphite crucible for processing silicon , the crucible comprising:a bottom wall including a bottom wall interior facing surface;a plurality of side walls extending upwardly from said bottom wall, each said side wall including a side wall interior facing surface, said side walls have a coefficient of thermal expansion perpendicular to the solidification direction that is less than 95% of the coefficient of thermal expansion of the silicon processed therein; and wherein said side walls and said bottom wall includes a thru-plane thermal conductivity from about 90 to about 160 W/m·K at room temperature, and;wherein at least one of said side walls include contact point configured to engage a coupling device to prevent movement of said crucible during removal of a silicon ingot.2. The graphite crucible according to wherein said coefficient of thermal expansion of said side walls is from about 1×10/° C. to about 3×10/° C.3. The graphite crucible according to wherein said coefficient of thermal expansion of said side walls is from about 2×10/° C. to about 2.5×10/° C.4. The graphite crucible according to wherein said thru-plane thermal conductivity of said side walls and said bottom wall is from about 120 to about 130 W/m·K.5. The graphite crucible according to wherein each said side wall interior ...

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Номер записи: 8
22-08-2013 дата публикации

CLEAN METAL INGOT MOLD

Номер: US20130213598A1
Автор: Zhu Shucheng
Принадлежит: XIXIA DRAGON INTO SPECIAL MATERIAL CO., LTD.

A clean metal ingot mold comprises an ingot mold body and an insulating riser arranged on the ingot mold body. The bottom mold plate of the ingot mold is provided with at least a ridge connected thereto. The region having a V-shape containing impurities produced during the crystallization process of the liquid metal moves upwards because of the ridge, and then the impurities depart from the centre of the cast ingot and the impurities are more centralized. A water-cooling device is arranged in the ridge to allow the temperature of the metal in the ingot mold to decrease rapidly, and the crystallization process of the metal to be rapid. 1. A clean metal ingot mold comprising an ingot mold body and an insulating riser arranged on the ingot mold body , wherein the bottom mold plate of the ingot mold is provided with at least a ridge connected to the bottom mold plate.2. A clean metal ingot mold of claim 1 , wherein one of the ridges is a basis ridge and is arranged along the midline of the bottom mold plate claim 1 , and the rest of the ridge ridges is vertical to the basis ridge.3. A clean metal ingot mold of claim 1 , wherein a water-cooled device is arranged within the ridge.4. A clean metal ingot mold of claim 1 , wherein an isolated heating and heat preservation plate is arranged on the ridge claim 1 , and the inner space of the ingot mold body is divided into a plurality of separate body cavity unit by the ridge and isolated heating and heat preservation plate.5. A clean metal ingot mold of claim 4 , wherein the isolated heating and heat preservation plate is a high-temperature resistant plate.6. A clean metal ingot mold of claim 5 , wherein a heating element is arranged within the high-temperature resistant plate.7. A clean metal ingot mold of claim 4 , wherein a casting system is arranged on the ingot mold body.8. A clean metal ingot mold of claim 4 , wherein the ingot mold body is a water-cooled ingot mold.9. A clean metal ingot mold of claim 4 , wherein the ...

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Номер записи: 9
22-08-2013 дата публикации

Transferring molten metal using non-gravity assist launder

Номер: US20130214014A1
Автор: Paul V. Cooper
Принадлежит: Individual

A system and method for transferring molten metal from a vessel and into a launder is disclosed. The system includes at least a vessel for containing molten metal, an overflow (or dividing) wall, and a device or structure, such as a molten metal pump, for generating a stream of molten metal. The dividing wall divides the vessel into a first chamber and a second chamber, wherein part of the second chamber has a height H 2 . The device for generating a stream of molten metal, which is preferably a molten metal pump, is preferably positioned in the first chamber. When the device operates, it generates a stream of molten metal from the first chamber and into the second chamber. When the level of molten metal in the second chamber exceeds H 2 , molten metal flows out of the vessel and into the launder. The launder has a horizontal angle of between 0° and −10° to help prevent dross from being pulled by gravity into downstream vessels.

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Номер записи: 10
26-09-2013 дата публикации

METHOD OF PRODUCING INGOT WITH VARIABLE COMPOSITION USING PLANAR SOLIDIFICATION

Номер: US20130248133A1
Автор: Boylstein Ronald E., Chu Men G., Sawtell Ralph R.
Принадлежит: ALCOA INC.

Molten metal of a first composition is fed into a mold cavity, via a first control apparatus, wherein the control apparatus is open, wherein the feeding comprises flowing out of a first feed chamber. The first control apparatus is closed. A second control apparatus is opened. Molten metal of a second composition is fed into the mold cavity, via the second control apparatus, wherein at least a portion of the metal of the first composition in the mold cavity is sufficiently molten so that an initial feed of molten metal of the second composition mixes with the molten metal of the first composition in the mold cavity, wherein the feeding comprises flowing out of a second feed chamber, wherein the second composition is different from the first composition. An ingot is removed from the mold cavity, wherein the ingot has a top section, a middle section, and a bottom section, wherein the bottom section is composed of metal of the first composition, wherein the top section is composed of metal of the second composition, wherein the middle section is composed of a mixture of metal of the first composition and the second composition. 1. A method of casting metal , comprising the following steps:feeding a molten metal of a first composition from a first feed chamber at a predetermined flow rate into a mixing apparatus;feeding the molten metal from the mixing apparatus into a mold cavity;closing the first feed chamber;feeding a molten metal of a second composition at a predetermined flow rate into the mixing apparatus, wherein the first composition is different from the second composition;wherein the molten metal of the first and second compositions are aluminum alloys, removing an ingot from the mold cavity, wherein the ingot has a thickness, a top section, a middle section, and a bottom section, wherein the bottom section is composed of metal of the first composition, wherein the top section is composed of the metal of the second composition, wherein the middle section of the ...

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Номер записи: 11
14-11-2013 дата публикации

Molten metal transfer vessel and method of construction

Номер: US20130299525A1
Автор: Paul V. Cooper, Vincent D. Fontana
Принадлежит: Molten Metal Equipment Innovations LLC

The invention relates to systems for transferring molten metal from one structure to another. Aspects of the invention include a transfer chamber constructed inside of or next to a vessel used to retain molten metal. The transfer chamber is in fluid communication with the vessel so molten metal from the vessel can enter the transfer chamber. A powered device, which may be inside of the transfer chamber, moves molten metal upward and out of the transfer chamber and preferably into a structure outside of the vessel, such as another vessel or a launder.

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Номер записи: 12
12-12-2013 дата публикации

MELTING FURNACE FOR PRODUCING METAL

Номер: US20130327493A1
Автор: Oda Takashi, Shiraki Takeshi, Tanaka Hisamune, Yamamoto Norio
Принадлежит: TOHO TITANIUM CO., LTD.

In production of a reactive metal using a melting furnace for producing metal having a hearth, ingots can be efficiently produced by efficiently cooling the ingots extracted from the mold provided in the melting furnace. In addition, an apparatus structure in which multiple ingots can be produced with high efficiency and high quality from one hearth, is provided. A melting furnace for producing metal is provided, the furnace has a hearth for having molten metal formed by melting raw material, a mold in which the molten metal is poured, an extracting jig which is provided below the mold for extracting ingot cooled and solidified downwardly, a cooling member for cooling the ingot extracted downwardly of the mold, and an outer case for keeping the hearth, the mold, the extracting jig, and the cooling member separated from the air, wherein at least one mold and extracting jig are provided in the outer case, and the cooling member is provided between the outer case and the ingot, or between the multiple ingots. 1. A melting furnace for producing metal , comprising:a hearth for holding molten metal formed by melting raw material,a mold in which the molten metal is poured,an extracting jig for extracting an ingot cooled and solidified downwardly, which is provided below the mold,a cooling member for cooling the ingot extracted downwardly of the mold, andan outer case for keeping the hearth, the mold, the extracting jig, and the cooling member separated from the air,wherein the cooling member is provided between the outer case and the ingot, while the cooling member extends along the extracting direction of the ingot with a certain gap from the ingot surface.2. (canceled)3. The melting furnace for producing metal claim 1 , according to claim 1 , wherein the cooling member surrounds the entire circumference or a part of the circumference of the ingot claim 1 , viewed in a cross section vertical to the extracting direction of the ingot.4. The melting furnace for producing ...

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Номер записи: 13
30-01-2014 дата публикации

Titanium slab for hot rolling use and method of production of same

Номер: US20140027024A1
Автор: Hideki Fujii, Kazuhiro Takahashi, Tomonori Kunieda, Yoshitsugu Tatsuzawa
Принадлежит: Individual

A titanium slab for hot rolling comprised of a titanium slab obtain by smelting commercially pure titanium, wherein even if the breakdown process is omitted, the strip shaped coil after hot rolling is excellent in surface properties and a method of smelting that titanium slab are provided. The titanium slab according to the present invention is a titanium slab for hot rolling obtained by smelting commercially pure titanium including the β phase stabilizing element Fe, wherein the formation of coarse β phases is suppressed by making the average Fe concentration down to 10 mm from the surface layer of the surface which corresponds to at least the rolling surface of the titanium slab 0.01 mass % or less. A titanium slab obtained by smelting commercially pure titanium can be obtained by cooling until the surface becomes the β transformation point or less, then reheating it to the β transformation point or more, and gradually cooling from the slab surface layer.

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Номер записи: 14
13-02-2014 дата публикации

MACHINE FOR FORMING METAL BARS

Номер: US20140041825A1
Автор: Faoro Giovanni
Принадлежит: IECO KEEPS ON IMPROVING S.R.L.

There is provided a machine for forming metal bars particularly suitable for melting and the subsequent continuous solidification of precious metal such as gold, silver, precious alloys, as well as other pure metals or different alloys, in the form of powder, grits or swarf of various sizes, for producing ingots having weights varying from 50 g to 50 kg. The machine having six operating stations arranged in succession. 116-. (canceled)17100. A machine for forming metal bars , suitable for melting and the subsequent continuous solidification of precious metal including gold , silver , precious alloys , as well as other pure metals or different alloys , in the form of powder , grits or swarf of various sizes for producing ingots having mass varying from 50 g to 50 kg , said machine () having six operating stations arranged in succession comprising:{'b': 101', '4', '2, 'a first station (), defined as a loading area, including a pouring element “A”, which deposits the solid metal in the ingot mold and a dosage element “B” adapted to allow adding a specific chemical additive which interacts with the crystalline structure of the metal, there being present a pushing device for moving all ingot molds forward over the entire operating cycle, and a cover () for closing the filled ingot mold and including spacers () formed of refractory material for maintaining a predetermined distance between the single ingot molds or between groups of ingot molds;'}{'b': '102', 'a second station (), including a melting furnace, where the metal contained in the ingot mold is melted, according to predefined temperature/time parameters;'}{'b': '103', 'a third station (), defined as a secondary addition, wherein is provided a dosage element “C” which provides for depositing a chemical additive on the still liquid metal;'}{'b': '104', 'a fourth station (), defined as a solidification area, wherein is provided a channel or a cooling bath, whereby there occurs the solidification of the metal in the ...

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Номер записи: 15
01-01-2015 дата публикации

Low-cost high-plasticity wrought magnesium alloy and its preparation method

Номер: US20150000800A1
Автор: Aitao TANG, Fusheng PAN, Jia SHE, Jian Peng, Xianhua CHEN
Принадлежит: Chongqing University

The invention belongs to magnesium alloy design field, and relates to a low-cost high-plasticity wrought magnesium alloy. The magnesium alloy is made from the raw materials with components as follows: between 0.10% and 1.00% by mass of tin, between 0.10% and 3.00% by mass of aluminum, between 0.10% and 1.00% by mass of manganese, and commercially pure magnesium and inevitable impurities in balance. The magnesium alloy is prepared by the steps of: melting magnesium and aluminum, adding tin and then adding microalloyed element manganese, stirring, refining, casting to form ingots followed by homogenized heat treatment, and extruding to obtain a corresponding profile; or directly extruding to obtain a corresponding profile without homogenization. The invention is characterized by controlling the content of the high-cost raw material tin through using the raw material aluminum that is low in cost and low in melting point to obtain a low-cost high-plasticity wrought magnesium alloy.

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Номер записи: 16
07-01-2016 дата публикации

METHOD OF MANUFACTURING AN AL-MG-SI ALLOY ROLLED SHEET PRODUCT WITH EXCELLENT FORMABILITY

Номер: US20160002761A1
Автор: DE SMET Peter
Принадлежит: Aleris Aluminum Duffel BVBA

A method of manufacturing aluminium alloy rolled sheet with excellent formability and suitable for an automotive body, the method including: casting an ingot of aluminium alloy of, in wt. %: Si 0.5 to 1.5, Mg 0.2 to 0.7, Fe 0.03 to 0.30, Cu up to 0.30, optionally one or more elements selected from the group of: (Mn, Zr, Cr, V), Zn up to 0.3, Ti up to 0.15, impurities and aluminium; homogenising the cast ingot at 450° C. or more; hot rolling the ingot to a hot-rolled product; cold rolling the hot-rolled product to a cold-rolled product of intermediate gauge; continuous intermediate annealing the cold-rolled product of intermediate gauge in the range of 360-580° C.; cold rolling the intermediate annealed cold-rolled product to a sheet of final gauge up to 2.5 mm; solution heat treating the sheet; and quenching the solution heat treated sheet. 1. A method of manufacturing an aluminium alloy rolled sheet product with excellent formability and paint bake hardenability and particularly suitable for use for an automotive body , the method comprising: Si 0.5 to 1.5,', 'Mg0.2 to 0.7,', 'Fe 0.03 to 0.30,', 'Cu up to 0.30,', 'optionally one or more elements selected from the group consisting of:', 'Mn 0.01 to 0.5, Zr 0.01 to 0.15, Cr 0.01 to 0.15, V 0.01 to 0.2,', 'Zn up to 0.3,', 'Ti up to 0.15,', 'impurities each <0.05, total <0.20, balance aluminium;, '(a) casting an ingot of an aluminium alloy having a composition consisting of, in wt. %(b) homogenising the cast ingot at a temperature of 450° C. or more;(c) hot rolling the ingot to a hot-rolled product;(d) cold rolling of the hot-rolled product to a cold-rolled product of intermediate gauge;(e) continuous intermediate annealing of the cold-rolled product of intermediate gauge at a temperature in the range of 360° C. to 580° C.;(f) cold rolling of the intermediate annealed cold-rolled product to a sheet product of final gauge up to 2.5 mm;(g) solution heat treating said sheet product at a temperature range of 500° C. or ...

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Номер записи: 17
05-01-2017 дата публикации

HYDROGEN-ABSORBING ALLOY, ALLOY POWDER FOR ELECTRODE, NEGATIVE ELECTRODE FOR ALKALINE STORAGE BATTERY, AND ALKALINE STORAGE BATTERY

Номер: US20170002442A1
Автор: Kato Fumio, Ohyama Hideaki, Okabe Akiko
Принадлежит:

A hydrogen-absorbing alloy is provided in which an X-ray diffraction image generated by CuKα rays has at least one peak selected from (1) peak Psp1 at 2θ=32.25±0.15°, (2) peak Psp2 at 2θ=33.55±0.15°, and (3) peak Psp3 at 2θ=37.27±0.15°. 1. A hydrogen-absorbing alloy , wherein (1) a peak Psp1 at 2θ=32.25±0.15°;', '(2) a peak Psp2 at 2θ=33.55±0.15°; and', '(3) a peak Psp3 at 2θ=37.27±0.15°., 'an X-ray diffraction image generated by CuKα rays has at least one peak selected from2. The hydrogen-absorbing alloy according to having a crystal structure belonging to a space group of P63/mmc.3. The hydrogen-absorbing alloy according to claim 1 , whereina ratio I1/Imax of an intensity I1 of the peak Psp1 to an intensity Imax of a maximum peak Pmax of the X-ray diffraction image in a range of 2θ=10 to 90° is 0.01 or more.4. The hydrogen-absorbing alloy according to claim 1 , whereina ratio I2/Imax of an intensity I2 of the peak Psp2 to the intensity Imax of the maximum peak Pmax of the X-ray diffraction image in the range of 2θ=10 to 90° is 0.01 or more.5. The hydrogen-absorbing alloy according to claim 1 , whereina ratio I3/Imax of an intensity I3 of the peak Psp3 to the intensity Imax of the maximum peak Pmax of the X-ray diffraction image in the range of 2θ=10 to 90° is 0.01 or more.6. An alloy powder for an electrode claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the hydrogen-absorbing alloy according to .'}7. The alloy powder for the electrode according to claim 6 , wherein the element L is at least one element selected from a set consisting of elements in group 3 and elements in group 4 on a periodic table,', 'the element M is an alkaline-earth metal element,', 'the element E is at least one element selected from a set consisting of: transition metal elements in groups 5 to 11 on the periodic table; elements in group 12; elements in group 13 periods 2 to 5; elements in group 14 periods 3 to 5; N; P; and S, and', 'a molar ratio mE of the element E ...

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Номер записи: 18
05-01-2017 дата публикации

Precipitation hardening nickel-base alloy, part made of said alloy, and manufacturing method thereof

Номер: US20170002449A1
Автор: Alexandre Devaux, Coraline Crozet
Принадлежит: Aubert and Duval SA

A precipitation hardened nickel-base alloy, characterized in that its composition is, in weight percentages: 18%≦Cr≦22%, preferably 18%≦Cr≦20%; 18%≦Co≦22%, preferably 19%≦Co≦21%; 4%≦Mo+W≦8%, preferably 5.5%≦Mo+W≦7.5%; trace amounts≦Zr≦0.06%; trace amounts≦B≦0.03%. preferably trace amounts≦B≦0.01%; trace amounts≦C≦0.1%, preferably trace amounts≦C≦0.06%; trace amounts≦Fe≦1%; trace amounts≦Nb≦0.01%; trace amounts≦Ta≦0.01%; trace amounts≦S≦0.008%; trace amounts≦P≦0.015%; trace amounts≦Mn≦0.3%; trace amounts≦Si≦0.15%; trace amounts≦O≦0.0025%; trace amounts≦N≦0.0030%; the remainder being nickel and impurities resulting from the elaboration, the Al and Ti contents further satisfying the conditions: Ti/Al≦3;  (1) Al+1.2 Ti≧2%;  (2) (0.2 Al−1.25) 2 −0.5 Ti≧0%;  (3) Ti+1.5 Al≦4.5%.  (4) Part made in this alloy and its manufacturing method.

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Номер записи: 19
08-01-2015 дата публикации

HIGH-STRENGTH STRUCTURAL ELEMENTS USING METAL FOAM FOR PORTABLE INFORMATION HANDLING SYSTEMS

Номер: US20150007925A1
Автор: AURONGZEB Deeder Mohammad
Принадлежит:

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. 1. A method for manufacturing a metal foam for use in a portable information handling system , comprising:preparing a first melt comprising aluminum and lithium;preparing a second melt by adding iridium oxide, ceramic particulate, and calcium carbonate to the first melt;heating the second melt to evolve gas, wherein a metal foam is generated in the second melt; and{'sup': '3', 'cooling the second melt to solidify a metal foam casting, wherein the metal foam casting has a density of 0.4 g/cm.'}2. The method of claim 1 , wherein the first melt comprises aluminum A-356 and 5% by weight lithium.3. The method of claim 1 , wherein the second melt comprises 10 by weight % iridium oxide.4. The method of claim 1 , wherein the second melt comprises 5% by volume ceramic particulate claim 1 , wherein the ceramic particulate includes at least one of: silicon carbide particles and alumina nanofiber.5. The method of claim 1 , wherein a median particle size of the ceramic particulate is less than 1 micrometer.6. The method of claim 1 , further comprising:slicing the metal foam casting to 2 mm thickness, wherein the metal foam comprises pores having a median size of 0.5 mm.7. The method of claim 6 , further comprising:after slicing the metal foam casting, shaping the metal foam casting to a structure included in the portable information handling system.8. A method for manufacturing a metal-foam reinforced back plate for use in a portable information handling system claim 6 , comprising:forming a back plate having a relief pattern;cementing a metal foam structure corresponding to the relief pattern to the ...

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Номер записи: 20
14-01-2016 дата публикации

MACHINE FOR FORMING METAL BARS

Номер: US20160008874A1
Автор: Faoro Giovanni
Принадлежит:

A machine for forming metal bars, in particular for producing ingots made of precious metal such as gold, silver, precious alloys, as well as other pure metals or different alloys, including a melting station for melting the metal contained in an ingot mould, wherein the ingot mould contains an accurate amount of metal, in the form of powder, grits or swarf of various sizes and a chemical additive, which creates a chemical reaction with the impurities contained in the metal. The chemical additive may be any of boric acid, borax, potassium nitrates, ammonium, sodium, lithium and potassium and sodium chlorides. 1. A machine for forming metal bars , in particular for producing ingots made of precious metal such as gold , silver , precious alloys , as well as other pure metals or different alloys , comprising a melting station for melting the metal contained in at least one ingot mould which includes a cover , wherein said at least one ingot mould comprises an accurate amount of metal , in the form of powder , grits or swarf of various sizes and a chemical additive , which creates a chemical reaction with impurities contained in the metal wherein said chemical additive is selected from the group consisting of boric acid , borax , potassium nitrates , ammonium , sodium , lithium and potassium and sodium chlorides , and combinations thereof.2. The machine according to claim 1 , wherein said melting station comprises at least one melting furnace in which one or more ingot moulds containing said metal and said chemical additive are pushed.3. The machine according to claim 1 , comprising a station of secondary addition said station of secondary addition adding an accurate amount of a second chemical additive in each ingot mould claim 1 , on the molten metal claim 1 , said accurate amount of said second chemical additive creating a chemical reaction with the impurities contained in said molten metal claim 1 , said second chemical additive being selected from the group ...

