RU94039287A - Способ получения спеченных металлических и/или керамических изделий и масс для покрытий и полученные по нему спеченные металлические и/или керамические изделия и массы для покрытий - Google Patents

Способ получения спеченных металлических и/или керамических изделий и масс для покрытий и полученные по нему спеченные металлические и/или керамические изделия и массы для покрытий

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Publication number
RU94039287A
RU94039287A RU94039287/33A RU94039287A RU94039287A RU 94039287 A RU94039287 A RU 94039287A RU 94039287/33 A RU94039287/33 A RU 94039287/33A RU 94039287 A RU94039287 A RU 94039287A RU 94039287 A RU94039287 A RU 94039287A
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Russia
Prior art keywords
coating
sintered metal
powder
masses
dispersion medium
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RU94039287/33A
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English (en)
Other versions
RU2139839C1 (ru
Inventor
Шмидт Гельмут
De]
Нас Рюдигер
Аслан Месут
Альбайрак Зенер
Арпац Эртугруль
Tr]
Кениг Тео
Фистер Дитмар
Original Assignee
Х.К. Штарк ГмбХ унд Ко.КГ (DE)
Х.К. Штарк ГмбХ унд Ко.КГ
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Publication of RU94039287A publication Critical patent/RU94039287A/ru
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Publication of RU2139839C1 publication Critical patent/RU2139839C1/ru

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
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    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/054—Nanosized particles
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    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
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    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5053—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials non-oxide ceramics
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    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
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    • C03—GLASS; MINERAL OR SLAG WOOL
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  • Compositions Of Oxide Ceramics (AREA)
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  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)

Abstract

Изобретение является способом получения спеченных металлических и/или керамических изделий и масс для покрытий путем переработки металлического или керамического порошка в сырое изделие или массу для покрытий, и последующего спекания, в случае необходимости, в атмосфере инертного газа. Сущность изобретения: при этом используют нанокристаллический металлический и/или керамический порошок, который содержит менее 1% частиц величиной, отклоняющейся более чем на 40% от средней величины частиц, и не содержит частиц величиной, отклоняющейся от средней величины частиц более чем на 60%, причем порошок диспергируют в воде и/или полярном органическом растворителе в качестве среды диспергирования в присутствии по меньшей мере одного низкомолекулярного органического соединения, содержащего по меньшей мере одну функциональную группу, способную к реакции и/или взаимодействию с имеющимися на поверхности частиц порошка группами, с последующим удалением среды диспергирования, при этом переработку в сырое изделие или массу для покрытий осуществляют перед удалением среды диспергирования или после него. Другим объектом изобретения являются спеченные металлические и/или керамические изделия и массы для покрытий, получаемые вышеуказанным способом.

Claims (1)

  1. Изобретение является способом получения спеченных металлических и/или керамических изделий и масс для покрытий путем переработки металлического или керамического порошка в сырое изделие или массу для покрытий, и последующего спекания, в случае необходимости, в атмосфере инертного газа. Сущность изобретения: при этом используют нанокристаллический металлический и/или керамический порошок, который содержит менее 1% частиц величиной, отклоняющейся более чем на 40% от средней величины частиц, и не содержит частиц величиной, отклоняющейся от средней величины частиц более чем на 60%, причем порошок диспергируют в воде и/или полярном органическом растворителе в качестве среды диспергирования в присутствии по меньшей мере одного низкомолекулярного органического соединения, содержащего по меньшей мере одну функциональную группу, способную к реакции и/или взаимодействию с имеющимися на поверхности частиц порошка группами, с последующим удалением среды диспергирования, при этом переработку в сырое изделие или массу для покрытий осуществляют перед удалением среды диспергирования или после него. Другим объектом изобретения являются спеченные металлические и/или керамические изделия и массы для покрытий, получаемые вышеуказанным способом.
RU94039287A 1993-10-27 1994-10-26 Способ получения спеченных изделий из поверхностно-модифицированного порошка и полученное по нему спеченное металлическое и/или керамическое изделие RU2139839C1 (ru)

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DE4336694A DE4336694A1 (de) 1993-10-27 1993-10-27 Verfahren zur Herstellung von Metall- und Keramiksinterkörpern und -schichten
DEP4336694.5 1993-10-27

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RU94039287A true RU94039287A (ru) 1996-09-10
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WO2019079207A1 (en) * 2017-10-16 2019-04-25 Materials Science International, Inc. PROCESS FOR PRODUCTION OF CATHODIC SPUTTER TARGET IN ZINC STANNATE

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TW406062B (en) 2000-09-21
DE4336694A1 (de) 1995-05-04
CN1076719C (zh) 2001-12-26
EP0650945A3 (de) 1995-11-02
KR100336276B1 (ko) 2002-09-25
EP0650945B1 (de) 1997-08-13
CA2134180A1 (en) 1995-04-28
CN1105918A (zh) 1995-08-02
JPH07232965A (ja) 1995-09-05
EP0650945A2 (de) 1995-05-03
RU2139839C1 (ru) 1999-10-20
KR950011376A (ko) 1995-05-15
DE59403718D1 (de) 1997-09-18
US5590387A (en) 1996-12-31

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