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Номер записи: 21
14-01-2016 дата публикации

MACHINE FOR FORMING METAL BARS

Номер: US20160008875A1
Автор: Faoro Giovanni
Принадлежит:

A machine for forming metal bars, in particular for producing ingots made of precious metal such as gold, silver, precious alloys, as well as other pure metals or different alloys, in the form of solid metal powder, grits or swarf of various sizes, having an ingot mould and a cover for closing the ingot mould when filled, the ingot mould has a dimension in height such that the cover passes from a first position to a second position when the volume occupied by the mass of metal that fills the ingot mould reduces gradually up to one third of the initial solid volume. In the first position the cover rests on the metal that fills the ingot mold and remains raised with respect to an abutting edge of the ingot mould, in such a manner that the bottom of the cover compresses and thus uniformly compacts the powders, the grits or the swarf so that, during the melting step, in the second position, the cover lowers progressively as the metal melts, until it rests on the abutting edge of the ingot mold, thus hermetically closing the ingot mould. 1. A machine for forming metal bars , in particular for producing ingots made of precious metal such as gold , silver , precious alloys , as well as other pure metals or different alloys , in the form of solid metal powder , grits or swarfs of various sizes , as well as other pure metals or different alloys , comprising at least one ingot mould and a cover for closing said at least one ingot mould when filled , wherein said at least one ingot mould has a height dimension such that said cover passes from a first position to a second position when the volume occupied by the mass of metal that fills said at least one ingot mould reduces gradually up to one third of the initial solid volume , in said first position said cover rests on the metal that fills said at least one ingot mold and remains raised with respect to an abutting edge of said at least one ingot mould , in such a manner that the bottom of the cover compresses and thus ...

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Номер записи: 22
14-01-2016 дата публикации

METHOD OF UNIDIRECTIONAL SOLIDIFICATION OF CASTINGS AND ASSOCIATED APPARATUS

Номер: US20160008881A1
Автор: Chu Men G., Giron Alvaro, Kallaher Kenneth Joseph, Shaw Jeffrey J., YU Ho
Принадлежит:

Molten metal is injected uniformly into a horizontal mold from a feed chamber in a horizontal or vertical direction at a controlled rate, directly on top of the metal already within the mold. A cooling medium is applied to the bottom surface of the mold, with the type and flow rate of the cooling medium being varied to produce a controlled cooling rate throughout the casting process. The rate of introduction of molten metal and the flow rate of the cooling medium are both controlled to produce a relatively uniform solidification rate within the mold, thereby producing a uniform microstructure throughout the casting, and low stresses throughout the casting. A multiple layer ingot product is also provided comprising a base alloy layer and at least a first additional alloy layer, the two layers having different alloy compositions, where the first additional alloy layer is bonded directly to the base alloy layer by applying the first additional alloy in the molten state to the surface of the base alloy while the surface temperature of the base alloy is lower than the liquidus temperature and greater than eutectic temperature of the base alloy −50 degrees Celsuis. 1. A method of casting metal , comprising: a plurality of sides and a bottom defining a mold cavity, wherein the bottom has at least two surfaces, including a first surface and a second surface;', 'at least one metal feed chamber adjacent to the mold cavity;', 'at least one control apparatus between the feed chamber and the mold cavity, the control apparatus being structured to control the flow rates of molten metal being introduced horizontally into the mold cavity,', (i) allows one or more cooling mediums to flow through the apertures and directly contact the metal, wherein a direction of the flow of the cooling medium is from the first surface of the bottom into the mold cavity, and', '(ii) simultaneously resists the metal initially poured directly onto the second surface of the bottom from exiting through ...

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Номер записи: 23
12-01-2017 дата публикации

METHOD FOR PRODUCING TWO-PHASE Ni-Cr-Mo ALLOYS

Номер: US20170009324A1
Автор: Ajit Mishra, David A. Metzler, Paul Crook
Принадлежит: Haynes International Inc

In a method for making a wrought nickel-chromium-molybdenum alloy having homogeneous, two-phase microstructures the alloy in ingot form is subjected to a homogenization treatment at a temperature between 2025° F. and 2100° F. , and then hot worked at start temperature between 2025° F. and 2100° F. The alloy preferably contains 18.47 to 20.78 wt. % chromium, 19.24 to 20.87 wt. % molybdenum, 0.08 to 0.62 wt. % aluminum, less than 0.76 wt. % manganese, less than 2.10 wt. % iron, less than 0.56 wt. % copper, less than 0.14 wt. % silicon, up to 0.17 wt. % titanium, less than 0.013 wt. % carbon, and the balance nickel.

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Номер записи: 24
12-01-2017 дата публикации

METHOD OF MANUFACTURING SPUTTERING TARGET AND SPUTTERING TARGET

Номер: US20170009336A1
Автор: KOMATSU Tooru, NAKASHIMA Nobuaki
Принадлежит:

The manufacturing cost of a sputtering target is reduced and the impurity concentration of the manufactured sputtering target is also reduced. A method of manufacturing a sputtering target includes: surface-treating at least one of a used sputtering target and a scrap material; melting at least one of the used sputtering target and the scrap material after the surface treatment to form an ingot; and manufacturing a sputtering target by subjecting the ingot to forging, rolling, heat treating, and machining. 1. A method of manufacturing a sputtering target , comprising:surface-treating at least one of a used sputtering target including a first face and a scrap material including a second face to expose at least one of the first and second faces and remove at least one of a part of the used sputtering target and a part of the scrap material by 1 mm or more in an inward direction from at least one of the first and second faces, the used sputtering target and the scrap material each containing a metal element, and the first and second faces each having uniform metallic color;melting at least one of the used sputtering target and the scrap material after the surface treatment to form an ingot; andmanufacturing a sputtering target by subjecting the ingot to forging, rolling, heat treating, and machining.2. The method according to claim 1 , wherein at least one of the used sputtering target and the scrap material is surface-treated by at least one of a pickling removal and a mechanical removal.3. The method according to claim 2 , wherein the pickling removal is performed using a mixture containing two acids or more out of hydrofluoric acid claim 2 , nitric acid claim 2 , hydrochloric acid claim 2 , and acetic acid.4. The method according to claim 3 , wherein the pickling removal is performed using the mixture containing the hydrofluoric acid having a first mixture ratio and the nitric acid having a second mixture ratio higher than the first mixture ratio.5. The method ...

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Номер записи: 25
14-01-2021 дата публикации

Sputtering target material

Номер: US20210010105A1
Автор: Satoru Mori, Satoshi Kumagai, U Tani, Yuuji Sato
Принадлежит: Mitsubishi Materials Corp

A sputtering target material contains one kind or two or more kinds selected from the group consisting of Ag, As, Pb, Sb, Bi, Cd, Sn, Ni, and Fe in a range of 5 massppm or more and 50 massppm or less, in terms of a total content; and a balance consisting of Cu and an inevitable impurity. In the sputtering target material, in a case in which an average crystal grain size calculated as an area average without twins is denoted by X1 (μm), and a maximum intensity of pole figure is denoted by X2, upon an observation with an electron backscatter diffraction method, Expression (1): 2500>19×X1+290×X2 is satisfied, a kernel average misorientation (KAM) of a crystal orientation measured by an electron backscatter diffraction method is 2.0° or less, and a relative density is 95% or more.

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Номер записи: 26
15-01-2015 дата публикации

MOLDING DEVICE FOR A METAL INGOT COMPRISING A BORE

Номер: US20150013931A1
Автор: BRACONNIER Franck, DABIN Jean-Luc, FAUDAN Thierry, LACAGNE Gilbert, LEROY Maxime, SAVALLI Bruno
Принадлежит:

A molding device for vacuum casting a metal ingot is provided. The mold includes a mold cavity defined by an ingot mold, a core and a bottom. The mold is arranged inside a vacuum-cast enclosure and includes a source of introducing molten metal at the upper portion thereof. A distribution device for receiving and distributing molten metal, which is suitable for receiving the molten steel introduced into the vacuum-cast enclosure and for redistributing the molten metal in the mold cavity, is arranged at the upper portion of the mold cavity. The molten metal is introduced into the enclosure so as to form a first jet of molten steel under a vacuum, in order to pour the molten metal over the distribution device and to form at least one second jet of molten steel under a vacuum, which originates with the distribution device and terminates in the mold cavity so as to fill the mold cavity with molten metal. 1. A molding device for vacuum casting a metal ingot including a longitudinal bore , the device comprising: an ingot mold;', 'a core made from a reinforced refractory material arranged vertically in the ingot mold; and', 'a bottom for receiving a lower portion of the core; and, 'a mold comprising a mold cavity delimited bya distribution device for receiving and distributing molten metal arranged bearing on an upper portion of the core.2. The molding device according to claim 1 , wherein the distribution device is a distributor in the form of a basin comprising at least one discharge channel terminating in the mold cavity.3. The molding device according to claim 1 , further comprising a first jet providing molten metal to the distribution device.4. The molding device according to claim 3 , wherein the distribution device is a cone made from a refractory material claim 3 , a tip of the cone receiving molten metal from the first jet.5. The mold device according to claim 3 , wherein the distribution device includes a basin connected to at least one further jet for ...

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Номер записи: 27
03-02-2022 дата публикации

Method of manufacturing a 2xxx-series aluminium alloy plate product having improved fatigue failure resistance

Номер: US20220033937A1
Автор: Achim Burger, Andreas Harald BACH, Philippe Meyer, Sabine Maria Spangel
Принадлежит: ALERIS ROLLED PRODUCTS GERMANY GMBH

A method of manufacturing an AA2xxx-series aluminium alloy plate product having improved fatigue failure resistance and a reduced number of flaws, the method comprising the following steps (a) casting an ingot of an aluminium alloy of the 2xxx-series, the aluminium alloy comprising (in wt. %): Cu 1.9 to 7.0, Mg 0.3 to 1.8, Mn up to 1.2, balance aluminium and impurities, each 0.05 max., total 0.15; (b) homogenizing and/or preheating the cast ingot; (c) hot rolling the ingot into a plate product by rolling the ingot with multiple rolling passes characterized in that, when at an intermediate thickness of the plate between 100 and 200 mm, at least one high reduction hot rolling pass is carried out with a thickness reduction of at least 15%; wherein the plate product has a final thickness of less than 60 mm. The invention is also related to an aluminium alloy product produced by this method.

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Номер записи: 28
03-02-2022 дата публикации

ALUMINUM ALLOY PRODUCTS AND A METHOD OF PREPARATION

Номер: US20220033947A1
Автор: BULL Michael, Kamat Rajeev G.
Принадлежит: Novelis Inc.

The present invention relates to aluminum alloy products that can be riveted and possess excellent ductility and toughness properties. The present invention also relates to a method of producing the aluminum alloy products. In particular, these products have application in the automotive industry. 1. A method of producing a metal sheet , comprising:casting an aluminum alloy to form an ingot, wherein the aluminum alloy comprises Cu 0.40-0.80 wt. %, Fe 0-0.40 wt. %, Mg 0.40-0.90 wt. %, Mn 0-0.40 wt. %, Si 0.40-0.7 wt. %, Cr 0-0.2 wt. %, Zn 0-0.1 wt. % and Ti 0-0.20 wt. % with trace element impurities 0.10 wt. % maximum, and Al;homogenizing the ingot;hot rolling the ingot to produce a hot band; andcold rolling the hot band to a sheet having a final gauge thickness.2. The method of claim 1 , further comprising subjecting the sheet to a solution heat treatment temperature from 450° C. to 575° C.3. The method of claim 2 , wherein the solution heat treatment temperature ranges from 500° C. to 550° C.4. The method of claim 2 , wherein the sheet is artificially aged to a T6 claim 2 , T8 claim 2 , or T9 temper.5. The method of claim 2 , further comprising quenching the sheet to a temperature from 25° C. to 50° C. following solution heat treatment.6. The method of claim 5 , wherein quenching comprises quenching the sheet at a quench rate from 100° C./s to 450° C./s.7. The method of claim 1 , wherein homogenizing the ingot comprises heating the ingot to a peak metal temperature of from 500° C. to 580° C.8. The method of claim 7 , wherein the ingot is soaked at the peak metal temperature for up to 15 hours.9. The method of claim 7 , further comprising cooling the ingot to room temperature after homogenization.10. The method of claim 1 , wherein hot rolling the ingot comprises hot rolling the ingot to a range from 250° C. to 530° C.11. The method of claim 1 , wherein the aluminum alloy comprises Cu 0.45-0.75 wt. % claim 1 , Fe 0.1-0.35 wt. % claim 1 , Mg 0.45-0.85 wt. % claim 1 , ...

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Номер записи: 29
17-01-2019 дата публикации

High-density, crack-free metallic parts

Номер: US20190015883A1
Автор: Michael Thomas STAWOVY
Принадлежит: Individual

In various embodiments, three-dimensional layered metallic parts are substantially free of gaps between successive layers, are substantially free of cracks, and have densities no less than 97% of the theoretical density of the metallic material.

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Номер записи: 30
18-01-2018 дата публикации

TITANIUM BASED CERAMIC REINFORCED ALLOY

Номер: US20180016669A1
Автор: Demchyshyn Anatolii, Fisk Andrew E., Kulak Leonid, Kuzmenko Mykola
Принадлежит:

A titanium based, ceramic reinforced body formed from an alloy having from about 3 wt. % to about 10 wt. % of zirconium, about 10 wt. % to about 25 wt. % of niobium, from about 0.5 wt. % to about 2 wt. % of silicon, and from about 63 wt. % to about 86.5 wt. % of titanium. The alloy has a hexagonal crystal lattice a phase of from about 20 vol % to about 70 vol %, and a cubic body centered β crystal lattice phase of from about 30 vol. % to about 80 vol. %. The body has an ultimate tensile strength of about 950 MPa or more, and a Young's modulus of about 150 GPa or less. A molten substantially uniform admixture of a zirconium, niobium, silicon, and titanium alloy is formed, cast into a shape, and cooled into body. The body may then be formed into a desired shape, for example, a medical implant and optionally annealed. 1. A body comprising an alloy , the alloy comprising from about 3 wt. % to about 10 wt. % of zirconium , about 10 wt. % to about 25 wt. % of niobium , from about 0.5 wt. % to about 2 wt. % of silicon , and from about 63 wt. % to about 86.5 wt. % of titanium , the alloy having a hexagonal crystal lattice a phase of from about 20 vol % to about 70 vol % , and a cubic body centered crystal lattice phase of from about 30 vol. % to about 80 vol. % , the ingot having an ultimate tensile strength of about 950 MPa or more , and a Young's modulus of about 150 GPa or less.2. The body of wherein the alloy comprises from about 3 wt. % to about 10 wt. % of zirconium claim 1 , about 10 wt. % to about 25 wt. % of niobium claim 1 , from about 0.5 wt. % to about 2 wt. % of silicon claim 1 , and the balance titanium.3. The body of which has an ultimate tensile strength of from about 1000 MPa to about 1400 MPa claim 1 , and a Young's modulus of from about 100 GPa to about 150 GPa.4. The body of which has an ultimate tensile strength of from about 1100 MPa to about 1300 MPa claim 1 , and a Young's modulus of from about 110 GPa to about 140 GPa.5. The body of wherein the ...

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Номер записи: 31
21-01-2021 дата публикации

ALUMINUM ALLOY FOR CASTING AND METHOD OF FORMING A COMPONENT

Номер: US20210017629A1
Автор: Haddad Daad B., Hu Bin, Liu Zhongyi, SALVADOR JAMES R.
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

An aluminum-iron alloy for casting includes aluminum, iron, silicon, and niobium present in the aluminum-iron alloy in an amount according to formula (I): (AlFeSi)+x Nb, wherein x is from 0.25 parts by weight to 2.5 parts by weight based on 100 parts by weight of the aluminum-iron alloy. A method of forming a component including forming the aluminum-iron alloy is also described. 1. An aluminum-iron alloy for casting , the aluminum-iron alloy comprising: {'br': None, 'sub': 3', '2', '1-x, 'i': '+x', '(AlFeSi)Nb\u2003\u2003(I)'}, 'aluminum, iron, silicon, and niobium present in the aluminum-iron alloy in an amount according to formula (I)wherein x is from 0.25 parts by weight to 2.5 parts by weight based on 100 parts by weight of the aluminum-iron alloy.2. The aluminum-iron alloy of claim 1 , wherein x is from 0.5 parts by weight to 0.9 parts by weight based on 100 parts by weight of the aluminum-iron alloy.3. The aluminum-iron alloy of claim 1 , wherein x is 0.5 parts by weight based on 100 parts by weight of the aluminum-iron alloy.4. The aluminum-iron alloy of claim 1 , wherein x is 0.9 parts by weight based on 100 parts by weight of the aluminum-iron alloy.5. The aluminum-iron alloy of claim 1 , wherein the aluminum-iron alloy is a three-phase alloy and includes an AlFephase claim 1 , a B2 phase claim 1 , and a τphase.6. The aluminum-iron alloy of claim 5 , wherein the τphase is a main phase of the aluminum-iron alloy.7. The aluminum-iron alloy of claim 6 , wherein aluminum-iron alloy has a density of from 4.5 g/cmto 5.5 g/cm.8. The aluminum-iron alloy of claim 7 , wherein the aluminum-iron alloy has a melting point of from 995° C. to 1 claim 7 ,015° C.9. The aluminum-iron alloy of claim 5 , wherein the AlFephase and the B2 phase are secondary phases of the aluminum-iron alloy.10. The aluminum-iron alloy of claim 5 , wherein an increased amount of niobium present in the aluminum-iron alloy reduces an amount of the AlFephase present in the aluminum-iron alloy.11. ...

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Номер записи: 32
26-01-2017 дата публикации

METHOD OF PRODUCING AN IMPLANT

Номер: US20170021062A1
Автор: Bayer Ullrich
Принадлежит:

A method for producing an implant, such as an intraluminal endoprosthesis, the method including producing a melt with a material composition of iron, sulfur at a concentration of more than 0.2% by weight and not more than 1% by weight, and at least one element selected from the group consisting of calcium, manganese and magnesium; producing a slab by cooling the melt in a mold at a predetermined cooling rate to produce a semi-finished part; and post-processing the semi-finished part to form the desired shape of the implant body. 1. A method for producing an implant , optionally an intraluminal endoprosthesis , the body of which comprises at least predominantly a material with iron as the main constituent , comprising the following steps:a) producing a melt with a material composition comprising iron as a main constituent, sulfur as first minor constituent with a concentration of more than 0.2% by weight and not more than 1% by weight, optionally not more than 0.5% by weight, and a second minor constituent of at least one element selected from the group consisting of calcium, manganese and magnesium;b) producing a slab by cooling the melt in an adequate mold at a predetermined cooling rate and, optionally, carrying out at least one hot forming step for producing a semi-finished part; andc) post-processing the semi-finished part or slab, optionally by laser cutting, until the desired shape of the implant body is produced.2. The method of claim 1 , wherein the second minor constituent is manganese claim 1 , characterized in that the manganese is at least 0.5% by weight and not more than 3% by weight.3. The method of claim 1 , wherein the second minor constituent is magnesium claim 1 , characterized in that the magnesium is at least 0.3% by weight and not more than 1% by weight.4. The method of claim 1 , further comprising oxygen at a concentration of 0.05% by weight and not more than 2% by weight and phosphorous at a concentration of 0.05% by weight and not more than 0 ...

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Номер записи: 33
28-01-2016 дата публикации

CASTING EQUIPMENT AND CASTING METHOD USING SAME

Номер: US20160023269A1
Автор: CHOI Jeong Yun, KIM Sung Jool, Lee Joo Dong, OH Kyung Shik
Принадлежит:

A casting equipment for producing a casting with a large cross-section for a very thick steel material includes: a casting part with a passage for a molten steel for casting the molten steel into a casting; a support part arranged separately from the casting part for receiving and supporting the casting in at least one of the sides of the casting; and a solidifying part arranged outside the casting provided with a first quality control device for solidifying the casting. A casting method includes: preparing a molten steel for casting; casting the molten steel in the casting part with the passage opened or closed into a casting; conveying the casting to the solidifying part; and conveying the solidified casting to a subsequent process so as to improve the quality of the casting, thus increasing substantially the yield rate of castings. 1. A casting installation comprising:a casting unit defining a passage through which molten steel passes and for casting the molten steel into a slab; and a support unit disposed spaced apart from the casting unit and receiving the slab from the casting unit and disposed on at least any one place of sides of the slab to support the slab; and', 'a first quality controller provided on an outside of the slab to induce solidification of the slab., 'a solidification unit comprising2. The casting installation of claim 1 , wherein the first quality controller comprises:a first stirrer disposed in proximity to an outside of the slab and able to elevate in a longitudinal direction of the slab;a second stirrer provided spaced apart below the first stirrer and able to elevate in the longitudinal direction of the slab; anda first heater installed so as to be able to move forward and backward in a region directly above the slab and configured to heat an upper portion of the slab.3. The casting installation of claim 2 , wherein the first stirrer has coils wound around the slab and disposed in the form of a circle.4. The casting installation of claim ...

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Номер записи: 34
26-01-2017 дата публикации

HEAT TREATMENT OF AN ALLOY BASED ON TITANIUM ALUMINIDE

Номер: US20170022594A1
Автор: Marcillaud Céline Jeanne, MARTIN Guillaume, Mineur-Panigeon Marie
Принадлежит: SAFRAN AIRCRAFT ENGINES

The invention relates to a method for the treatment of an alloy based on titanium aluminide. The method comprises the following steps, during which no hot isostatic pressing is carried out: obtaining a semi-finished product () produced by centrifugal casting, then heat treating the semi-finished product in order to obtain an alloy microstructure comprising gamma grains and/or lamella grains (alpha2/gamma). 1. A method for treating a titanium-aluminide alloy , the method comprising the following steps: carrying out centrifugal casting in a permanent mould in order to obtain a semi-finished product , then heat treating the semi-finished product at a pressure below that of a hot isostatic pressing (HIP) , preferably substantially equal to atmospheric pressure , until a microstructure of the alloy comprising gamma grains and/or lamellar grains (alpha2/gamma) is obtained.2. A method for fabricating , without a hot isostatic pressing , a turbine-engine part made from titanium-aluminide alloy , comprising the following steps:carrying out centrifugal casting in a permanent mould in order to obtain a semi-finished product with a form less complex than that of the finished product,heat treating the semi-finished product without hot isostatic pressing, at a pressure lower than that of hot isostatic pressing (HIP), preferably substantially equal to atmospheric pressure, until an alloy microstructure comprising gamma grains and/or lamellar grains (alpha2/gamma) is obtained,then machining the heat-treated semi-finished product to the form of said part.3. A method according to claim 1 , where the step of obtaining the semi-finished product produced by the centrifugal casting comprises casting in said permanent mould filled by the alloy claim 1 , so that the size of the internal pores of this alloy is reduced after casting compared with what is was before claim 1 , the mould being filled by the alloy:with a speed of flow of the alloy in the mould greater than the rate of ...

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Номер записи: 35
25-01-2018 дата публикации

METHOD FOR PRODUCING NATIONAL-STANDARD MAGNESIUM ALLOY INGOTS ON THE BASIS OF MAGNESIUM ALLOY WASTE MATERIAL

Номер: US20180023164A1
Автор: TAN Heyi, TANG Lunyuan
Принадлежит: HUNAN S.R.M SCIENCE AND TECHNOLOGY CO., LTD

A method comprises: sorting and removing impurities from magnesium alloy waste material, and cleaning and drying said material, the cleaning comprising high-pressure rinsing, pickling, and water washing, performed in sequence; preheating the magnesium alloy waste material obtained in step a, and adding material, melting, refining, removing impurities, and alloying to obtain a magnesium alloy liquid; casting ingots from the magnesium alloy liquid obtained in step b, to obtain magnesium alloy ingots conforming to national standards. The method directly takes magnesium alloy waste material as a raw material to produce magnesium alloy ingots conforming to national standards; the addition of costly high-purity magnesium is unnecessary, and the number of castings in which the amount of harmful elements meets specifications accounts for 98% or more of the total number of castings; 2% slightly exceed specifications, which does not constitute a severe number of times specifications are exceeded. 1. A method for producing GB-standard magnesium alloy ingots from magnesium alloy waste material , comprising the following steps:Step a. sorting, removing impurities from, cleaning and drying the magnesium alloy waste material, wherein the cleaning involves high-pressure cleaning, pickling, and water rinse performed in sequence;Step b. preheating, melting, refining, removing impurities from, and alloying the magnesium alloy waste material obtained in Step a, so as to obtain magnesium alloy liquid; andStep c. casting ingots using the magnesium alloy liquid obtained in Step b, so as to obtain GB-standard magnesium alloy ingots.2. The method of claim 1 , wherein in Step a claim 1 , the high-pressure cleaning is performed under a pressure of 5 to 20 MPa.3. The method of claim 1 , wherein Step a involves cutting claim 1 , sorting and removing impurities from claim 1 , high-pressure cleaning claim 1 , pickling claim 1 , water rinse and drying the magnesium alloy waste material claim 1 , ...

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Номер записи: 36
25-01-2018 дата публикации

PRODUCTION LINE FOR PRODUCING NATIONAL-STANDARD MAGNESIUM ALLOY INGOTS ON THE BASIS OF MAGNESIUM ALLOY WASTE MATERIAL

Номер: US20180023169A1
Автор: TAN Heyi, TANG Lunyuan
Принадлежит: HUNAN S.R.M SCIENCE AND TECHNOLOGY CO., LTD

A production line comprises: a pretreatment system, a melting and refining system, and a casting system; magnesium alloy waste material passes in sequence through the pretreatment system, the melting and refining system, and the casting system, resulting in magnesium alloy ingots that conform to national standards. The production line for producing national-standard magnesium alloy ingots on the basis of magnesium alloy waste material processes magnesium alloy waste material, passing same through a pretreatment system, a preheating system a melting and refining system, a thermal insulation system, a casting system, and a post-treatment system; coatings and impurities on the surface of the magnesium alloy waste material are removed, and the material is processed into magnesium alloy ingots conforming to national standards; the pieces of equipment of each system are well-connected, the degree of automation is high, operation is simple, and production is highly efficient. 1. A production line for producing GB-standard magnesium alloy ingots from magnesium alloy waste material , being characterized in comprising: a pretreatment system , a smelting-and-refining system , and a casting system that are in sequence connected ,wherein the magnesium alloy waste material passes through the pretreatment system, the smelting-and-refining system, and the casting system in sequence to be converted into the GB-standard magnesium alloy ingots;wherein the pretreatment system includes a high-pressure cleaning device and a pickling line.2. The production line of claim 1 , wherein the pickling line comprises a batch-containing device claim 1 , a pickling area claim 1 , and a water-rinse area claim 1 ,wherein the batch-containing device contains the magnesium alloy waste material, and the pickling area is independent of the water-rinse area; andwherein the material travels in the pickling line in such manner: after fed into the batch-containing device, the magnesium alloy waste material ...

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Номер записи: 37
24-01-2019 дата публикации

METHOD FOR MANUFACTURING QUASICRYSTAL AND ALUMINA MIXED PARTICULATE REINFORCED MAGNESIUM-BASED COMPOSITE MATERIAL

Номер: US20190024214A1
Автор: Hua Hou, Jinke Wu, Ling Yang, Yuchun Jin, Yuhong Zhao
Принадлежит:

A method for manufacturing a quasicrystal and alumina mixture particles reinforced magnesium matrix composite, includes manufacturing a quasicrystal and alumina mixture particles reinforcement phase, including preparing raw materials for the quasicrystal and alumina mixture particles reinforcement phase including a pure magnesium ingot, a pure zinc ingot, a magnesium-yttrium alloy in which the content of yttrium is 25% by weight, and nanometer alumina particles, the elements having the following proportion by weight 40 parts of magnesium, 50-60 parts of zinc, 5-10 parts of yttrium and 8-20 parts of nanometer alumina particles of which the diameter is 20-30 nm, pretreating the metal raw materials, cutting the pure magnesium ingot, the pure zinc ingot and the magnesium-yttrium alloy into blocks, removing oxides attached on the surface of each metal block, placing the blocks into a resistance furnace to preheat at 180° C. to 200° C., and filtering out the absolute ethyl alcohol after standing, and drying. 18-. (canceled)10. The method for manufacturing a quasicrystal and alumina mixture particles reinforced magnesium matrix composite according to claim 9 , wherein the shielding gas is a mixture gas of air claim 9 , carbon dioxide and tetrafluoroethane claim 9 , and the volume ratio of air claim 9 , carbon dioxide and tetrafluoroethane in the mixture gas is 74:25:1 claim 9 , the mixture gas is introduced to a position of 1 cm-2 cm above the metal melt surface claim 9 , the flow rate of the shielding gas is 1 L/min claim 9 , the exhaust pressure is 0.2 MPa to 0.4 MPa.11. The method for manufacturing a quasicrystal and alumina mixture particles reinforced magnesium matrix composite according to claim 9 , wherein the magnesium-manganese alloy claim 9 , the magnesium-silicon alloy and the magnesium-calcium alloy are coated with an aluminum foil claim 9 , and are pressed into the melt by a bell jar prior to stirring.12. The method for manufacturing a quasicrystal and alumina ...

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Номер записи: 38
29-01-2015 дата публикации

Method for manufacturing forged steel roll

Номер: US20150026957A1
Автор: Akihiro Yamanaka, Hideo Mizukami, Hideyoshi Yamaguchi, Hirofumi Onishi, Tomoaki Sera
Принадлежит: Nippon Steel and Sumitomo Metal Corp

A method for manufacturing a forged steel roll comprises: casting, by the ESR method, a steel ingot which contains, by mass %, C: 0.3% or more, Si: 0.2% or more, Cr: 2.0-13.0% and Mo: 0.2% or more, and further contains Bi at 10-100 ppm by mass; and forging the steel ingot to manufacture the roll. According to this method, since freckle defects can be sealed near the center of the steel ingot, the roll can be stably used over a long period of time.

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Номер записи: 39
29-01-2015 дата публикации

SINGLE CRYSTALLINE MICROSTRUCTURES AND METHODS AND DEVICES RELATED THERETO

Номер: US20150028724A1
Автор: Meloy Rob, Summers Eric
Принадлежит:

A product, such as one or more thin sheets, each containing a single or near-single crystalline inclusion-containing magnetic microstructure, is provided. In one embodiment, the inclusion-containing magnetic microstructure is a Galfenol-carbide microstructure. Various methods and devices, as well as compositions, are also described. 1. A product comprising a single or near-single crystalline inclusion-containing magnetic microstructure comprising a Galfenol-carbide microstructure.2. The product of comprising one or more thin sheets.3. (canceled)4. The product of wherein an inclusion in the inclusion-containing magnetic microstructure is niobium carbide.5. The product of wherein an amount of NbC is included in the niobium carbide.6. The product of having an eta (η)-fiber texture greater than about 45.3 area % up to about 100 area % and a misorientation of less than about 30 degrees.7. The product of having a magnetostriction between about 200.1 ppm and about 400 ppm.8. The product of having a grain diameter in the rolling direction (RD)-transverse direction (TD) plane of at least about 10 mm and a thickness of no more than about 3 mm.9. The product of wherein the thickness is no more than about 0.381 mm.10. The product of having an operating frequency from about direct current (DC) to about 30 kHz.11. The product of wherein between about 230 and about 1400 ppmw of C (0.1 to 0.68 at %) is present and the AGG is moderate to strong.12. The product of comprising (Fe—Ga)(Nb)(C).13. The product of configured for use in a device comprising an actuator claim 9 , sensor or energy harvester.14. The product of wherein the energy harvester is a motor mount configured to convert motor vibrations from a motor into electrical energy.15. A method of making one or more thin sheets comprising:combining one or more form factor components with a dopant, a magnetic material, a magnetic material performance enhancer and a precipitate former to produce a melted alloy, wherein the dopant is ...

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Номер записи: 40
04-02-2016 дата публикации

Amorphous Steel Composites with Enhanced Strengths, Elastic Properties and Ductilities

Номер: US20160031002A1
Автор: Gu Xiao-Jun, Poon S. Joseph, Shiflet Gary J.
Принадлежит: UNIVERSITY OF VIRGINIA PATENT FOUNDATION

Amorphous steel composites with enhanced mechanical properties and related methods for toughening amorphous steel alloys. The composites are formed from monolithic amorphous steel and hard ceramic particulates, which must be embedded in the glass matrix through melting at a temperature above the melting point for the steel but below the melting point for the ceramic. The ceramics may be carbides, nitrides, borides, iron-refractory carbides, or iron-refractory borides. The produced composites may be one of two types, primarily distinguished by the methods for embedding the ceramic particulates in the steel. These methods may be applied to a variety of amorphous steels as well as other non-ferrous amorphous metals, and the resulting composites can be used in various applications and utilizations. 121-. (canceled)22. A method for enhancing the toughness of amorphous steel alloy that comprises:a) milling carbide or nitride ceramic particulates to obtain a desired particle size distribution;b) mixing the milled particles with ingots of monolithic amorphous steel alloy;c) compacting the mixture to form a pellet; andc) melting the pellet at a temperature above the melting point for the steel but below the melting point for the ceramic to form a composite ingot.23. The method of further comprising:a) preparing ingots of monolithic amorphous steel alloy; andb) casting the resulting ingot to form an amorphous steel composite.24. The method of claim 23 , wherein the composite produced is the amorphous steel composite comprising a composition represented by the formula:{'br': None, 'sub': 1-a-b-c-d-e-f', 'a', 'b', 'c', '1-x', 'x', 'd', 'e', 'f', '100-α', 'α, '[FeMnCrMo(LnY)CB][CER]'}wherein Ln represents an element in the Lanthanide series such as Sm, Gd, Dy, Er, Yb, or Lu; and [ [{'br': None, 'sub': 0.5-y', 'y', '0.5-z', 'z, 'MM′CN'}, 'wherein M and M′ represent one or two group IV or V refractory metals such as Ti, Zr, Hf, V, Nb, or Ta, and', 'wherein y and z satisfy the ...

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Номер записи: 41
02-02-2017 дата публикации

MARTENSITIC-FERRITIC STAINLESS STEEL, MANUFACTURED PRODUCT AND PROCESS USING THE S

Номер: US20170029912A1
Автор: DE CARVALHO Ricardo Nolasco, DE LIMA Marília Mendonça, FARINA Alexandre Bellegard, FERREIRA Marcelo Almeida Cunha, LIBERTO Rodrigo Cesar Nascimento, Mesquita Rafael Agnelli
Принадлежит:

The present invention relates to a martensitic-ferritic stainless steel with high corrosion resistance that comprises the following chemical composition: C: from 5 0.005 to 0.030%; Si: from 0.10 to 0.40%; Mn from 0.20 to 0.80%; P: 0.020% max; S: 0.005% max; Cr: from 13 to 15%; Ni: from 4.0 to 6.0%; Mo: from 2.0 to 4.5%; V: from 0.01 to 0.10%; Nb: from 0.01 to 0.50%; N: from 0.001 to 0.070%; Al: from 0.001 to 0.060%; Ti: from 0.001 to 0.050%; Cu: from 0.01 to 1.50%; O: 0.005% max (all in weight percent), wherein the balance is performed by Fe and unavoidable impurities 10 from the industrial possessing in acceptable levels. Additionally, the martensitic-ferritic stainless steel of the present invention has the localized corrosion parameter (LCP), between 3.2 and 6.2, as defined by equation below; LCP=0.500−% Cr+1.287·% Mo+1.308·% N−5.984 The present invention also relates to a manufactured product comprising the martensitic-ferritic stainless steel of the invention; to a process for 15 production of forged or rolled parts or bars; and to a process for production of seamless tube from this martensitic-ferritic stainless steel of the present invention, wherein the processes of the invention have a heating temperature in determined step following the equation below: T−16.9*% Cr−49.9*% Mo>535 117-. (canceled)18. MARTENSITIC-FERRITIC STAINLESS STEEL , wherein it comprises a martensitic-ferritic microstructure , and a chemical composition in the range of C: from 0.005 to 0.030%; Si: from 0.10 to 0.40%; Mn from 0.20 to 0.80%; P: 0.020% max; S: 0.005% max; Cr: from 13 to 15%; Ni: from 4.0 to 6.0%; Mo: from 2.0 to 4.5%; V: from 0.01 to 0.10%; Nb: from 0.01 to 0.50%; N: from 0.001 to 0.070%; Al: from 0.001 to 0.060%; Ti: from 0.001 to 0.050%; Cu: from 0.01 to 1.50%; O: 0.005% max (in weight percent) , wherein the balance is performed by Fe and unavoidable impurities from the industrial possessing in acceptable levels and having the localized corrosion parameter (LCP) between 3 ...

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Номер записи: 42
04-02-2016 дата публикации

METHOD FOR MANUFACTURING HIGH PURITY MANGANESE AND HIGH PURITY MANGANESE

Номер: US20160032427A1
Автор: Yagi Kazuto
Принадлежит:

The present invention relates to a method for manufacturing a high purity Mn, the method comprising: placing a Mn raw material in a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (VIM furnace) at a melting temperature of 1240 to 1400° C. under an inert atmosphere of 500 Torr or less; then adding calcium in a range between 0.5 and 2.0% of the weight of Mn to perform deoxidation and desulfurization; casting the resultant in an iron mold after the completion of the deoxidation and desulfurization to manufacture an ingot; then placing the Mn ingot in a skull melting furnace; reducing pressure to 10Torr or less with a vacuum pump; starting heating and keeping the Mn in a molten state for 10 to 60 minutes; and then ending the melting reaction for obtaining a high purity metal Mn. Provided is a method for manufacturing a high purity metal Mn from a commercially available electrolytic Mn. In particular, an object is to obtain a high purity metal Mn in which the amount of impurities such as B, Mg, Al and Si is small. 1. A method for manufacturing a high purity Mn , the method comprising: placing a Mn raw material in a magnesia crucible to perform melting with the use of a vacuum induction melting furnace (VIM furnace) at a melting temperature of 1240 to 1400° C. under an inert atmosphere of 500 Torr or less; then adding calcium (Ca) in a range between 0.5 and 2.0% of the weight of Mn to perform deoxidation and desulfurization; casting the resultant in an iron mold after the completion of the deoxidation and desulfurization to manufacture an ingot; then placing the Mn ingot in a skull melting furnace; reducing pressure to 10Torr or less with a vacuum pump; starting heating and keeping the Mn in a molten state for 10 to 60 minutes; and then ending the melting reaction for obtaining a high purity Mn.2. A high purity Mn refined via vacuum induction melting (VIM) and skull melting , wherein a total amount of B , Mg , Al , Si , S , Ca , Cr ...

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Номер записи: 43
05-02-2015 дата публикации

COPPER ALLOY SPUTTERING TARGET AND MANUFACTURING METHOD OF COPPER ALLOY SPUTTERING TARGET

Номер: US20150034482A1
Автор: Mori Satoru, Ookubo Kiyoyuki, SAKAMOTO Toshio
Принадлежит:

A copper alloy sputtering target is formed by a copper alloy including the content of Ca being 0.3 to 1.7% by mass, the total content of Mg and Al being 5 ppm or less by mass, the content of oxygen being 20 ppm or less by mass, and the remainder is Cu and inevitable impurities. A manufacturing method of a copper alloy sputtering target comprises steps of: preparing a copper having purity of 99.99% or more by mass; melting the copper so as to obtain a molten copper; controlling components so as to obtain a molten metal having a predetermined component composition by the addition of Ca having a purity of 98.5% or more by mass into the molten copper and by melting the Ca; casting the molten metal so as to obtain an ingot; and performing stress relieving annealing after performing hot rolling to the ingot. 1. A copper alloy sputtering target formed by a copper alloy containing:the content of Ca being 0.3 to 1.7% by mass;the total content of Mg and Al being 5 ppm or less by mass;the content of oxygen being 20 ppm or less by mass; andthe remainder is Cu and inevitable impurities.2. The copper alloy sputtering target according to claim 1 , whereinFe, Mn and Si are contained as the inevitable impurities in the copper alloy sputtering target, and the content of Fe is 1 ppm or less by mass, the content of Mn is 1 ppm or less by mass, and the content of Si is 1 ppm or less by mass.3. A manufacturing method of the copper alloy sputtering target claim 1 , the sputtering target being the copper alloy sputtering target according to claim 1 , comprising the steps of:preparing a copper having purity of 99.99% or more by massmelting the copper by a high frequency induction heating in a crucible in an inert gas atmosphere or a reducing gas atmosphere so as to obtain a molten copper;controlling component so as to obtain a molten metal having a predetermined component compositions by the addition of Ca having purity of 98.5% or more by mass into the molten copper and by melting the Ca; ...

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Номер записи: 44
04-02-2021 дата публикации

UNISOURCE HIGH-STRENGTH ULTRASOUND-ASSISTED METHOD FOR CASTING LARGE-SPECIFICATION 2XXX SERIES ALUMINIUM ALLOY ROUND INGOT

Номер: US20210032728A1
Автор: JIANG Ripeng, LI Ruiqing, LI Xiaoqian, Liu Zhilin, Peng Hao, ZHANG Lihua, ZHAO Xiaolin
Принадлежит: CENTRAL SOUTH UNIVERSITY

In the technical field of metal melting, a unisource high-strength ultrasound-assisted method for casting large-specification 2XXX series aluminum alloy round ingots applies in an ingot guiding process, a unisource high-strength ultrasonic vibration system to the center of a hot-top crystallizer, ultrasound directly acts on the center position of a crystallizer, and enough ultrasonic field energy is provided for a melt by controlling the power of the ultrasonic vibration system, so that an aluminum alloy solidification process is implemented under the effect of ultrasound, homogenization of microstructures and components of ingots is promoted, and the existing problems that microstructures are thick and crystal phases are enriched due to slow cooling of centers of large-specification round ingots are effectively solved, meanwhile, the problems of great operation difficulty and heavy workload during multisource ultrasonic coupling are avoided. 1. A unisource high-strength ultrasound-assisted method for casting large-specification 2XXX series aluminum alloy round ingots , comprising the following steps: enabling melt of 2XXX series aluminum alloy to flow into a hot-top crystallizer,', 'after ingot guiding is started, applying a set of ultrasonic vibration system to the center of a crystallizer of the hot-top crystallizer, and, 'performing solidification and ingot guiding by'}when casting is about to end, removing the ultrasonic vibration system, to obtain a large-specification 2XXX series aluminum alloy round ingot;wherein power of the ultrasonic vibration system being is 2˜4 kw; andwherein diameter of the large-specification 2XXX series aluminum alloy round ingot is ≥500 mm.2. The method according to claim 1 , wherein the diameter of the large-specification 2XXX series aluminum alloy round ingot is 500-1380 mm.3. The method according to claim 1 , wherein the ultrasonic vibration system comprises an ultrasonic transducer claim 1 , an amplitude transformer and a ...

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Номер записи: 45
11-02-2016 дата публикации

METHOD OF CASTING LITHIUM CONTAINING ALUMINIUM ALLOYS

Номер: US20160038997A1
Автор: Brandt Fred
Принадлежит:

Method of casting aluminium alloy ingot including lithium, including: preparing at least two molten aluminium based alloys in separate furnaces, first alloy with composition A free from lithium as purposive alloying element, and second alloy with composition B including lithium as purposive alloying element; transferring the first alloy via metal conveying trough from the furnace to a casting station; initiating casting an ingot and casting the first alloy to required length L in the casting direction; subsequently transferring the second alloy via metal conveying trough from the furnace to the casting station while simultaneously stopping transfer of the first alloy to the casting station; casting the second alloy from an end surface of the cast first alloy at length L to an additional required length L in the casting direction; cropping the cast ingot at a bottom thereof at a length greater than of equal to cast length L 1. A method of casting an ingot of an aluminium alloy comprising lithium , the ingot having a length L , width W , and thickness T , the method comprising the steps of:(a) preparing at least two molten aluminium based alloys in separate furnaces, a first alloy with a composition A which is free from lithium as purposive alloying element, and a second alloy with a composition B which comprises lithium as purposive alloying element;(b) transferring the first alloy via a metal conveying trough from the furnace to a casting station;{'b': '1', '(c) initiating the start of casting an ingot and casting the first alloy to a required length L of an ingot in the casting direction;'}(d) subsequently transferring the second alloy via a metal conveying trough from the furnace to the casting station while simultaneously stopping the transfer of the first alloy to said casting station;{'b': 1', '2, '(e) casting the second alloy from an end surface of the cast first alloy at length L to an additional required length L in the casting direction;'}{'b': '1', '(f) ...

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Номер записи: 46
09-02-2017 дата публикации

Continuous casting method for ingots obtained from titanium or titanium alloy

Номер: US20170036265A1
Автор: Eisuke KUROSAWA, Hidetaka Kanahashi, Hideto Oyama, Kazuyuki Tsutsumi, Takehiro Nakaoka
Принадлежит: Kobe Steel Ltd

For continuously casting an ingot of titanium or titanium alloy, molten titanium or titanium alloy is poured into a top opening of a bottomless mold with a circular cross-sectional shape, the solidified molten metal in the mold is pulled downward from the mold, a plurality of plasma torches disposed on an upper side of molten metal in the mold such that their centers are located directly vertically above the molten metal in the mold, are operated to generate plasma arcs that heat the molten metal in the mold, and the plasma torches are moved in a horizontal direction above a melt surface of the molten metal in the mold, along a trajectory located directly vertically above the molten metal in the mold, while keeping a mutual distance between the respective plasma torches such that the plasma torches do not interfere with each other.

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Номер записи: 47
11-02-2016 дата публикации

SURFACE HARDENABLE STAINLESS STEELS

Номер: US20160040262A1
Автор: Feinberg Zechariah, Gong Jiadong, Jou Herng-Jeng, Sebastian Jason T., Snyder David R., Wright James A.
Принадлежит:

Alloys, a process for preparing the alloys, and manufactured articles including the alloys are described herein. The alloys include, by weight, about 11.5% to about 14.5% chromium, about 0.01% to about 3.0% nickel, about 0.1% to about 1.0% copper, about 0.1% to about 0.2% carbon, about 0.01% to about 0.1% niobium, 0% to about 5% cobalt, 0% to about 3.0% molybdenum, and 0% to about 0.5% titanium, the balance essentially iron and incidental elements and impurities 1. An alloy comprising , by weight , about 11.5% to about 14.5% chromium , about 0.1% to about 3.0% nickel , about 0.1% to about 1.0% copper , about 0.1% to about 0.3% carbon , about 0.01% to about 0.1% niobium , 0% to about 5% cobalt , 0% to about 3.0% molybdenum , and 0% to about 0.5% titanium , the balance essentially iron and incidental elements and impurities.2. The alloy of claim 1 , wherein the alloy comprises claim 1 , by weight claim 1 , about 12.0% to about 14.1% chromium claim 1 , about 0.3% to about 1.7% nickel claim 1 , about 0.2% to about 0.5% copper claim 1 , about 0.1% to about 0.2% carbon claim 1 , about 0.04% to about 0.06% niobium claim 1 , 0% to about 3.0% cobalt claim 1 , 0% to about 1.5% molybdenum claim 1 , and 0% to about 0.1% titanium claim 1 , the balance essentially iron and incidental elements and impurities.3. The alloy of claim 1 , wherein the alloy has nitrogen solubility of about 0.25% to about 0.40%.4. The alloy of claim 3 , wherein the alloy has a ratio of nitrogen to carbon claim 3 , by weight claim 3 , of 1.5 to 3.5.5. The alloy of claim 4 , wherein the sum of the nitrogen and carbon content of the alloy is claim 4 , by weight claim 4 , about 0.35% to about 0.65%.6. The alloy of claim 1 , wherein the alloy has a core δ-ferrite solvus temperature of at least 1180° C.7. The alloy of claim 1 , wherein the alloy has a case martensite start temperature of at least 145° C.8. The alloy claim 1 , wherein the alloy has a case hardness of at least 60 HRC claim 1 , measured according ...

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Номер записи: 48
11-02-2016 дата публикации

Ni-based superalloy with excellent unsusceptibility to segregation

Номер: US20160040277A1
Автор: Eiji Maeda, Koji Kajikawa, Ryuichi Yamamoto, Satoru Ohsaki, Takashi Nakano, Tatsuya Takahashi, Yoshikuni Kadoya
Принадлежит: Japan Steel Works Ltd, Mitsubishi Heavy Industries Ltd

A subject for the invention is to diminish the occurrence of streak-type segregation in producing a material comprising a Ni-based superalloy. The invention relates to a Ni-based superalloy having excellent unsusceptibility to segregation, characterized by comprising: 0.005 to 0.15 mass % of C; 8 to 22 mass % of Cr; 5 to 30 mass % of Co; equal or greater than 1 and less than 9 mass % of Mo; 5 to 21 mass % of W; 0.1 to 2.0 mass % of Al; 0.3 to 2.5 mass % of Ti; up to 0.015 mass % of B; and up to 0.01 mass % of Mg, with the remainder comprising Ni and unavoidable impurities.

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Номер записи: 49
12-02-2015 дата публикации

INGOT FOR BEARING AND PRODUCTION PROCESS

Номер: US20150041026A1
Автор: Honjo Minoru, Mitao Shinji, Uwai Kiyoshi
Принадлежит:

A method is provided with which a bearing steel, even when obtained from an ingot, is made to have a segregation part reduced in the degree of segregation and maximum inclusion diameter. The ingot contains 0.56-0.70 mass % C, 0.15-0.50 mass %, excluding 0.50 mass %, Si, 0.60-1.50 mass % Mn, 0.50-1.10 mass % Cr, 0.05-0.5 mass % Mo, up to 0.025 mass % P, up to 0.025 mass % S, 0.005-0.500 mass % Al, up to 0.0015 mass % O, and 0.0030-0.015 mass % N, with the remainder comprising Fe and incidental impurities. The ingot has a degree of segregation of 2.8 or less and a predicted value of the maximum diameter of inclusions present in 30,000 mmof the ingot, as calculated by extreme value statistics, of 60 μm or less. 15-. (canceled)6. An ingot material for bearings comprising a chemical composition containing:C: 0.56 mass % or more and 0.70 mass % or less,Si: 0.15 mass % or more and less than 0.50 mass %;Mn: 0.60 mass % or more and 1.50 mass % or less;Cr: 0.50 mass % or more and 1.10 mass % or less;Mo: 0.05 mass % or more and 0.5 mass % or less;P: 0.025 mass % or less;S: 0.025 mass % or less;Al: 0.005 mass % or more and 0.500 mass % or less;O: 0.0015 mass % or less;N: 0.0030 mass % or more and 0.015 mass % or less; and{'sup': '2', 'claim-text': {'br': None, 'i': C', '/C, 'sub': Mo(max)', 'Mo(ave), '≦2.8\u2003\u2003(1)'}, 'the balance including Fe and incidental impurities, wherein a degree of segregation defined by the following formula (1) is 2.8 or less, and a predicted value of the maximum diameter of inclusions present in 30000 mmof the ingot, as calculated by extreme value statistics, is 60 μm or less{'sub': Mo(max)', 'Mo(ave), 'where Crepresents a maximum value of Mo intensity and Crepresents an average value of Mo intensity.'}7. The ingot material for bearings according to claim 6 , wherein the chemical composition further contains at least one element selected from:Cu: 0.005 mass % or more and 0.5 mass % or less; andNi: 0.005 mass % or more and 1.00 mass % or less.8. ...

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Номер записи: 50
12-02-2015 дата публикации

High Strength Aluminum Fin Stock for Heat Exchanger

Номер: US20150041027A1
Автор: AHMED HANY, Aluia Derek William, Baciak, Gatenby Kevin Michael, HOWELLS ANDREW D., III John Michael, KADALI JYOTHI
Принадлежит:

The present invention provides an aluminum alloy fin stock material with higher strength, and improved sag resistance for use in heat exchangers, such as automotive heat exchangers. The aluminum alloy fin stock material is produced from an aluminum alloy comprising about 0.8-1.4 wt % Si, 0.4-0.8 wt % Fe, 0.05-0.4 wt % Cu, 1.2-1.7 wt % Mn and 1.20-2.3 wt % Zn, with the remainder as Al. The aluminum alloy fin stock material is made by a process comprising direct chill casting the aluminum alloy into an ingot, preheating the ingot, hot rolling the preheated ingot, cold rolling the ingot and inter-annealing at a temperature of 275-400° C. After inter-annealing, the aluminum alloy fin stock material is a cold rolled in a final cold rolling step to achieve % cold work (% CW) of 20-35%. 1. An aluminum alloy comprising about 0.8-1.4 wt % Si , 0.4-0.8 wt % Fe , 0.05-0.4 wt % Cu , 1.2-1.7 wt % Mn and 1.20-2.3 wt % Zn , with the remainder as Al.2. The aluminum alloy of claim 1 , comprising about 0.9-1.3 wt % Si claim 1 , 0.45-0.75 wt % Fe claim 1 , 0.10-0.3 wt % Cu claim 1 , 1.3-1.7 wt % Mn and 1.30-2.2 wt % Zn claim 1 , with the remainder as Al.3. The aluminum alloy of claim 1 , comprising about 0.9-1.2 wt % Si claim 1 , 0.5-0.75 wt % Fe claim 1 , 0.15-0.3 wt % Cu claim 1 , 1.4-1.6 wt % Mn and 1.4-2.1 wt % Zn claim 1 , with the remainder as Al.4. The aluminum alloy of claim 1 , comprising about 0.9-1.1 wt % Si claim 1 , 0.5-0.6 wt % Fe claim 1 , 0.15-0.25 wt % Cu claim 1 , 1.5-1.6 wt % Mn and 1.5-1.6 wt % Zn claim 1 , with the remainder as Al.5. The aluminum alloy of claim 1 , comprising about 0.90-1.0 wt % Si claim 1 , 0.55 wt % Fe claim 1 , 0.15-0.20 wt % Cu claim 1 , 1.5 wt % Mn and 1.5 wt % Zn claim 1 , and with the remainder as Al.6. The aluminum alloy of claim 5 , comprising about 0.95 wt % Si and 0.15 wt % Cu.7. The aluminum alloy of claim 1 , comprising about 1.0-1.2 wt % Si claim 1 , 0.5-0.6 wt % Fe claim 1 , 0.2-0.3 wt % Cu claim 1 , 1.4-1.55 wt % Mn and 1.9-2.1 wt ...

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Номер записи: 51
07-02-2019 дата публикации

A MOULD FOR THE MANUFACTURING OF MOULD STEELS IN AN INERTGAS OR A PRESSURIZED ELECTRO SLAG REMELTING PROCESS

Номер: US20190039127A1
Автор: Persson Eva Sjoqvist
Принадлежит:

The invention relates to a mould for the manufacturing of mould steels in an inert gas or a pressurized electro slag re-melting apparatus. The mould comprises a non-rectangular and non-circular inner copper sleeve having a width, w, of 1000-2500 mm and a thickness, t, of 700-1250 mm, wherein the short sides in the thickness direction of the copper sleeve at least partly have sections with curved surfaces and wherein the long sides in the width direction at least partly have sections with curved surfaces. 1. A mould for the manufacturing of mould steels in an inert gas or a pressurized electro slag re-melting process , characterized in that the mould comprises a non-rectangular and non-circular inner copper sleeve having a width , w , of 1000-2500 mm and a thickness , t , of 700-1250 mm , wherein the short sides in the thickness direction of the copper sleeve , at least partly , have sections with curved surfaces and wherein the long sides in the width direction , at least partly , have sections with curved surfaces.2. A mould according to claim 1 , wherein the curved surfaces of the short sides have a constant radius of curvature.3. A mould according to claim 1 , wherein the curved surfaces of the short sides have a variable radius of curvature.4. A mould according to claim 1 , wherein the mid thickness of the mould at w/2 is the same as the thickness at the quarter thickness of the mould at w/4 from both short sides of the mould.5. A mould according to claim 1 , wherein the mid thickness of the mould at w/2 is at least 10 mm thicker than the quarter thickness at w/4 of the mould from both short sides of the mould.6. A mould according to claim 3 , wherein the mould has an oval claim 3 , elliptical or super-elliptical form.7. A mould according to claim 1 , wherein the mould has a width of 1500-2000 mm and/or a thickness of 800-1050 mm.8. A mould according to claim 1 , wherein the long sides have at least one straight section.9. A mould according to claim 1 , wherein ...

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Номер записи: 52
07-02-2019 дата публикации

Arcuate Directionally Solidified Components and Manufacture Methods

Номер: US20190039128A1
Автор: Bochiechio Mario P., Bullied Steven J., Cetel Alan D., Cowles Bradford A., Furrer David U., Genereux Paul D., JR. John J., Marcin, Schlichting Kevin W., Seetharaman Venkatarama K., Shah Dilip M., Verner Carl R.
Принадлежит: UNITED TECHNOLOGIES CORPORATION

A method for casting comprising: providing a seed, the seed characterized by: an arcuate form and a crystalline orientation progressively varying along an arc of the form; providing molten material; and cooling and solidifying the molten material so that a crystalline structure of the seed propagates into the solidifying material. 1. A method for casting comprising:forming a seed by bending at least one precursor of the seed into an arcuate form;providing molten material; andcooling and solidifying the molten material so that a crystalline structure of the seed propagates into the solidifying material.2. The method of further comprising:partially melting the seed.3. The method of wherein the cooling and solidifying comprises:passing a solidification front through an arcuate planform passageway passing radially back and forth in a non-line-of-sight manner.4. The method of wherein:the seed has weld or braze joint.5. The method of wherein:the weld or braze joint is partial height.6. The method of wherein:the seed is a full annulus.7. The method of further comprising forming the precursor of the seed by casting.8. The method of wherein:the bending is by at least 40°.9. The method of wherein:the at least one precursor is a plurality of precursors;the bending is of the plurality of precursors to form a plurality of arcuate segments; andthe forming further comprises assembling end-to-end the plurality of arcuate segments.10. The method of wherein:two to eight said segments combine to encircle at least 350° about a central longitudinal axis of the seed.11. The method of wherein the assembling comprises one or more of:clamping;welding; andbrazing.12. The method of wherein the assembling comprises:tack welding.13. The method of wherein:the providing the molten material comprises pouring a molten metal.14. The method of further comprising:forging the solidified metal; andmachining the forged metal.15. The method of wherein:a pre-forging height to diameter ratio is not greater ...

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Номер записи: 53
12-02-2015 дата публикации

METHOD FOR PRODUCING MOLD STEEL, MOLD STEEL, METHOD OF PRODUCING PRE-HARDENED MOLD MATERIAL, AND PRE-HARDENED MOLD MATERIAL

Номер: US20150044087A1
Автор: Ayabe Yousuke, Intoh Yuuki, MISHIMA Setsuo, Nakatsu Hideshi, Tamura Yasushi
Принадлежит:

A method of producing a mold steel, the method including a first process of preparing a molten steel A that is obtained after vacuum refining and has a component composition including from 0.005% to 0.1% by mass of C, from 1.0% to 5.0% by mass of Ni, from 3.0% to 8.0% by mass of Cr, more than 0% but less than or equal to 2.0% by mass of Mo, more than 0% but less than or equal to 3.5% by mass of Cu, and more than 0% but less than or equal to 2.0% by mass of Al, in which an amount of O is 0.005% by mass or less and an amount of N is 0.03% by mass or less; a second process of reducing the amount of O and the amount of N in the molten steel A, by slag refining the molten steel A, to obtain a molten steel B; and a third process of casting the molten steel B, is provided. 1. A method of producing a mold steel , the method comprising:a first process of preparing a molten steel A that is obtained after vacuum refining and has a component composition comprising from 0.005% to 0.1% by mass of C, from 1.0% to 5.0% by mass of Ni, from 3.0% to 8.0% by mass of Cr, more than 0% but less than or equal to 2.0% by mass of Mo, more than 0% but less than or equal to 3.5% by mass of Cu, and more than 0% but less than or equal to 2.0% by mass of Al, wherein an amount of O is 0.005% by mass or less and an amount of N is 0.03% by mass or less;a second process of reducing the amount of O and the amount of N in the molten steel A, by slag refining the molten steel A, to obtain a molten steel B; anda third process of casting the molten steel B.2. The method of producing a mold steel according to claim 1 , wherein the molten steel B comprises more than 0% but less than or equal to 0.05% by mass of S.3. The method of producing a mold steel according to claim 1 , wherein claim 1 , in the molten steel B claim 1 , the amount of O is 0.001% by mass or less and the amount of N is 0.01% by mass or less.4. The method of producing a mold steel according to claim 1 , wherein the molten steel B comprises ...

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Номер записи: 54
18-02-2016 дата публикации

METHOD FOR MANUFACTURING HOLLOW INGOT FOR RETAINING RING OF LARGE GENERATOR BY ELECTROSLAG REMELTING

Номер: US20160045952A1
Автор: Chen Xu, Deng Xin, Jiang ZhouHua, Li Huabing, Liu FuBin, Zang XiMin
Принадлежит:

A method for manufacturing hollow ingot for retaining ring of large generator by electroslag remelting, comprising the following steps: (1) preparing consumable electrode assemblies; (2) melting slag into molten slag; (3) inserting one consumable electrode assembly into an electroslag remelting hollow ingot mold; (4) switching on two transformers; (5) pouring the molten slag into the electroslag remelting hollow ingot mold; (6) forming a current circuit among a stub, the consumable electrode assembly and a water-cooled bottom plate; (7) forming a current circuit among the upper segment, the water-cooled bottom plate and the transformer; (8) regulating the output current and voltage of the two transformers; (9) starting a withdrawing device to withdraw; (10) exchanging the consumable electrode assembly; (11) inserting a subsequent consumable electrode assembly into the molten slag, and repeating steps (8) to (10) until withdrawing is completed. 1. A method for manufacturing hollow ingot for retaining ring of large generator by using electroslag remelting characterized by comprising the following steps:(1) preparing a number of consumable electrode assemblies, each of which is composed of two parts with the same size;(2) adding slag into a slag melting furnace, and powering on to melt the slag into molten slag;(3) before pouring the molten slag, lowering the consumable electrode assembly by consumable electrode lifting devices and inserting them into a mold for electroslag remelting of hollow ingot; the mold mentioned above is composed of a T-shaped external mold and an internal mold; the internal mold is composed of a water cooled cylinder and a cross beam on the top of the water cooled cylinder, the cross beam is fixed on the upper flange of the T-shaped external mold, and a cooling water channel is arranged in the water cooled sleeve for allowing cooling water to flow; the T-shaped external mold comprises an upper segment and a lower segment, between which an ...

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Номер записи: 55
01-05-2014 дата публикации

METHOD FOR PRODUCTION OF TITANIUM INGOT USING SCRAP AND APPARATUS THEREFOR

Номер: US20140121815A1
Автор: Asaoka Takayuki, Oda Takashi, Taki Kazuhiro, Tanaka Hisamune, Yamamoto Norio
Принадлежит:

High quality titanium ingot is produced by using recovered titanium scrap as a raw material and adding additives. Scrap, each having individual information of identification and process profile information, is passed through automatic reading means to obtain the information and to store it in a data server. A calculating means calculates a combination of the scrap, titanium sponge and additives and feed rate of each of them so as to satisfy chemical composition and producing rate of a target ingot product using the individual identification pieces of information stored in the data server, during a beginning step of the ingot production, and transmits electrical signals corresponding to calculated results of the combination and the feed rates from the calculating means to a feed rate controlling means of each feed means of the titanium scrap, titanium sponge, and additives and then starting supply of them, and detecting means equipped at an extracting part of the ingot product reads actual producing rate of the ingot product, after the beginning step of the ingot production. The calculating means controls feed rate of the titanium scrap, titanium sponge, and/or additives based on the actual producing rate. 1. A method for production of titanium ingot in which titanium scrap is partially employed as a raw materials of the titanium ingot , the method comprising steps of:obtaining individual information for identification by passing at least one kind of titanium scrap each having individual information for identification through automatic reading means,transmitting the obtained individual information for identification to a data server and then storing therein,calculating one combination among the titanium scrap, titanium sponge and additives and feeding rate of each of them to satisfy chemical composition and producing rate of a target ingot by using individual information for identification stored in the data server, during a preliminary step of the ingot production, ...

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Номер записи: 56
16-02-2017 дата публикации

COPPER ALLOY SHEET STRIP WITH SURFACE COATING LAYER EXCELLENT IN HEAT RESISTANCE

Номер: US20170044651A1
Автор: HASHIMOTO Daisuke, TSURU Masahiro
Принадлежит: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)

Disclosed is a copper alloy sheet strip with a surface coating layer, including a copper alloy sheet strip, as a base material, consisting of Ni: 0.4 to 2.5% by mass, Sn: 0.4 to 2.5% by mass, and P: 0.027 to 0.15% by mass, a mass ratio Ni/P between the Ni content to the P content being less than 25, as well as any one of Fe: 0.0005 to 0.15% by mass, Zn: 1% by mass or less, Mn: 0.1% by mass or less, Si: 0.1% by mass or less, and Mg: 0.3% by mass or less, with the balance being Cu and inevitable impurities, and having a structure in which precipitates are dispersed in a copper alloy matrix, each precipitate having a diameter of 60 nm or less, 20 or more precipitates each having a diameter of 5 nm or more and 60 nm or less being observed in the visual field of 500 nm×500 nm; and the surface coating layer composed of a Ni layer, a Cu—Sn alloy layer, and a Sn layer formed on a surface of the copper alloy sheet strip in this order; wherein the Ni layer has an average thickness of 0.1 to 3.0 μm, the Cu—Sn alloy layer has an average thickness of 0.1 to 3.0 μm, and the Sn layer has an average thickness of 0.05 to 5.0 μm; wherein the Cu—Sn alloy layer is partially exposed on the outermost surface of the surface coating layer and a surface exposed area ratio thereof is in a range of 3 to 75%; and wherein the Cu—Sn alloy layer is composed of: 1) a η layer, or 2) a ε phase and a η phase, the ε phase existing between the Ni layer and the η phase, a ratio of the average thickness of the ε phase to the average thickness of the Cu—Sn alloy layer being 30% or less, and a ratio of the length of the ε phase to the length of the Ni layer being 50% or less. 118-. (canceled)19. A copper alloy sheet strip with a surface coating layer , comprising:a copper alloy sheet strip, as a base material, comprising Ni: 0.4 to 2.5% by mass, Sn: 0.4 to 2.5% by mass, and P: 0.027 to 0.15% by mass, a mass ratio Ni/P between the Ni content to the P content being less than 25, as well as one or more of Fe: ...

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Номер записи: 57
15-02-2018 дата публикации

Highly formable automotive aluminum sheet with reduced or no surface roping and a method of preparation

Номер: US20180044755A1
Автор: Alok Gupta, Aude Despois, David Custers, Rajeev G. Kamat
Принадлежит: Novelis Inc Canada

Disclosed are novel processes to increase productivity on a continuous anneal and solution heat treatment line for heat-treatable automotive aluminum sheet products with high T4 and after-paint bake strengths and reduced roping. As a non-limiting example, the processes described herein can be used in the automotive industry. The disclosed heat treatable alloys and processes also may be applicable to the marine, aerospace, and transportation industries.

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Номер записи: 58
25-02-2021 дата публикации

PROCESS AND APPARATUS FOR PRODUCING METAL INGOTS

Номер: US20210053109A1
Автор: Faoro Giovanni
Принадлежит: IKOI S.P.A.

A process for producing metal ingots includes the steps of: a) filling at least one ingot mould at a filling temperature with at least one metal charge in the solid state, which has a melting temperature higher than ambient temperature, b) melting the metal charge by heating the ingot mould to a heating temperature higher than or equal to the melting temperature of the metal charge, c) solidifying the molten metal charge into an ingot by cooling the ingot mould to a cooling temperature lower than the melting temperature of the metal charge and higher than the ambient temperature, d) extracting the ingot from the ingot mould at an extraction temperature, and e) repeating steps a) to d). At steady state, both the filling temperature and the extraction temperature are lower than or equal to the cooling temperature and higher than the ambient temperature. 1. A process for producing at least one metal ingot , the process comprising:{'sub': 'rp', 'a) filling at least one ingot mould at a filling temperature Twith at least one metal charge, which is in a solid state and has a melting temperature that is higher than ambient temperature,'}{'sub': rs', 'f, 'b) melting said at least one metal charge in the solid state by heating said at least one ingot mould filled with said at least one metal charge in the solid state up to a heating temperature Tthat is higher than or equal to the melting temperature Tuntil the metal charge melts thereby obtaining at least one molten metal charge,'}{'sub': rf', 'f', 'a, 'c) solidifying said at least one molten metal charge into at least one metal ingot by cooling said at least one ingot mould containing said at least one molten metal charge to a cooling temperature Tthat is lower than said melting temperature Tand higher than the ambient temperature Tuntil said molten metal charge is solidified into said at least one metal ingot,'}{'sub': 'e', 'd) extracting said at least one metal ingot from said at least one ingot mould at an extraction ...

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Номер записи: 59
13-02-2020 дата публикации

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

Номер: US20200047246A1
Автор: Godlewski Larry, Lee Andre, Li Mei, Lu Yang, Zindel Jacob
Принадлежит:

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 ...

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Номер записи: 60
03-03-2016 дата публикации

PRODUCTION PROCESS FOR TiAl COMPONENTS

Номер: US20160059312A1
Автор: SCHLOFFER Martin, Smarsly Wilfried
Принадлежит:

The present invention relates to a process for producing a component, in particular a component for a turbomachine, composed of a TiAl alloy, which comprises the following: 1. A process for producing a component of a TiAl alloy , wherein the process comprises:introduction of a powder of the TiAl alloy into a capsule whose shape corresponds to a shape of the component to be produced and closing of the capsule,hot isostatic pressing of the capsule together with the powder,heat treatment of the hot isostatically pressed capsule,removal of the capsule,post-working of a contour of the component by removal of material.2. The process of claim 1 , wherein the powder has been produced by a process which comprises at least one of the following:pressing of starting materials or melting of prealloys which consist of or comprise the components to be alloyed,melting of the alloy by one or more of single or multiple plasma arc melting (PAM), vacuum arc remelting (VAR), vacuum induction melting (VIM),atomization of the alloy to produce the powder from a melt bath or with the aid of a cast ingot,classification of powder fractions and selection of one or more powder fractions having average or maximum particle diameters or maximum dimensions smaller than or equal to 150 μm, andpurification of the powder in a plasma purification process.3. The process of claim 1 , wherein the capsule is formed of titanium or a Ti alloy.4. The process of claim 1 , wherein the capsule is formed by at least two shaped parts.5. The process of claim 1 , wherein the capsule is overdimensioned relative to the component to be produced.6. The process of claim 1 , wherein the introduction of the powder is carried out under protective gas or under reduced pressure.7. The process of claim 1 , wherein the powder before introduction into the capsule or a filled but not yet closed capsule is subjected to a heat treatment under reduced pressure.8. The process of claim 7 , wherein cooling after the heat treatment is ...

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Номер записи: 61
03-03-2016 дата публикации

ABRASION RESISTANT STEEL PLATE HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND HYDROGEN EMBRITTLEMENT RESISTANCE AND METHOD FOR MANUFACTURING THE SAME

Номер: US20160060721A1
Автор: Ishikawa Nobuyuki, Miura Shinichi, Nagao Akihide
Принадлежит:

Abrasion resistant steel plates with excellent low-temperature toughness and hydrogen embrittlement resistance having a Brinell hardness of 401 or more, and methods for manufacturing such steel plates. The steel plates have a lath martensitic structure with an average grain size of not more than 20 μm, and the steel plates include fine precipitates that are 50 nm or less in diameter and that have a density of 50 or more particles per 100 μm. Additionally, the steel plates include, by mass %, C: 0.20 to 0.30%, Si: 0.05 to 0.5%, Mn: 0.5 to 1.5%, Cr: 0.05 to 1.20%, Nb: 0.01 to 0.08%, B: 0.0005 to 0.003%, Al: 0.01 to 0.08%, N: 0.0005 to 0.008%, P: not more than 0.05%, S: not more than 0.005%, and O: not more than 0.008%, the balance being Fe and inevitable impurities. 1. An abrasion resistant steel plate with excellent low-temperature toughness and hydrogen embrittlement resistance comprising:C: 0.20 to 0.30%, by mass %;Si: 0.05 to 0.5%, by mass %;Mn: 0.5 to 1.5%, by mass %;Cr: 0.05 to 1.20%, by mass %;Nb: 0.01 to 0.08%, by mass %;B: 0.0005 to 0.003%, by mass %;Al: 0.01 to 0.08%, by mass %;N: 0.0005 to 0.008%, by mass %;P: not more than 0.05%, by mass %;S: not more than 0.005%, by mass %;O: not more than 0.008%, by mass %; andremaining Fe and unavoidable inevitable impurities as a balance, [{'sup': '2', 'the steel plate includes fine precipitates that are 50 nm or less in diameter and that have a density of 50 or more particles per 100 μm,'}, 'the steel plate has a lath martensitic structure from the surface of the steel plate to at least a depth of ¼ of the plate thickness, the lath martensitic structure having an average grain size of not more than 20 μm such that the average grain size is the average grain size of crystal grains surrounded by high-angle grain boundaries having an orientation difference of 15° or more, and', 'the steel plate has a Brinell hardness (HBW10/3000) of 401 or more., 'wherein2. The abrasion resistant steel plate with excellent low- ...

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Номер записи: 62
01-03-2018 дата публикации

Hollow Forging Process for Main Shaft of Large Wind Turbine Generator

Номер: US20180057904A1
Автор: Liu Shengxiang, Ma Shengyi, Qi Zhenhua, Yan Zhenwei
Принадлежит:

A hollow forging process for main shaft of large wind turbine generator, wherein, comprising the following steps as: the first step of cutting off the dead head and the bottom of an ingot; the second step of upsetting and punching a hole; the third step of drawing-out; and the fourth step of local upsetting, drawing-out and shaping-up. In the fourth step, the forged piece is shaped up by local upsetting and drawing-out through a turnplate. The hollow forging process for main shaft created by the invention can save the costs for enterprise to purchase large equipment and makes it possible to forge the main shaft of large wind turbine generator with a free forging oil press with a smaller size. 1. A hollow forging process for main shaft of large wind turbine generator , comprising the following steps:a first step of cutting off the dead head and the bottom of an ingot;a second step of upsetting and punching a hole;a third step of drawing-out; anda fourth step of local upsetting, drawing-out and shaping-up.2. The hollow forging process for main shaft of large wind turbine generator according to claim 1 , wherein claim 1 , in the fourth step claim 1 , the forged piece is shaped up by local upsetting and drawing-out through a turnplate; the turnplate comprises a circular turnplate base and a turnplate body connected to the turnplate base; a circular hole that matches the shape of the lower end of the main shaft to be processed is arranged on the turnplate body; a hole with a certain taper is arranged in the middle of the turnplate base claim 1 , which may ensure both excircle and inner hole of the main shaft will not result in eccentricity in combination with a core rod of the same taper.3. The hollow forging process for main shaft of large wind turbine generator according to claim 2 , wherein claim 2 , the overall core rod is a conic cylinder; the head of the core rod is cylindrical; the fillet radius of the end of the core rod is 30-50 mm and the taper of the core rod ...

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Номер записи: 63
28-02-2019 дата публикации

ENCLOSURE HAVING A SEALING DEVICE FOR A CASTING INSTALLATION

Номер: US20190060984A1
Автор: BALLU Arnaud, BLAIS Soizic, VALENTIN Bernard
Принадлежит: Constellium Issoire

An enclosure having a sealing device, for a casting installation, having a first body and a second body that is removably joined to the first body along a bearing axis, the first and second bodies together delimiting an internal chamber. The sealing device comprises: at least one compression member, at least one seal having a lateral contact face extending substantially parallel to the bearing axis; the compression member and the seal being arranged with respect to one another such that the compression member is in contact with the lateral contact face of the seal and exerts a compression force thereon that is oriented orthogonally to the bearing axis. 1. A casting installation enclosure comprising:a first body, and a second body that is removably joined to the first body along a bearing axis, the first and second bodies delimiting together an internal chamber, anda sealing device comprising:a compression member, tightly joined to the first body;a seal, tightly joined to the second body, having a lateral contact face extending substantially parallel to the bearing axis;the compression member and the seal being arranged with respect to one another such that the compression member is in contact with the lateral contact face of the seal and exerts a compression force thereon that is oriented substantially orthogonally to the bearing axis, thereby ensuring the tightness of the enclosure between the first and second bodies.2. The enclosure according to claim 1 , wherein the seal and the compression member extend longitudinally at the level of a peripheral edge of the enclosure.3. The enclosure according to claim 2 , wherein the seal and the compression member each extend along a closed continuous loop.4. The enclosure according to claim 1 , wherein the first and second bodies are joined to one another with a degree of freedom in local relative movement along the bearing axis claim 1 , the compression member remaining in contact with the lateral contact face of the seal.5 ...

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Номер записи: 64
17-03-2022 дата публикации

MOLTEN METAL TRANSFER STRUCTURE AND METHOD

Номер: US20220080498A1
Автор: Cooper Paul V., Fontana Vincent D.
Принадлежит: Molten Metal Equipment Innovations, LLC

The invention relates to systems for transferring molten metal from one structure to another. Aspects of the invention include a transfer chamber constructed inside of or next to a vessel used to retain molten metal. The transfer chamber is in fluid communication with the vessel so molten metal from the vessel can enter the transfer chamber. A powered device, which may be inside of the transfer chamber, moves molten metal upward and out of the transfer chamber and preferably into a structure outside of the vessel, such as another vessel or a launder. 1. A method for transferring molten metal from a vessel , wherein the vessel comprises: (a) a cavity configured for retaining molten metal; (b) an intake section in communication with the cavity; (c) a transfer well in communication with the intake section; (d) an outlet in communication with the transfer well; and (e) one or more brackets attached to the vessel , wherein the brackets are configured to position an insert next to an outside surface of the vessel such that an inlet of the insert aligns with the outlet of the vessel; the method comprising the steps of: positioning the insert next to the outside surface of the vessel so that the inlet of the insert aligns with the outlet of the vessel , and operating a molten metal pump positioned in the insert to move molten metal from the vessel into the insert.2. The method of claim 1 , wherein the pump comprises a rotor and drive shaft and that further includes the step of positioning the rotor and the drive shaft at least partially in an uptake section of the insert.3. The method of claim 1 , wherein the insert inlet has a cross-sectional area and the insert includes an uptake section that has a second cross-sectional area claim 1 , wherein the second cross-sectional area is larger than the cross-sectional area.4. The method of claim 3 , wherein the insert uptake section is cylindrical.5. The method of claim 3 , wherein the insert uptake section comprises a first ...

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Номер записи: 65
28-02-2019 дата публикации

7xxx series aluminum alloy products in a stabilized t4 temper and methods of making the same

Номер: US20190062886A1
Автор: David LEYVRAZ, Rajasekhar TALLA, Rajeev G. Kamat, Samuel R. WAGSTAFF, Steve CLERC
Принадлежит: Novelis Inc Canada

The present disclosure generally provides 7xxx series aluminum alloy products in a stable T4 temper. The disclosure also provides methods of making such products, for example, using processes that include a combination of casting, rolling, solutionizing, quenching, reheating, and slow cooling. The disclosure also provides various end uses of such products, such as in automotive, transportation, electronics, and industrial applications.

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Номер записи: 66
10-03-2016 дата публикации

ALMGSI STRIP FOR APPLICATIONS HAVING HIGH FORMABILITY REQUIREMENTS

Номер: US20160068939A1
Автор: Brinkman Henk-Jan, Brunger Eike, Karhausen Kai-Friedrich, Schröder Dietmar, Wirtz Thomas
Принадлежит: Hydro Aluminium Deutschland GmbH

The invention relates to a method for producing a strip made of an AlMgSi alloy in which a rolling ingot is cast of an AlMgSi alloy, the rolling ingot is subjected to homogenization, the rolling ingot which has been brought to rolling temperature is hot-rolled, and then is optionally cold-rolled to the final thickness thereof. The problem of providing a method for producing an aluminum strip made of an AlMgSi alloy and an aluminum strip, which has a higher breaking elongation with constant strength and therefore enables higher degrees of deformation in producing structured metal sheets, is solved in that the hot strip has a temperature of no more than 130° C. directly at the exit of the last rolling pass, preferably a temperature of no more than 100° C., and the hot strip is coiled at that or a lower temperature. 1. An aluminum strip comprising a AlMgSi alloy , wherein the aluminum ally is one of the alloy type AA6014 , AA6016 , AA6060 , AA6111 , or AA6181 produced with a method comprising:casting a rolling ingot;homogenizing the rolling ingot;hot rolling the rolling ingot using multiple hot rolling passes, the rolling ingot having been brought to a hot rolling temperature, and then optionally cold rolling the rolling ingot to a final thickness to produce a hot strip;wherein a cooling operation is performed within the last two hot rolling passes using at least one plate cooler and an emulsion charged hot rolling pass itself, wherein the hot rolling passes are carried out by the working rolls of a hot rolling mill, such that immediately after the exit from the last rolling pass from the hot rolling mill the hot strip has an exit temperature not above 130° C. and the hot strip is coiled at this or a lower temperature at the exit of the hot rolling mill to produce a finished rolled aluminum strip;wherein the aluminum strip in the T4 state has a breaking elongation A80 of at least 30% with a yield point of Rp0.2 from 80 to 140 MPa; andwherein the aluminum strip is ...

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Номер записи: 67
10-03-2016 дата публикации

SPUTTERING TARGET OF MULTI-COMPONENT SINGLE BODY AND METHOD FOR PREPARATION THEREOF, AND METHOD FOR PRODUCING MULTI-COMPONENT ALLOY-BASED NANOSTRUCTURED THIN FILMS USING SAME

Номер: US20160068943A1
Автор: Bae Jung Chan, Lee Chang Hun, MOON Kyoung Il, Shin Seung Yong, Sun Ju Hyun
Принадлежит: Korea Institute of Industrial Technology

The present invention relates to a sputtering target of a multi-component single body, a preparation method thereof, and a method for fabricating a multi-component alloy-based nanostructured thin film using the same. The sputtering target according to the present invention comprises an amorphous or partially crystallized glass-forming alloy system composed of a nitride forming metal element, which is capable of reacting with nitrogen to form a nitride, and a non-nitride forming element which has no or low solid solubility in the nitride forming metal element and does not react with nitrogen or has low reactivity with nitrogen, wherein the nitrogen forming metal element comprises at least one element selected from Ti, Zr, Hf, V, Nb, Ta, Cr, Y, Mo, W, Al, and Si, and the non-nitride forming element comprises at least one element selected from Mg, Ca, Sc, Ni, Cu, Ag, In, Sn, La, Au, and Pb. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. A method for preparing a sputtering target of a multi-component single body , the method comprising forming an amorphous or partially crystallized glass-forming alloy system from a nitride forming metal element and a non-nitride forming element which has no or low solid solubility in the nitride forming metal element and does not react with nitrogen or has low reactivity with nitrogen , wherein the nitrogen forming metal element comprises at least one element selected from Ti , Zr , Hf , V , Nb , Ta , Cr , Y , Mo , W , Al , and Si , and the non-nitride forming element comprises at least one element selected from Mg , Ca , Sc , Ni , Cu , Ag , In , Sn , La , Au , and Pb.7. The method of claim 6 , wherein the nitride forming metal element is contained at an atomic ratio of 40-80 at %.8. The method of claim 7 , wherein the nitride forming metal element is contained at an atomic ratio of 60-80 at %.9. The method of claim 6 , wherein the sputtering target comprises at least one low-melting-point oxide forming element ...

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Номер записи: 68
10-03-2016 дата публикации

METHOD FOR PRODUCING A METAL FILM

Номер: US20160071632A1
Автор: DE BOER Nicole, GILGES Stefan, HATTENDORF HEIKE, HECKMANN Andreas
Принадлежит: VDM Metals GmbH

A method for producing a metal film from an alloy having more than 50% nickel includes the following steps: (a) the alloy is melted in volumes of more than one ton in a vacuum induction furnace, or open in an induction or arc furnace, followed by treatment in a VOD or VLF system, (b) the alloy is then poured off in blocks, electrodes or as continuous casting to form a pre-product, followed by single or multiple re-melting by VAR and/or ESU (c) the pre-product is then annealed between 800 and 1350° C. for 1-300 hours under air or protection gas, (d) the pre-product is then hot-formed between 1300 and 600° C. to reduce the thickness of the input material by the factor 1.5-200, such that the pre-product has a thickness of 1-100 mm after the forming and is not recrystallized, recovered, and/or (dynamically) recrystallized having a grain size of smaller than 300 μm, (e) the pre-product is then pickled, (f) the pre-product is then cold-formed to produce a film having an end thickness of 10-600 μm, having a deformation ratio of greater than 90%, (g) the film is then cut into strips of 5-300 mm following the cold-forming, (h) the film strips are then annealed under protection gas between 600 and 1200° C. for 1 second to 5 hours in a continuous furnace, (i) wherein the annealed, film-like material is recrystallized after the annealing and has a high proportion of cubic texture. 1. Method for the production of a metal foil from an alloy with more than 50% nickel , containing the following method steps:(a) the alloy is melted in amounts of more than one metric ton in a vacuum induction furnace or openly in an induction or arc furnace, followed by a treatment in a VOD or VLF system,(b) then the alloy is cast into ingots, electrodes or as continuous casting for the formation of a primary product, if necessary followed by a single or multiple remelting by means of VAR and/or ESU(c) thereafter the primary product is annealed as needed at temperatures between 800 and 1350° C. for 1 ...

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Номер записи: 69
16-03-2017 дата публикации

LASER SENSOR FOR MELT CONTROL OF HEARTH FURNACES AND THE LIKE

Номер: US20170072461A1
Автор: LELAND ORION K., MCMENOMEY JOHN, TING JASON
Принадлежит: RETECH SYSTEMS LLC

A system and method for sensing the melt level of an ingot and/or molten material within one or more of a melting hearth, a refining hearth, tundish, and/or a casting mold within a furnace system. One or more laser melt height systems is configured and oriented to measure the melt level of one or more furnace system vessels within a closed furnace chamber, and thereby provide control information for regulating an overall melting, refining, casting, and/or atomization process. 1. A gas atomization system comprising:a vacuum chamber having a viewport;a melting crucible;a tundish, configured to receive a molten material from the melting crucible;a gas atomizer; anda laser melt height sensor system, configured to emit a laser beam and receive a laser signal to determine a level of the molten material within the tundish.2. The system of claim 1 , wherein the tundish is positioned below the viewport claim 1 , and wherein the laser melt height sensor system is positioned above the tundish and viewport claim 1 , outside of the vacuum chamber.3. The system of claim 1 , further comprising a controller electronically coupled to the laser melt height sensor system and the melting crucible claim 1 , configured to control a rate of at which the melting crucible provides molten material to the tundish based on the laser signal received by the laser melt height sensor system.4. The system of claim 1 , wherein the viewport is formed of a layered glass structure configured to transmit a laser beam into the vacuum chamber having an environment that facilitates a gas atomization process.5. A vacuum melting system comprising:a vacuum chamber having one or more viewports;a material feed;a melting hearth, configured to receive a feed material from the material feed and to render the feed material into a molten material, and operatively coupled with a primary heating unit;one or more refining hearths, each configured to receive the molten material from the melting hearth, and each ...

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Номер записи: 70
17-03-2016 дата публикации

ABRASION RESISTANT STEEL PLATE HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND METHOD FOR MANUFACTURING THE SAME

Номер: US20160076118A1
Автор: Ishikawa Nobuyuki, Miura Shinichi, Nagao Akihide
Принадлежит:

Abrasion resistant steel plates with excellent low-temperature toughness having a Brinell hardness of 361 or more, and methods for manufacturing such steel plates. The steel plates have a lath martensitic structure with an average grain size of not more than 20 μm, and the steel plates include fine precipitates that are 50 nm or less in diameter and that have a density of 50 or more particles per 100 μm. Additionally, the steel plates include, by mass %, C: 0.10 to less than 0.20%, Si: 0.05 to 0.5%, Mn: 0.5 to 1.5%, Cr: 0.05 to 1.20%, Nb: 0.01 to 0.08%, B: 0.0005 to 0.003%, Al: 0.01 to 0.08%, N: 0.0005 to 0.008%, P: not more than 0.05%, S: not more than 0.005%, and O: not more than 0.008%, the balance being Fe and inevitable impurities. 1. An abrasion resistant steel plate with excellent low-temperature toughness comprising:C: 0.10 to less than 0.20%, by mass %;Si: 0.05 to 0.5%, by mass %;Mn: 0.5 to 1.5%, by ass %;Cr: 0.05 to 1.20%, by mass %;Nb: 0.01 to 0.08%, by mass %;B: 0.0005 to 0.003%, by mass %;Al: 0.01 to 0.08%, by mass %;N: 0.0005 to 0.008%, by mass %;P: not more than 0.05%, by mass %;S: not more than 0.005%, by mass %;O: not more than 0.008%, by mass %; andremaining Fe and unavoidable inevitable impurities as a balance, [{'sup': '2', 'the steel plate includes fine precipitates that are 50 nm or less in diameter and that have a density of 50 or more particles per 100 μm,'}, 'the steel plate has a lath martensitic structure from the surface of the steel plate to at least a depth of ¼ of the plate thickness, the lath martensitic structure having an average grain size of not more than 20 μm such that the average grain size is the average grain size of crystal grains surrounded by high-angle grain boundaries having an orientation difference of 15° or more, and', 'the steel plate has a Brinell hardness (HBW10/3000) of 361 or more., 'wherein2. The abrasion resistant steel plate with excellent low-temperature toughness according to claim 1 , wherein the steel ...

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Номер записи: 71
17-03-2016 дата публикации

Alloys for Highly Shaped Aluminum Products and Methods of Making the Same

Номер: US20160076126A1
Автор: Daehoon Kang, Johnson Go, Richard Hamerton
Принадлежит: Novelis Inc Canada

Described herein are novel aluminum containing alloys. The alloys are highly formable and can be used for producing highly shaped aluminum products, including bottles and cans.

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Номер записи: 72
19-03-2015 дата публикации

PROCESS AND APPARATUS FOR MINIMIZING THE POTENTIAL FOR EXPLOSIONS IN THE DIRECT CHILL CASTING OF ALUMINUM LITHIUM ALLOYS

Номер: US20150078959A1
Автор: Streigle Ronald M., Tilak Ravindra V., Wirtz Rodney W.
Принадлежит: ALMEX USA, INC.

Steam exhaust ports are located around a perimeter of a direct chill casting pit, at various locations from below the top of the pit to the pit bottom to rapidly remove steam from the casting pit with addition of dry excess air. Gas introduction ports are also located around a perimeter of the casting pit and configured to introduce an inert gas into the casting pit interior. 1. A process in direct chill casting wherein molten metal is introduced into a casting mold and cooled by impingement of a liquid coolant on solidifying metal in a casting pit having top , intermediate and bottom portions and including a movable platen comprising:detecting an occurrence of a bleed-out or a run-out; exhausting generated gas from the casting pit; and', 'introducing an inert gas into the casting pit, the inert gas having a density less than a density of air., 'after detecting the occurrence of a bleed-out or a run-out2. The process of claim 1 , wherein the inert gas is helium.3. The process of claim 1 , wherein exhausting generated gas from the casting pit comprises exhausting by an array of exhaust ports about at least a periphery of a top portion of the casting pit.4. The process of claim 3 , wherein exhausting generated gas further comprises exhausting by arrays of exhaust ports about the intermediate and bottom portions of the casting pit.5. The process of claim 1 , wherein introducing an inert gas comprises introducing an inert gas through an array of gas introduction ports about a periphery of at least a top portion of the casting pit.6. The process of claim 1 , wherein introducing an inert gas comprises introducing an inert gas through arrays of gas introduction ports about a periphery of a top portion claim 1 , an intermediate portion and a bottom portion of the casting pit.7. The process of claim 1 , wherein exhausting of generated gas comprises exhausting at a volume flow rate that is enhanced relative to a volume flow rate prior to detecting an occurrence of a bleed-out ...

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Номер записи: 73
16-03-2017 дата публикации

FORGED ALUMINUM ALLOY MATERIAL AND METHOD FOR PRODUCING SAME

Номер: US20170073802A1
Автор: Hori Masayuki, Inagaki Yoshiya
Принадлежит: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)

Provided are: a forged aluminum alloy that offers high strength and high toughness and still has excellent corrosion resistance even when having a smaller thickness; and a method for producing the forged aluminum alloy. The forged aluminum alloy contains Mg in a content of 0.70 to 1.50 mass percent, Si in a content of 0.80 to 1.30 mass percent, Cu in a content of 0.30 to 0.90 mass percent, Fe in a content of 0.10 to 0.40 mass percent, Ti in a content of 0.005 to 0.15 mass percent, and at least one element selected from the group consisting of Mn in a content of 0.10 to 0.60 mass percent, Cr in a content of 0.10 to 0.45 mass percent, and Zr in a content of 0.05 to 0.30 mass percent, with the remainder consisting of Al and inevitable impurities. The forged aluminum alloy has a major axis of Q phase of 50 to 500 nm in a maximum-stress-receiving region. 1. A forged aluminum alloy comprising:Mg in a content of 0.70 to 1.50 mass percent;Si in a content of 0.80 to 1.30 mass percent;Cu in a content of 0.30 to 0.90 mass percent;Fe in a content of 0.10 to 0.40 mass percent;Ti in a content of 0.005 to 0.15 mass percent; and Mn in a content of 0.10 to 0.60 mass percent;', 'Cr in a content of 0.10 to 0.45 mass percent; and', 'Zr in a content of 0.05 to 0.30 mass percent,, 'at least one element selected from the group consisting ofwith the remainder consisting of Al and inevitable impurities,the forged aluminum alloy having a major axis of Q phase of 50 to 500 nm in a maximum-stress-receiving region.2. The forged aluminum alloy according to claim 1 ,wherein the forged aluminum alloy has an average grain size of 50.0 μm or less in terms of minor axis in the maximum-stress-receiving region, andwherein the forged aluminum alloy has an area percentage of recrystallized grains of 30.0% or less in a transverse section including the maximum-stress-receiving region.3. The forged aluminum alloy according to claim 1 , wherein the forged aluminum alloy has undergone a surface treatment.4. ...

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Номер записи: 74
26-03-2015 дата публикации

METHOD AND SYSTEM FOR THE PRODUCTION OF SEMI-FINISHED COPPER PRODUCTS AS WELL AS METHOD AND APPARATUS FOR APPLICATION OF A WASH

Номер: US20150083599A1
Автор: JUNGEN Hardy, Schwarze Michael, WINTERFELDT Thomas
Принадлежит: SMS MEER GMBH

In a method for the production of semi-finished copper products, first copper is melted and cast to produce copper anodes, in one casting procedure, within multiple ingot molds, subsequently copper cathodes are formed by electrolysis, using at least one of the copper anodes, and then these copper cathodes are processed further to produce semi-finished copper products. A long-term coating is applied to at least one of the ingot molds as a wash, a sulfur-free wash is applied to the ingot mold and/or part of the work pieces cast in the ingot molds is directly processed further to produce semi-finished copper products. A method and an apparatus applies a wash to an ingot mold and a system produces semi-finished copper products. 1. A method for producing semi-finished copper products comprising:(a) first melting and casting copper to produce copper anodes in one casting procedure within multiple ingot molds;(b) subsequently forming copper cathodes by electrolysis using at least one of the copper anodes; and(c) then processing the copper cathodes further to produce semi-finished copper products;wherein a long-term coating is applied to at least one of the ingot molds as a wash.2. A method for producing semi-finished copper products comprising:(a) first melting and casting copper to produce copper anodes in one casting procedure within multiple ingot molds;(b) subsequently forming copper cathodes by electrolysis using at least one of the copper anodes; and(c) then processing the copper cathodes further to produce semi-finished copper products;wherein a sulfur-free wash is applied to at least one of the ingot molds as a wash.3. The method according to claim 1 , wherein the ingot molds are passed to a casting apparatus in cycled manner claim 1 , during the casting procedure claim 1 , and at least part of the wash is applied outside of a cycle.4. The production method according to claim 3 , wherein at least a base layer of the wash is applied outside of the cycle.5. The ...

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Номер записи: 75
05-03-2020 дата публикации

ZIRCONIUM ALLOY HAVING EXCELLENT CORROSION RESISTANCE FOR NUCLEAR FUEL CLADDING TUBE AND METHOD OF MANUFACTURING THE SAME

Номер: US20200075181A1
Автор: CHOI Min Young, GO Dae Gyun, Jang Hun, JUNG Tae Sik, KIM Jae Ik, Kim Yoon Ho, LEE Chung Yong, Lee Seung Jae, Lee Sung Yong, MOK Yong Kyoon, NA Yeon Soo
Принадлежит: KEPCO NUCLEAR FUEL CO., LTD.

A zirconium alloy is manufactured through melting; solution heat treatment at 1,000 to 1,050° C. (β) for 30 to 40 min and β-quenching using water; preheating at 630 to 650° C. for 20 to 30 min and hot rolling at a reduction ratio of 60 to 65%; primary intermediate vacuum annealing at 570 to 590° C. for 3 to 4 hr and primarily cold-rolled at a reduction ratio of 30 to 40%; secondary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and secondarily cold-rolled at a reduction ratio of 50 to 60%; tertiary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and tertiarily cold-rolled at a reduction ratio of 30 to 40%; and final vacuum annealing at 460 to 590° C. for 7 to 9 hr. 1. A method of manufacturing a zirconium alloy for a nuclear fuel cladding tube , comprising steps of:(1) melting a mixture comprising 0.5 to 1.2 wt % of Nb, 0.4 to 0.8 wt % of Mo, 0.1 to 0.15 wt % of Cu, 0.15 to 0.2 wt % of Fe, and a balance of zirconium, thus preparing an ingot;(2) subjecting the ingot prepared in step (1) to solution heat treatment at 1,000 to 1,050° C. (β) for 30 to 40 min and then to β-quenching using water;(3) preheating the ingot treated in step (2) at 630 to 650° C. for 20 to 30 min and subjecting the ingot to hot rolling at a reduction ratio of 60 to 65%;(4) subjecting the material hot-rolled in step (3), to primary intermediate vacuum annealing at 570 to 590° C. for 3 to 4 hr and then to primarily cold-rolled at a reduction ratio of 30 to 40%;(5) subjecting the material primarily cold-rolled in step (4), to secondary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and then to secondarily cold-rolled at a reduction ratio of 50 to 60%;(6) subjecting the material secondarily cold-rolled in step (5), to tertiary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and then to tertiarily cold-rolled at a reduction ratio of 30 to 40%; and(7) subjecting the material tertiarily cold-rolled in step (6), to final vacuum annealing.2. The ...

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Номер записи: 76
24-03-2016 дата публикации

ALUMINUM ALLOY MATERIALS SUITABLE FOR THE MANUFACTURE OF AUTOMOTIVE BODY PANELS AND METHODS FOR PRODUCING THE SAME

Номер: US20160083818A1
Автор: LI Xiwu, LI Zhihui, Liu Hongwei, Wang Feng, XIONG Baiqing, ZHANG Yongan
Принадлежит:

An aluminum alloy material suitable for the manufacture of automotive body panels comprising: Si 0.6 to 1.2 wt %, Mg 0.7 to 1.3 wt %, Zn 0.25 to 0.8 wt %, Cu 0.02 to 0.20 wt %, Mn 0.01 to 0.25 wt %, Zr 0.01 to 0.20 wt %, with the balance being Al and incidental elements, based on the total weight of the aluminum alloy material. The aluminum alloy material satisfies the inequation of: 2.30 wt %≦(Si+Mg+Zn+2Cu) wt %≦3.20 wt %. 1. An aluminum alloy material suitable for the manufacture of automotive body panels , comprising , based on the total weight of the aluminum alloy material ,Si 0.6 to 1.2 wt %,Mg 0.7 to 1.3 wt %,Zn 0.25 to 0.8 wt %,Cu 0.02 to 0.20 wt %,Mn 0.01 to 0.25 wt %,Zr 0.01 to 0.20 wt %, andthe balance being Al and incidental elements, wherein {'br': None, '2.30 wt %≦(Si+Mg+Zn+2Cu)≦3.20 wt %.'}, 'the aluminum alloy material satisfies the inequation of2. The aluminum alloy material suitable for the manufacture of automotive body panels according to claim 1 , comprising claim 1 , based on the total weight of the aluminum alloy material:Si 0.6 to 1.2 wt %,Mg 0.7 to 1.2 wt %,Zn 0.3 to 0.6 wt %,Cu 0.05 to 0.20 wt %,Mn 0.05 to 0.15 wt %,Zr 0.05 to 0.15 wt %, andthe balance being Al and incidental elements, wherein {'br': None, '2.50 wt %≦(Si+Mg+Zn+2Cu)≦3.00 wt %.'}, 'the aluminum alloy material satisfies the inequation of3. The aluminum alloy material suitable for the manufacture of automotive body panels according to claim 1 , wherein the aluminum alloy material satisfies the inequation of:{'br': None, '0.75≦10 Mg/(8Si+3Zn)≦1.15.'}4. The aluminum alloy material suitable for the manufacture of automotive body panels according to claim 1 , wherein the aluminum alloy material satisfies the inequation of:{'br': None, '0.15 wt %≦(Mn+Zr)≦0.25 wt %.'}5. The aluminum alloy material suitable for the manufacture of automotive body panels according to claim 1 , wherein the incidental elements are impurities or entrained by grain refinement in the manufacture of aluminum ...

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Номер записи: 77
24-03-2016 дата публикации

METHOD FOR PRODUCING A METAL FILM

Номер: US20160083827A1
Автор: APPEL Karl-Heinz, DE BOER Nicole, GILGES Stefan, TAS Zuelfuekil
Принадлежит: VDM Metals GmbH

A method for producing a metal film composed of an alloy having more than 50% nickel (a) melts the alloy in amounts of more than one ton in a vacuum induction furnace, or openly in an induction or arc furnace, followed by treatment in a VOD or VLF installation, (b) the alloy is cast into blocks, electrodes or as continuous casting to form a pre-product, (c) the pre-product is annealed if necessary at temperatures between 800° C.-1350° C. for 1-300 hours under air or protective gas, and (d) hot rolled between 1300° C.-600° C. to reduce the thickness of the starting material by a factor of 1.5-200, such that the pre-product has a thickness of 1-100 mm after the rolling and is not recrystallized, recovered, and/or is (dynamically) recrystallized having a grain size less than 300 μm, (e) the pre-product is pickled, (f) then cold worked to produce a film with a degree of deformation greater than 90% to a final thickness of 10-600 μm, (g) the film is cut into strips of 5-300 mm after the cold working, (h) the film strips are coated with a ceramic powder loosely or by an adhesive or by an oxide dissolved in alcohol or covered with a separating film and, if necessary, dried, (i) the film strips are wound annularly onto one or more mandrels or one or more sleeves, wherein the inner and the outer end are each spot-welded or clamped, (j) the annularly wound film strips are annealed under protective gas at temperatures between 600° C.-1200° C. for 1 min to 300 h, (k) wherein the annealed film-like material is recrystallized after the annealing and has a large proportion of cubic texture. 1. Method for the production of a metal foil from an alloy with more than 50% nickel , containing the following method steps:(a) the alloy is melted in amounts of more than one metric ton in a vacuum induction furnace or openly in an induction or arc furnace, followed by a treatment in a VOD or VLF system,(b) then the alloy is cast into ingots, electrodes or as continuous casting for the ...

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Номер записи: 78
30-03-2017 дата публикации

THICK WROUGHT 7XXX ALUMINUM ALLOYS, AND METHODS FOR MAKING THE SAME

Номер: US20170088920A1
Автор: Boselli Julien, Bray Gary H., Brockenbrough John R., James Mark A., Lin Jen C.
Принадлежит:

Improved wrought 7xxx aluminum alloy products are disclosed. The improved wrought 7xxx aluminum alloy products generally include 6.0-10.0 wt. % Zn, 1.4-2.2 wt. % Mg, 1.3-2.5 wt. % Cu and 0.080-0.250 wt. % Cr. The improved wrought 7xxx aluminum alloy products generally have a thickness of from 3.0 inches to 12 inches, and realize an improved combination of properties, such an improved combination of crack deviation resistance, strength, fracture toughness and corrosion resistance. 1. A wrought 7085 aluminum alloy product having a thickness of 3.0 to 12.0 inches and having 0.080-0.250 wt. % Cr , optionally with 0.07-0.15 wt. % Zr and/or 0.15-0.50 wt. % Mn.2. The wrought 7085 aluminum alloy product of claim 1 , wherein the wrought aluminum alloy product includes a sufficient amount of the Cr claim 1 , optionally with the Zr and/or the Mn claim 1 , to achieve at least a 5% increase in Kas compared to an equivalent 7xxx aluminum alloy product having not greater than 0.01 wt. % Cr and not greater than 0.02 wt. % Mn claim 1 , at equivalent strength.3. The wrought 7085 aluminum alloy product of claim 1 , wherein the wrought aluminum alloy product includes a sufficient amount of the Cr claim 1 , optionally with the Zr and/or the Mn claim 1 , to achieve at least a 18% increase in Kas compared to an equivalent 7xxx aluminum alloy product having not greater than 0.01 wt. % Cr and not greater than 0.02 wt. % Mn claim 1 , at equivalent strength.3. The wrought 7085 aluminum alloy product of claim 3 , wherein the wrought aluminum alloy product achieves at least equivalent L-T plane strain Kfracture toughness as compared to an equivalent 7xxx aluminum alloy product having not greater than 0.01 wt. % Cr and not greater than 0.02 wt. % Mn.4. The wrought 7085 aluminum alloy product of claim 1 , wherein the wrought aluminum alloy product contains an amount of chromium such that Cr≦Cr≦Cr claim 1 , wherein Cr0.251−0.082(Mg) claim 1 , and wherein Cr=0.351-0.082(Mg).5. The wrought 7085 ...

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Номер записи: 79
07-04-2016 дата публикации

Method of Producing Co-Ni-Based Alloy

Номер: US20160097115A1
Автор: AKASAKA Yasunori, CHIBA Akihiko, Kobayashi Tomoo, OTOMO Takuma, Sugawara Ryo
Принадлежит:

Provided is a Co—Ni-based alloy in which a crystal is easily controlled, a method of controlling a crystal of a Co—Ni-based alloy, a method of producing a Co—Ni-based alloy, and a Co—Ni-based alloy having controlled crystallinity. The Co—Ni-based alloy includes Co, Ni, Cr, and Mo, in which the Co—Ni-based alloy has a crystal texture in which a Goss orientation is a main orientation. The Co—Ni-based alloy preferably has a composition including, in terms of mass ratio: 28 to 42% of Co, 10 to 27% of Cr, 3 to 12% of Mo, 15 to 40% of Ni, 0.1 to 1% of Ti, 1.5% or less of Mn, 0.1 to 26% of Fe, 0.1% or less of C, and an inevitable impurity; and at least one kind selected from the group consisting of 3% or less of Nb, 5% or less of W, 0.5% or less of Al, 0.1% or less of Zr, and 0.01% or less of B. 1. A method of producing a Co—Ni-based alloy , comprising the following sequential steps:providing an ingot that includes Co, Ni, Cr, and Mo,cold rolling the ingot at a reduction ratio of 15% or more to provide a Co—Ni-based alloy with a crystal texture in which a Goss orientation is a main orientation; and,heat treating at a temperature of at least about 350° C., wherein a main orientation of the crystal texture after heat treatment is identical to a main orientation of the crystal texture before heat treatment.2. The method of claim 1 , wherein the Co—Ni-based alloy has a composition including claim 1 , in terms of mass ratio:28 to 42% of Co, 10 to 27% of Cr, 3 to 12% of Mo, 15 to 40% of Ni, 0.1 to 1% of Ti, 1.5% or less of Mn, 0.1 to 26% of Fe, 0.1% or less of C, and an inevitable impurity; andat least one kind selected from the group consisting of 3% or less of Nb, 5% or less of W, 0.5% or less of Al, 0.1% or less of Zr, and 0.01% or less of B.3. The method of claim 1 , wherein the cold rolling is conducted at a reduction ratio of less than 90%.4. The method of claim 1 , wherein after cold rolling the Co—Ni-based alloy has a crystal texture in which a Goss orientation accounts ...

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Номер записи: 80
05-04-2018 дата публикации

PROCESS AND APPARATUS FOR MINIMIZING THE POTENTIAL FOR EXPLOSIONS IN THE DIRECT CHILL CASTING ALUMINUM ALLOYS

Номер: US20180093323A1
Автор: Streigle Ronald M., Tilak Ravindra V., Wirtz Rodney W.
Принадлежит:

Steam exhaust ports are located around a perimeter of a direct chill casting pit, at various locations from below the top of the pit to the pit bottom to rapidly remove steam from the casting pit with addition of dry excess air. Gas introduction ports are also located around a perimeter of the casting pit and configured to introduce an inert gas into the casting pit interior. 1. An apparatus comprising:a casting pit having top, intermediate and bottom portions;a mold located at a top portion of the casting pit;a mechanism for introducing coolant for cooling and solidifying a molten metal as it passes through the mold;a movable platen supporting the metal as it solidifies in the mold;a mechanism for detecting the occurrence of a bleed-out or a run-out;an array of exhaust ports for exhausting a generated gas from the casting pit;an array of inlet ports for introducing an inert gas into the casting pit to impinge on a solidifying metal wherein the inert gas has a density less than a density of air; anda mechanism for exhausting the generated gas continuously and in parallel with the introducing of the inert gas2. The apparatus of claim 1 , wherein the array of exhaust ports further comprises at least one of any array of exhaust ports about at least top periphery of the casting pit.3. The apparatus of claim 1 , wherein the array of inlet ports further comprises at least one of an array of inlet ports about at least the top periphery of the casting pit.4. The apparatus of claim 2 , wherein the array of exhaust ports further comprises at least one of an array of exhaust ports about a periphery of an intermediate portion of the casting pit and an array of exhaust ports about a periphery of a bottom portion of the casting pit.5. The apparatus of claim 3 , wherein the array of inlet ports further comprises at least one of an array of inlet ports about an intermediate portion of the casting pit and an array of inlet ports about a bottom portion of the casting pit.6. The ...

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Номер записи: 81
16-04-2015 дата публикации

SYSTEM AND METHOD OF FORMING A SOLID CASTING

Номер: US20150101776A1
Автор: Lampson Robin, Tesoriere Tony
Принадлежит:

A method and a system for forming a solid casting. A material is fed into a mold having a retractable bottom. A first portion of the material at a first, lower position within the mold is allowed to solidify to thereby form a portion of the casting. The retractable bottom is withdrawn downwards at a withdrawal rate. A second portion of the material at a second, upper position within the mold is maintained in a liquid state by application of heat thereto, using a plasma arc generated by a plasma arc torch. A voltage of the plasma arc is measured, and the withdrawal rate of the retractable bottom is controlled based on the voltage of the plasma arc. 1. A method of forming a solid casting , comprising:feeding a material into a mold, the mold comprising a retractable bottom;allowing a first portion of the material at a first, lower position within the mold to solidify, to thereby form a portion of the casting;withdrawing the retractable bottom downwards at a withdrawal rate;maintaining a second portion of the material at a second, upper position within the mold in a liquid state by applying heat to the second portion of the material using a plasma arc generated by a plasma arc torch;measuring a voltage of the plasma arc; andcontrolling the withdrawal rate of the retractable bottom based on the voltage of the plasma arc.2. The method of claim 1 , wherein the measured voltage is a voltage between a power supply of the plasma arc torch and a ground.3. The method of claim 2 , wherein the ground is measured at the casting.4. The method of claim 1 , wherein the voltage is indicative of a distance between the plasma arc torch and a top surface of the second portion of the material.5. The method of claim 4 , wherein the voltage is directly proportional to the distance between the plasma arc torch and the top surface of the second portion of the material.6. The method of claim 1 , wherein controlling the withdrawal rate comprises at least one member of the group consisting of: ...

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Номер записи: 82
06-04-2017 дата публикации

PRODUCTION METHOD OF MARAGING STEEL

Номер: US20170096728A1
Автор: Ferrer Laurent, KAMIMURA Takahiko, POULAIN Pascal
Принадлежит:

A production method of a maraging steel includes: the step of producing, by vacuum melting, a remelt electrode which comprises from 0.2 to 3.0% by mass of Ti and from 0.0025 to 0.0050% by mass of N; and the step of remelting the remelt electrode to produce a steel ingot having an average diameter of 650 mm or more; wherein the resulting maraging steel includes from 0.2 to 3.0% by mass of Ti. 1. A production method of a maraging steel , comprising:a step of producing a remelt electrode by vacuum melting, the remelt electrode comprising from 0.2 to 3.0% by mass of Ti and from 0.0025 to 0.0050% by mass of N; anda step of producing a steel ingot having an average diameter of 650 mm or more by remelting the remelt electrode;wherein the resulting maraging steel comprises from 0.2 to 3.0% by mass of Ti.2. The production method of a maraging steel according to claim 1 , wherein the step of producing a remelt electrode comprises adding N to molten steel.3. The production method of a maraging steel according to claim 2 , wherein the N is added to the molten steel by introducing nitrogen gas into an atmosphere in contact with the molten steel.4. The production method of a maraging steel according to claim 1 , wherein the remelt electrode further comprises from 0.01 to 0.10% by mass of Si.5. The production method of a maraging steel according to claim 1 , wherein the remelt electrode further comprises from 0.01 to 0.10% by mass of mn.6. The production method of a maraging steel according to claim 1 , wherein the remelt electrode further comprises 1.7% by mass or less of Al.7. The production method of a maraging steel according to claim 1 , wherein the step of remelting the remelt electrode to produce a steel ingot comprises remelting the remelt electrode by vacuum arc remelting.8. The production method of a maraging steel according to claim 1 , wherein the remelt electrode has a chemical composition of 0.01% by mass or less of C claim 1 , 1.7% by mass or less of Al claim 1 , ...

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Номер записи: 83
26-03-2020 дата публикации

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

Номер: US20200095664A1
Автор: AHMED HANY, BASSI Corrado, BEZENCON CYRILLE, DAS SAZOL KUMAR, Despois Aude, Florey Guillaume, Kamat Rajeev G., Leyvraz David, Timm Juergen, WEN Wei
Принадлежит: Novelis Inc.

Disclosed are high-strength aluminum alloys and methods of making and processing such alloys. More particularly, disclosed is a 6XXX series aluminum alloy exhibiting improved mechanical strength, formability, corrosion resistance, and anodized qualities. An exemplary method includes homogenizing, hot rolling, solutionizing, and quenching. In some cases, the processing steps can further include annealing and/or cold rolling. 1. A method of producing an aluminum alloy metal product , the method comprising:casting an aluminum alloy to form an ingot, wherein the aluminum alloy comprises about 0.6-0.9 wt. % Cu, about 0.8-1.3 wt. % Si, about 1.0-1.3 wt. % Mg, about 0.03-0.25 wt. % Cr, about 0.05-0.2 wt. % Mn, about 0.15-0.3 wt. % Fe, up to about 0.2 wt. % Zr, up to about 0.2 wt. % Sc, up to about 0.25 wt. % Sn, up to about 0.9 wt. % Zn, up to about 0.1 wt. % Ti, up to about 0.07 wt. % Ni, up to about 0.15 wt. % of impurities, and Al;homogenizing the ingot;hot rolling the ingot to produce a plate or shate; andsolutionizing the plate or shate at a temperature between about 520° C. and about 590° C.2. The method of claim 1 , wherein the homogenizing step comprises heating the ingot to a temperature of about 520° C. to about 580° C.3. The method of claim 1 , wherein the hot rolling step is conducted at an entry temperature of about 500° C. to about 540° C. and an exit temperature of about 250° C. to about 380° C.4. The method of claim 1 , further comprising annealing the plate or shate.5. The method of claim 4 , wherein the annealing step is performed at a temperature that is between about 400° C. and about 500° C. for a soaking time of about 30 to about 120 minutes.6. The method of claim 1 , further comprising cold rolling the plate or shate.7. The method of claim 1 , further comprising quenching the plate or shate after the solutionizing step.8. The method of claim 1 , further comprising aging the plate or shate.9. The method of claim 8 , wherein the aging comprises heating ...

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Номер записи: 84
21-04-2016 дата публикации

High-formability and super-strength hot galvanizing steel plate and manufacturing method thereof

Номер: US20160108492A1
Автор: LI Wang, Liyang Zhang, Weijun Feng, Yong Zhong
Принадлежит: Baoshan Iron and Steel Co Ltd

A high-formability, super-high-strength, hot-dip galvanized steel plate, the chemical composition of which comprises, based on weight percentage, C: 0.15-0.25 wt %, Si: 1.00-2.00 wt %, Mn: 1.50-3.00 wt %, P≦0.015 wt %, S≦0.012 wt %, Al: 0.03-0.06 wt %, N≦0.008 wt %, and the balance of iron and unavoidable impurities. The room temperature structure of the steel plate comprises 10-30% ferrite, 60-80% martensite and 5-15% residual austenite. The steel plate has a yield strength of 600-900 MPa, a tensile strength of 980-1200 MPa, and an elongation of 15-22%. Through an appropriate composition design, a super-high-strength, cold rolled, hot-dip galvanized steel plate is manufactured by continuous annealing, wherein no expensive alloy elements are added; instead, remarkable increase of strength along with good plasticity can be realized just by appropriate augment of Si, Mn contents in combination with suitable processes of annealing and furnace atmosphere control. In addition, the steel plate possesses good galvanization quality that meets the requirement of a super-high-strength, cold rolled, hot-dip galvanized steel plate for automobiles.

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Номер записи: 85
21-04-2016 дата публикации

HIGH-STRENGTH ALPHA-BETA TITANIUM ALLOY

Номер: US20160108508A1
Автор: Garratt Paul, Kosaka Yoji, Thomas Matthew, Thomas Roger
Принадлежит:

An alpha-beta titanium alloy comprises Al at a concentration of from about 4.7 wt. % to about 6.0 wt. %; V at a concentration of from about 6.5 wt. % to about 8.0 wt. %; Si at a concentration of from about 0.15 wt. % to about 0.6 wt. %; Fe at a concentration of up to about 0.3 wt. %; O at a concentration of from about 0.15 wt. % to about 0.23 wt. %; and Ti and incidental impurities as a balance. The alpha-beta titanium alloy has an Al/V ratio of from about 0.65 to about 0.8, where the Al/V ratio is defined as the ratio of the concentration of Al to the concentration of V in the alloy, with each concentration being in weight percent (wt %). 1. A high-strength alpha-beta titanium alloy comprising:Al at a concentration of from about 4.7 wt. % to about 6.0 wt. %;V at a concentration of from about 6.5 wt. % to about 8.0 wt. %;Si at a concentration of from about 0.15 wt. % to about 0.6 wt. %;Fe at a concentration of up to about 0.3 wt. %;O at a concentration of from about 0.15 wt. % to about 0.23 wt. %; andTi and incidental impurities as a balance,wherein an Al/V ratio is from about 0.65 to about 0.8, the Al/V ratio being equal to the concentration of the Al divided by the concentration of the V in weight percent.2. The alloy of further comprising an additional alloying element at a concentration of less than about 1.5 wt. % claim 1 , the additional alloying element being selected from the group consisting of Sn and Zr.3. The alloy of further comprising Mo at a concentration of less than 0.6 wt. %.4. The alloy of claim 1 , comprising:Al at a concentration of from about 5.0 to about 5.6 wt. %;V at a concentration of from about 7.2 wt. % to about 8.0 wt. %;Si at a concentration of from about 0.2 wt. % to about 0.5 wt. %;C at a concentration of from about 0.02 wt. % to about 0.08 wt. %; andO at a concentration of from about 0.17 wt. % to about 0.22 wt. %.5. The alloy of claim 1 , wherein each of the incidental impurities has a concentration of 0.1 wt. % or less.6. The alloy ...

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Номер записи: 86
20-04-2017 дата публикации

HIGH-FORMING MULTI-LAYER ALUMINUM ALLOY PACKAGE

Номер: US20170106919A1
Автор: BASSI Corrado, BEZENCON CYRILLE, DESPOIS JEAN-FRANCOIS, Florey Guillaume, STADLIN JACQUES, Timm Juergen
Принадлежит: Novelis Inc.

Provided herein are novel, high-forming multi-layer aluminum alloy packages that include a core layer and one or more cladding layers. The alloy packages have excellent bake-hardening properties and are highly recyclable. The packages also display exceptional bendability and elongation properties. Also provided herein are novel aluminum alloy compositions for use as cladding layers. The compositions contain up to 0.6 wt. % Fe and one or more of Mn, Ni, Ti, Co, Nb, Cr, V, Zr, Hf and Ta. 1. An aluminum alloy comprising about 0.2 to 0.6 wt. % Fe , 0.06 to 0.25 wt. % Mn , up to 0.5 wt. % Si , up to 0.5. % Cu , up to 1.5 wt. % Mg , up to 0.4 wt. % Zn , one or more additional elements selected from the group consisting of Ni , Ti , Co , Nb , Cr , V , Zr , Hf and Ta and up to 0.15 wt. % impurities , with the remainder as Al.2. The aluminum alloy of claim 1 , comprising about 0.25 to 0.55 wt. % Fe claim 1 , 0.08 to 0.20 wt. % Mn claim 1 , up to 0.25 wt. % Si claim 1 , up to 0.25 wt. % Cu claim 1 , up to 0.25 wt. % Mg claim 1 , up to 0.20 wt. % Zn claim 1 , one or more additional elements selected from the group consisting of Ni claim 1 , Ti claim 1 , Co claim 1 , Nb claim 1 , Cr claim 1 , V claim 1 , Zr claim 1 , Hf and Ta and up to 0.15 wt. % impurities claim 1 , with the remainder as Al.3. The aluminum alloy of claim 1 , comprising about 0.25 to 0.55 wt. % Fe claim 1 , 0.08 to 0.20 wt. % Mn claim 1 , up to 0.12 wt. % Si claim 1 , up to 0.05 wt. % Cu claim 1 , 0.3 to 1.2 wt. % Mg claim 1 , up to 0.05 wt. % Zn claim 1 , one or more additional elements selected from the group consisting of Ni claim 1 , Ti claim 1 , Co claim 1 , Nb claim 1 , Cr claim 1 , V claim 1 , Zr claim 1 , Hf and Ta and up to 0.15 wt. % impurities claim 1 , with the remainder as Al.4. The aluminum alloy of claim 1 , wherein the one or more additional elements comprises Ti in an amount of from about 0.01 to 0.15 wt. %.5. The aluminum alloy of claim 1 , wherein the one or more additional elements ...

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Номер записи: 87
11-04-2019 дата публикации

VERY HIGH-STRENGTH, COLD-ROLLED, DUAL STEEL SHEETS

Номер: US20190106765A1
Автор: Goune Mohamed, MOULIN Antoine, Restrepo Gacess Gloria, Sardoy Veronique, Vinci Catherine, Watershoot Tom
Принадлежит:

The present invention provides a cold-rolled and annealed Dual-Phase steel sheet having a tensile strength from 980 to 1100 MPa. The composition includes the contents being expressed by weight: 0.055%≤C≤0.095%, 2%≤Mn≤2.6%, 0.005%≤Si≤0.35%, S≤0.005%, P≤0.050%, 0.1≤Al≤0.3%, 0.05%≤Mo≤0.25%, 0.2%≤Cr≤0.5%, Cr+2 Mo≤0.6%, Ni≤0.1%, 0.010≤Nb≤0.040%, 0.010≤Ti≤0.050%, 0.0005≤B≤0.0025%, and 0.002%≤N≤0.007%. The remainder of the composition includes iron and inevitable impurities resulting from the smelting. A microstructure of the steel sheet is 40 to 65% ferrite, 35 to 50% martensite and 0 to 10% bainite. A non-recrystallized ferrite fraction is less than or equal to 15%. 1. A cold-rolled and annealed Dual-Phase steel sheet comprising: 0.055%≤C≤0.095%;', '2%≤Mn≤2.6%;', '0.005%≤Si≤0.35%;', 'S≤0.005%;', 'P≤0.050%;', '0.1≤Al≤0.3%;', '0.05%≤Mo≤0.25%;', '0.2%≤Cr≤0.5%;', 'Cr+2Mo≤0.6%;', 'Ni≤0.1%;', '0.010≤Nb≤0.040%;', '0.010≤Ti≤0.050%;', '0.0005≤B≤0.0025%; and', '0.002% ≤N≤0.007%;', 'a remainder of the composition comprising iron and the inevitable impurities resulting from smelting;, 'a composition comprising, the contents being expressed by weighta tensile strength between 980 and 1100 MPa; anda microstructure consisting of 40 to 65% ferrite, 35 to 50% martensite and 0 to 10% bainite, a non-recrystallized ferrite fraction being less than or equal to 15%.2. The steel sheet as recited in claim 1 , wherein the composition of the steel contains claim 1 , the content being expressed by weight: 0.12%≤Al≤0.25%.3. The steel sheet as recited in claim 1 , wherein the composition of the steel contains claim 1 , the content being expressed by weight: 0.10%≤Si≤0.30%.4. The steel sheet as recited in claim 1 , wherein the composition of the steel contains claim 1 , the content being expressed by weight: 0.15%≤Si≤0.28%.5. The steel sheet as recited in claim 1 , wherein the composition of the steel contains claim 1 , the content being expressed by weight: P≤0.015%.6. The steel sheet as recited in ...

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Номер записи: 88
28-04-2016 дата публикации

CONTINUOUS CASTING APPARATUS FOR INGOTS OBTAINED FROM TITANIUM OR TITANIUM ALLOY

Номер: US20160114385A1
Автор: Kanahashi Hidetaka, KUROSAWA Eisuke, Nakaoka Takehiro, Oyama Hideto, Tsutsumi Kazuyuki
Принадлежит: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)

A continuous casting apparatus continuously casts an ingot formed of titanium or a titanium alloy. The apparatus includes a bottomless mold with a circular cross-sectional shape and a plasma torch. In the bottomless mold, a molten metal is poured from a top opening and the molten metal is solidified and the molten metal solidified is pulled out downward. The plasma torch is disposed on an upper side of the molten metal in the mold and generates a plasma arc that heats the molten metal. A plurality of plasma torches are disposed on the upper side of the molten metal in the mold. The plurality of plasma torches are moved in a horizontal direction above a melt surface of the molten metal along a trajectory keeping a distance not to allow for interference with each other. 1. A continuous casting apparatus of an ingot formed of titanium or a titanium alloy , which continuously casts the ingot formed of titanium or a titanium alloy , the continuous casting apparatus comprising: a bottomless mold with a circular cross-sectional shape in which a molten metal prepared by melting titanium or a titanium alloy is poured from a top opening and the molten metal is solidified and the molten metal solidified is pulled out downward; and a plasma torch which is disposed on an upper side of the molten metal in the mold and generates a plasma arc that heats the molten metal , whereina plurality of plasma torches are disposed on the upper side of the molten metal in the mold, andthe plurality of plasma torches are moved in a horizontal direction above a melt surface of the molten metal along a trajectory keeping a distance not to allow for interference with each other.2. The continuous casting apparatus of an ingot formed of titanium or a titanium alloy as claimed in claim 1 , wherein{'b': '2', 'the number of the plasma torches is , and'}the plasma torches are moved such that when one plasma torch is located on an upper side in the vicinity of an edge of the mold, the other plasma torch ...

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Номер записи: 89
28-04-2016 дата публикации

FERRITIC STAINLESS STEEL SHEET, METHOD FOR THE PRODUCTION THEREOF, AND USE OF THE SAME, ESPECIALLY IN EXHAUST LINES

Номер: US20160115562A1
Автор: MIRAVAL Claudine, SAEDLOU Saghi, SANTACREU Pierre-Olivier
Принадлежит: APERAM STAINLESS FRANCE

A ferritic stainless steel sheet of a composition, expressed in weight percentages: trace amounts≦C≦0.03%; 0.2%≦Mn≦1%; 0.2%≦Si≦1%; trace amounts≦S≦0.01%; trace amounts≦P≦0.04%; 15%≦Cr≦22%; trace amounts≦Ni≦0.5%; trace amounts≦Mo≦2%; trace amounts≦Cu≦0.5%; 0.160%≦Ti≦1%; 0.02%≦Al≦1%; 0.2%≦Nb≦1%; trace amounts≦V≦0.2%; 0.009%≦N≦0.03%; trace amounts≦Co≦0.2%; trace amounts≦Sn≦0.05%; rare earths (REE)≦0.1%; trace amounts≦Zr≦0.01%; the remainder of the composition consisting of iron and of inevitable impurities resulting from the elaboration; the Al and rare earth (REE) contents satisfying the relationship: Al+30×REE≧0.15%; the Nb, C, N and Ti contents in % satisfy the relationship: 1/[Nb+(7/4)×Ti−7×(C+N)]≦3; said metal sheet having an entirely recrystallized structure and an average ferritic grain size comprised between 25 and 65 μm. 1. A ferritic stainless steel sheet comprising a composition , expressed in weight percentages:trace amounts≦C≦0.03%;0.2%≦Mn≦1%;0.2%≦Si≦1%;trace amounts≦S≦0.01%;trace amounts≦P≦0.04%;15%≦Cr≦22%;trace amounts≦Ni≦0.5%;trace amounts≦Mo≦2%;trace amounts≦Cu≦0.5%;0.160%≦Ti≦1%;0.02%≦Al≦1%;0.2%≦Nb≦1%;trace amounts≦V≦0.2%;0.009%≦N≦0.03%;trace amounts≦Co≦0.2%;trace amounts≦Sn≦0.05%;rare earths (REE)≦0.1%;trace amounts≦Zr≦0.01%;the remainder of the composition consists of iron and inevitable impurities resulting from the elaboration, {'br': None, 'Al+30×REE≧0.15%;'}, 'wherein the Al and rare earth (REE) contents satisfy the relationship {'br': None, '1/[Nb+(7/4)×Ti−7×(C+N)]≦3, and'}, 'the Nb, C, N and Ti contents in % satisfy the relationshipsaid metal sheet comprises an entirely recrystallized structure and an average ferritic grain size is between 25 and 65 μm.2. A method for manufacturing a ferritic stainless steel sheet comprising a composition , expressed in weight percentages:trace amounts≦C≦0.03%;0.2%≦Mn≦1%;0.2%≦Si≦1%;trace amounts≦S≦0.01%;trace amounts≦P≦0.04%;15%≦Cr≦22%;trace amounts≦Ni≦0.5%;trace amounts≦Mo≦2%;trace amounts≦Cu≦0.5%;0.160%≦Ti≦1 ...

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Номер записи: 90
28-04-2016 дата публикации

ALUMINUM ALLOY PRODUCTS AND A METHOD OF PREPARATION

Номер: US20160115575A1
Автор: BULL Michael, Kamat Rajeev G.
Принадлежит: Novelis Inc.

The present invention relates to aluminum alloy products that can be riveted and possess excellent ductility and toughness properties. The present invention also relates to a method of producing the aluminum alloy products. In particular, these products have application in the automotive industry. 1. An aluminum alloy sheet , comprising Cu 0.40-0.80 wt. % , Fe 0-0.40 wt. % , Mg 0.40-0.90 wt. % , Mn 0-0.40 wt. % , Si 0.40-0.7 wt. % , Cr 0-0.2 wt. % , Zn 0-0.1 wt. % and Ti 0-0.20 wt. % with trace element impurities 0.10 wt. % maximum , remainder Al.2. The aluminum alloy sheet of claim 1 , comprising Cu 0.45-0.75 wt. % claim 1 , Fe 0.1-0.35 wt. % claim 1 , Mg 0.45-0.85 wt. % claim 1 , Mn 0.1-0.35 wt. % claim 1 , Si 0.45-0.65 wt. % claim 1 , Cr 0.02-0.18 wt. % claim 1 , Zn 0-0.1 wt. % and Ti 0.05-0.15 wt. % with trace element impurities 0.10 wt. % maximum claim 1 , remainder Al.3. The aluminum alloy sheet of claim 1 , comprising Cu 0.45-0.65 wt. % claim 1 , Fe 0.1-0.3 wt. % claim 1 , Mg 0.5-0.8 wt. % claim 1 , Mn 0.15-0.35 wt. % claim 1 , Si 0.45-0.65 wt. % claim 1 , Cr 0.02-0.14 wt. % claim 1 , Zn 0.0-0.1 wt. % and Ti 0.05-0.12 wt. % with trace element impurities 0.10 wt. % maximum claim 1 , remainder Al.4. The aluminum alloy sheet of claim 1 , comprising Cu 0.51-0.59 wt. % claim 1 , Fe 0.22-0.26 wt. % claim 1 , Mg 0.66-0.74 wt. % claim 1 , Mn 0.18-0.22 wt. % claim 1 , Si 0.57-0.63 wt. % claim 1 , Cr 0.06-0.1 wt. % claim 1 , Zn 0.0-0.1 wt. % and Ti 0-0.08 wt. % with trace element impurities 0.10 wt. % maximum claim 1 , remainder Al.5. The aluminum alloy sheet of claim 1 , comprising Cu 0.51-0.59 wt. % claim 1 , Fe 0.22-0.26 wt. % claim 1 , Mg 0.66-0.74 wt. % claim 1 , Mn 0.18-0.22 wt. % claim 1 , Si 0.55-0.6 wt. % claim 1 , Cr 0.06-0.1 wt. % claim 1 , Zn 0.0-0.1 wt. % and Ti 0-0.08 wt. % with trace element impurities 0.10 wt. % maximum claim 1 , remainder Al.6. The aluminum alloy sheet of claim 1 , having a strength of at least 250 MPa.7. The aluminum alloy sheet of ...

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Номер записи: 91
26-04-2018 дата публикации

MOLTEN METAL TRANSFER SYSTEM AND ROTOR

Номер: US20180111189A1
Автор: Cooper Paul V., Fontana Vincent D.
Принадлежит:

The invention relates to systems for transferring molten metal from one structure to another. Aspects of the invention include a transfer chamber constructed inside of or next to a vessel used to retain molten metal. The transfer chamber is in fluid communication with the vessel so molten metal from the vessel can enter the transfer chamber. A powered device, which may be inside of the transfer chamber, moves molten metal upward and out of the transfer chamber and preferably into a structure outside of the vessel, such as another vessel or a launder. 1. A method for transferring molten metal from a first vessel configured to contain molten metal , wherein the first vessel comprises: (a) interior walls; (b) a cavity defined by the interior walls , the cavity configured for retaining molten metal; (c) an opening in communication with the cavity; (d) an uptake section that is part of the cavity and that is above , and in fluid communication with , the opening , wherein the uptake section is configured to move molten metal upward and therethrough , and (e) an outlet above the opening , the outlet in fluid communication with the uptake section , wherein the outlet is configured so that molten metal can exit the uptake section through the outlet; and a molten metal pump having a motor , a drive shaft having a first end connected to the motor and extending into the uptake section , the drive shaft further having a second end connected to a rotor , wherein the rotor is configured to move molten metal upward into the uptake section;the method comprising the steps of: operating the pump to move molten metal in the first vessel up in to the uptake section and through the outlet.2. The method of claim 1 , wherein the first vessel further includes an inner bottom surface that slopes downward towards the opening.3. The method of that further includes the step of adding molten metal to the first vessel.4. The method of claim 1 , wherein the pump is operated continuously for a ...

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Номер записи: 92
26-04-2018 дата публикации

PRECIPITATION HARDENED HIGH Ni HEAT-RESISTANT ALLOY

Номер: US20180112299A1
Автор: Uno Koichi
Принадлежит:

The present invention relates to a precipitation hardened high Ni heat-resistant alloy having a component composition including, in terms of mass %: Cr: 14 to 25%; Mo: 15% or less; Co: 15% or less; Cu: 5% or less; Al: 4% or less; Ti: 4% or less; Nb: 6% or less; provided that Al+Ti+Nb is 1.0% or more; and inevitable impurities including at least C and N, with the balance being Ni, in which C is contained in an amount of 0.01% or less, and N fixed as carbonitride is contained in such an amount that Michelin point determined from inclusions extracted by an evaluation method according to ASTM-E45 is 100 or less. 1. A precipitation hardened high Ni heat-resistant alloy having a component composition comprising , in terms of mass %:Cr: 14 to 25%;Mo: 15% or less;Co: 15% or less;Cu: 5% or less;Al: 4% or less;Ti: 4% or less;Nb: 6% or less;provided that Al+Ti+Nb is 1.0% or more; andinevitable impurities including at least C and N,with the balance being Ni,wherein C is contained in an amount of 0.01% or less, andN fixed as carbonitride is contained in such an amount that Michelin point determined from inclusions extracted by an evaluation method according to ASTM-E45 is 100 or less.2. The precipitation hardened high Ni heat-resistant alloy according to claim 1 , wherein the component composition further comprises claim 1 , in terms of mass % claim 1 , Fe in an amount of 15 to 30%.3. The precipitation hardened high Ni heat-resistant alloy according to claim 1 , wherein claim 1 , in the component composition claim 1 , the Michelin point is in first-order proportion to (C+4.5N) represented by the amounts of C and N.4. The precipitation hardened high Ni heat-resistant alloy according to claim 2 , wherein claim 2 , in the component composition claim 2 , the Michelin point is in first-order proportion to (C+4.5N) represented by the amounts of C and N.5. The precipitation hardened high Ni heat-resistant alloy according to claim 1 , wherein the component composition further comprises ...

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Номер записи: 93
26-04-2018 дата публикации

METHOD FOR MANUFACTURING TURBOMACHINE COMPONENTS, BLANK AND FINAL COMPONENT

Номер: US20180112300A1
Автор: Jeanne Céline, MARTIN Guillaume, Mineur-Panigeon Marie
Принадлежит:

The manufacture of a metal turbomachine part, comprising steps consisting of melting a titanium-aluminium intermetallic compound by plasma torch in a ring mould, extracting therefrom an ingot, as cast, in a state cooled from molten, cutting the ingot into at least one blank with an external shape that is simpler than the more complex one of said part to be manufactured, and machining the blank in order to obtain the part with said more complex external shape. 1. A method for manufacturing at least one metal turbomachine part , the method comprising:a) keeping a titanium-aluminium intermetallic alloy molten by plasma torch in a ring mould,b) extracting therefrom an ingot, as cast, in a state cooled from molten,c) cutting the ingot into at least one blank with an external shape that is simpler than the more complex one of said part to be manufactured,d) machining the blank in order to obtain the part with said more complex external shape.2. The method of claim 1 , wherein:at step c), the cut blank, from which the part of step d) is to be machined, has a given external volume and/or mass A1,at step d), the machined part has a given external volume and/or mass A2, andthe ratio A2/A1 is greater than 0.95.3. The method of claim 1 , wherein claim 1 , at step c) claim 1 , all the cut blanks represent more than 95% of the external volume and/or of the mass of the extracted ingot.4. The method of claim 1 , wherein step b) of obtaining an ingot comprises the obtaining of a substantially cylindrical or polyhedral ingot.5. The method of claim 1 , wherein claim 1 , at step b) claim 1 , the extracted ingot has a diameter of less than or equal to 200 mm claim 1 , or a cross section of less that approximately 32×10mm.6. The method of claim 1 , wherein the melting step a) comprises the melting of a 48-2-2 TiAl alloy comprising 48% Al 2% Cr 2% Nb (at %).7. The method of claim 1 , which further comprises:heat treatment for obtaining a duplex microstructure consisting of gamma grains ...

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Номер записи: 94
28-04-2016 дата публикации

SPUTTERING TARGET AND METHOD OF PRODUCING THE SAME

Номер: US20160118232A1
Автор: Umemoto Keita, Zhang Shoubin
Принадлежит:

A sputtering target, which has excellent mechanical workability; and makes it possible to deposit a film of a compound including Cu and Ga as major components, is provided. The sputtering target includes: with respect to an all of metal elements in the sputtering target, 15.0 to 50.0 atomic % of Ga; 0.1 to 10.0 total atomic % of one or more metal elements selected from Al, Zn, Sn, Ag, and Mg; and the Cu balance and inevitable impurities. 1. A sputtering target comprising: with respect to an all of metal elements in the sputtering target , 15.0 to 50.0 atomic % of Ga; 0.1 to 10.0 total atomic % of one or more metal elements selected from Al , Zn , Sn , Ag , and Mg; and the Cu balance and inevitable impurities.2. The sputtering target according to claim 1 , wherein a theoretical density ratio is 95% or more claim 1 , and an oxygen content is 800 weight ppm or less.3. The sputtering target according to claim 1 , wherein a bending strength is 200 MPa or more.4. The sputtering target according to claim 1 , wherein an average grain size of a metallic phase including one or more metal elements selected from Al claim 1 , Zn claim 1 , Sn claim 1 , Ag claim 1 , and Mg claim 1 , is 500 μm or less.5. The sputtering target according to claim 1 , further comprising claim 1 , with respect to an all of metal elements in the sputtering target claim 1 , 0.01 to 10.0 total atomic % of one or more elements selected from Li claim 1 , K claim 1 , and Na.6. A production method of the sputtering target according to claim 1 , the method comprising the step of producing an ingot by melting Cu and Ga; and one or more metal elements selected from Al claim 1 , Zn claim 1 , Sn claim 1 , Ag claim 1 , and Mg at 1050° C. or higher to obtain a melted material claim 1 , and by casting the melted material.7. A production method of the sputtering target according to claim 1 , the method comprising the steps of:preparing a raw material powder comprising: Cu; Ga; and one or more metal elements selected ...

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Номер записи: 95
13-05-2021 дата публикации

MAGNESIUM ALLOY SHEET AND MANUFACTURING METHOD THEREOF

Номер: US20210140017A1
Автор: Cho Jae Eock, Choi Dae Hwan, Choo Dong Kyun, KIM Hye Jeong, KIM Hye Ji, Kim Jonggeol, LEE Taek Geun, Oh Yoonsuk, Park Jae Sin, Seo Bae Mun
Принадлежит:

A magnesium alloy sheet according to an embodiment of the present invention includes greater than 3 wt % and less than or equal to 5 wt % of Al, 0.5 wt % to 1.5 wt % of Zn, 0.1 wt % to 0.5 wt % of Mn, 0.001 wt % to 0.01 wt % of B, 0.1 wt % to 0.5 wt % of Y, a balance amount of magnesium, and other inevitable impurities on the basis of a total of 100 wt %. 1. A magnesium alloy sheet , comprisinggreater than 3 wt % and less than or equal to 5 wt % of Al, 0.5 wt % to 1.5 wt % of Zn, 0.1 wt % to 0.5 wt % of Mn, 0.001 wt % to 0.01 wt % of B, 0.1 wt % to 0.5 wt % of Y, a balance amount of magnesium, and other inevitable impurities on the basis of a total of 100 wt %.2. The magnesium alloy sheet of claim 1 , wherein the magnesium alloy sheet further comprises 0.001 wt % to 0.01 wt % of Ti.3. The magnesium alloy sheet of claim 1 , which comprises greater than 5 wt % and less than or equal to 9 wt % of Al claim 1 , 0.5 wt % to 1.5 wt % of Zn claim 1 , 0.1 wt % to 0.5 wt % of Mn claim 1 , 0.001 wt % to 0.01 wt % of B claim 1 , 0.1 wt % to 0.5 wt % of Y claim 1 , 0.001 wt % to 0.01 wt % of Ti claim 1 , a balance amount of magnesium claim 1 , and other inevitable impurities on the basis of a total of 100 wt %.4. The magnesium alloy sheet of claim 3 , whereina MgO oxide layer is disposed on the surface of the magnesium alloy sheet, anda Ti component is included in the oxide layer.5. The magnesium alloy sheet of claim 1 , wherein{'sub': 17', '12, 'the magnesium alloy sheet comprises MgAlparticles, and'}an average particle diameter of the particles is less than or equal to 1 μm.6. The magnesium alloy sheet of claim 1 , whereinthe magnesium alloy sheet comprises Mg17Al12 particles, anda volume fraction of the particles is less than or equal to 5% with respect to 100 volume % of the magnesium alloy sheet.7. A method of manufacturing a magnesium alloy sheet claim 1 , comprisingpreparing a molten alloy including greater than 3 wt % and less than or equal to 5 wt % of Al, 0.5 wt % to 1 ...

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Номер записи: 96
18-04-2019 дата публикации

Ti-Nb ALLOY SPUTTERING TARGET AND PRODUCTION METHOD THEREOF

Номер: US20190115196A1
Автор: Asano Takayuki, Oda Kunihiro
Принадлежит:

Provided is a Ti—Nb alloy sputtering target containing 0.1 to 30 at % of Nb, the remainder of Ti and unavoidable impurities; and the Ti—Nb alloy sputtering target is characterized by having an oxygen content of 400 wtppm or less. Since the target in the present disclosure has a favorable surface texture with a low oxygen content and is readily processable due to the low hardness of the target, the Ti—Nb alloy sputtering target yields a superior effect of being able to suppress the generation of particles during sputtering. 1. A Ti—Nb alloy sputtering target , wherein Nb is contained at 0.1 to 30 at % , the remainder is Ti and unavoidable impurities , an oxygen content is 400 wtppm or less , and a variation in the oxygen content is within 20%.2. (canceled)3. A Ti—Nb alloy sputtering target , wherein Nb is contained at 0.1 to 30 at % , the remainder is Ti and unavoidable impurities , an oxygen content is 400 wtppm or less , a Vicker's hardness is 400 Hv or less , and a variation in the Vicker's hardness is within 10%.4. (canceled)5. A Ti—Nb alloy sputtering target , wherein Nb is contained at 0.1 to 30 at % , the remainder is Ti and unavoidable impurities , an oxygen content is 400 wtppm or less , and a surface roughness Ra is 1.0 μm or less.6. The Ti—Nb alloy sputtering target according to claim 5 , wherein a purity is 4N or higher.7. The Ti—Nb alloy sputtering target according to claim 6 , wherein a relative density is 99.9% or higher.8. A method of producing a Ti—Nb alloy sputtering target claim 6 , the method comprising the steps of:preparing a Ti material having a thickness from 1 mm to 5 mm and an equal side length from 10 mm to 50 mm and a Nb material having a thickness from 0.5 mm to 2 mm and a width from 2 mm to 50 mm;placing the Ti material in a vacuum melting furnace to be melted;adding the Nb material to alloy Ti—Nb;casting a resulting alloy molten metal in a water-cooled copper crucible to prepare an ingot; andsubjecting an obtained Ti—Nb alloy ingot to ...

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Номер записи: 97
05-05-2016 дата публикации

HT550 STEEL PLATE WITH ULTRAHIGH TOUGHNESS AND EXCELLENT WELDABILITY AND MANUFACTURING METHOD OF THE SAME

Номер: US20160122844A1
Автор: Li Xianju, Liu Zicheng
Принадлежит: BAOSHAN IRON & STEEL CO., LTD.

An HT550 steel plate with ultrahigh toughness and excellent weldability and a manufacturing method thereof are disclosed. Based on a component system with ultralow-C, high-Mn, Nb-microalloying, ultramicro Ti treatment, Mn/C is controlled in the range of 15˜30, (% Si)×(% Ceq) is less than or equal to 0.050, (% C)×(% Si) is less than or equal to 0.010, (% Mo)×[(% C)+0.13(% Si)] is in the range of 0.003˜0.020, the ratio Ti/N is in the range of 2.0˜4.0, the steel plate is alloyed with (Cu+Ni+Mo), Ni/Cu is greater than or equal to 1.0, Ca treatment is performed, and Ca/S is in the range of 0.80˜3.00; by optimizing TMCP process, the steel plate has microstructures of fine ferrite plus self-tempered bainite with an average grain size being less than or equal to 15 μm, yield strength being 460 MPa or more, tensile strength being 550˜700 MPa, yield ratio being 0.85 or less, and −60° C. Charpy impact energy (single value) being 60 J or more; therefore, the steel plate is capable of bearing large thermal input welding while obtaining uniform and excellent strength, toughness, and strong plasticity matching, and is especially suitable for sea bridge structures, ocean wind tower structures, ocean platform structures and hydroelectric structures. 1. An HT550 steel plate with ultrahigh toughness and excellent weldability , having the following components in weight percentage:C: 0.04%˜0.09%;Si: less than 0.15%;Mn: 1.25%˜1.55%;P: less than 0.013%;S: less than 0.003%;Cu: 0.10%˜0.30%;Ni: 0.20%˜0.60%;Mo: 0.05%˜0.25%;Als: 0.030%˜0.060%;Ti: 0.006%˜0.014%;Nb: 0.015%˜0.030%;N: less than 0.0050%;Ca: 0.001%˜0.004%;the remaining being Fe and inevitable impurities;and simultaneously, the contents of the above-described elements meeting the following relationships:the relationship between C and Mn: the ratio Mn/C is more than or equal to 15 and less than or equal to 30;(% Si)×(% Ceq) is less than or equal to 0.050, wherein Ceq=C+Mn/6+(Cu+Ni)/15+(Cr+Mo+V)/5;(% Si)×(% C) is less than or equal to ...

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Номер записи: 98
05-05-2016 дата публикации

PROCESSES FOR PRODUCING LOW NITROGEN ESSENTIALLY NITRIDE-FREE CHROMIUM AND CHROMIUM PLUS NIOBIUM-CONTAINING NICKEL-BASED ALLOYS AND THE RESULTING CHROMIUM AND NICKEL-BASED ALLOYS

Номер: US20160122853A1
Автор: Sernik Kleber A.
Принадлежит:

Processes for producing low nitrogen, essentially nitride-free chromium or chromium plus niobium-containing nickel-based alloys include charging elements or compounds which do not dissolve appreciable amounts of nitrogen in the molten state to a refractory crucible within a vacuum induction furnace, melting said elements or compounds therein under reduced pressure, and effecting heterogeneous carbon-based bubble nucleation in a controlled manner. The processes also include, upon cessation of bubble formation, adding low nitrogen chromium or a low nitrogen chromium-containing master alloy with a nitrogen content of below 10 ppm to the melt, melting and distributing said added chromium or chromium-containing master alloy throughout the melt, bringing the resulting combined melt to a temperature and surrounding pressure to permit tapping, and tapping the resulting melt, directly or indirectly, to a metallic mold and allowing the melt to solidify and cool under reduced pressure. 1. Processes for producing low nitrogen , essentially nitride-free chromium or chromium plus niobium-containing nickel-based alloys comprising:a) charging elements or compounds of elements which do not dissolve appreciable amounts of nitrogen in the molten state to a refractory crucible within a vacuum induction furnace and melting said elements or compounds therein under reduced pressure;b) effecting heterogeneous carbon-based bubble nucleation in a controlled manner, thereby effecting substantial removal of nitrogen and oxygen from the melt; [{'b': '1', 'i) vacuum-degassing a thermite mixture comprising chromium compounds and metallic reducing agents, contained within a vacuum vessel capable of withstanding a thermite reaction, to an initial pressure less than mbar;'}, 'ii) igniting the thermite mixture to effect reduction of the chromium compounds within said vessel under reduced pressure;', 'iii) solidifying the reaction products under reduced pressure; and', 'iv) cooling the reaction ...

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Номер записи: 99
04-05-2017 дата публикации

PROCESSES FOR PRODUCING LOW NITROGEN ESSENTIALLY NITRIDE-FREE CHROMIUM AND CHROMIUM PLUS NIOBIUM-CONTAINING NICKEL-BASED ALLOYS AND THE RESULTING CHROMIUM AND NICKEL-BASED ALLOYS

Номер: US20170121792A1
Автор: Sernik Kleber A.
Принадлежит:

Processes for producing low nitrogen, essentially nitride-free chromium or chromium plus niobium-containing nickel-based alloys include charging elements or compounds which do not dissolve appreciable amounts of nitrogen in the molten state to a refractory crucible within a vacuum induction furnace, melting said elements or compounds therein under reduced pressure, and effecting heterogeneous carbon-based bubble nucleation in a controlled manner. The processes also include, upon cessation of bubble formation, adding low nitrogen chromium or a low nitrogen chromium-containing master alloy with a nitrogen content of below 10 ppm to the melt, melting and distributing said added chromium or chromium-containing master alloy throughout the melt, bringing the resulting combined melt to a temperature and surrounding pressure to permit tapping, and tapping the resulting melt, directly or indirectly, to a metallic mold and allowing the melt to solidify and cool under reduced pressure. 15-. (canceled)6. Low nitrogen , essentially nitride-free chromium and chromium plus niobium-containing nickel-based alloys containing below 10 ppm nitrogen produced by a process comprising:a) charging elements or compounds of elements which do not dissolve appreciable amounts of nitrogen in the molten state to a refractory crucible within a vacuum induction furnace and melting said elements or compounds therein under reduced pressure;b) effecting heterogeneous carbon-based bubble nucleation in a controlled manner, thereby effecting substantial removal of nitrogen and oxygen from the melt;{'b': '10', 'claim-text': [{'b': '1', 'i) vacuum-degassing a thermite mixture comprising chromium compounds and metallic reducing agents, contained within a vacuum vessel capable of withstanding a thermite reaction, to an initial pressure less than mbar;'}, 'ii) igniting the thermite mixture to effect reduction of the chromium compounds within said vessel under reduced pressure;', 'iii) solidifying the reaction ...

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Номер записи: 100