RU2013119093A - METHOD FOR PRODUCING PRODUCTS FROM REACTIVELY SINTERED COMPOSITE MATERIAL - Google Patents
METHOD FOR PRODUCING PRODUCTS FROM REACTIVELY SINTERED COMPOSITE MATERIAL Download PDFInfo
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- RU2013119093A RU2013119093A RU2013119093/03A RU2013119093A RU2013119093A RU 2013119093 A RU2013119093 A RU 2013119093A RU 2013119093/03 A RU2013119093/03 A RU 2013119093/03A RU 2013119093 A RU2013119093 A RU 2013119093A RU 2013119093 A RU2013119093 A RU 2013119093A
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- RU
- Russia
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- preform
- boron nitride
- boron carbide
- cubic boron
- firing
- Prior art date
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Abstract
1. Способ изготовления изделий из реакционноспеченного композиционного материала, включающий формование заготовки на основе композиции, состоящей из мелкодисперсного наполнителя в виде порошка кубического нитрида бора или карбида бора и временного связующего, обжиг сформованной заготовки при конечной температуре, соответствующей температуре полного удаления летучих продуктов из временного связующего, и ее силицирование, отличающийся тем, что в композиции для формования заготовки в качестве мелкодисперсного наполнителя используют смесь порошков соединения, обладающего высокой твердостью, например, кубического нитрида бора или карбида бора, и углерода активной к кремнию разновидности с размером частиц не более 20 мкм, а силицирование после проведения обжига заготовки осуществляют парожидкофазным методом путем капиллярной конденсации паров кремния.2. Способ по п.1, отличающийся тем, что кубический нитрид бора или карбид бора и углерод в их смеси берут в количестве 70-80 и 20-30 мас.% соответственно.1. A method of manufacturing products from a reaction-sintered composite material, comprising forming a preform based on a composition consisting of a finely divided filler in the form of powder of cubic boron nitride or boron carbide and a temporary binder, firing the molded preform at a final temperature corresponding to the temperature for the complete removal of volatile products from the temporary binder , and its silicification, characterized in that in the composition for molding the preform as a fine filler used a mixture of powders of a compound having high hardness, for example, cubic boron nitride or boron carbide, and carbon active against silicon species with a particle size of not more than 20 μm, and siliconization after firing the workpiece is carried out by the vapor-liquid phase method by capillary condensation of silicon vapor. 2. The method according to claim 1, characterized in that the cubic boron nitride or boron carbide and carbon in their mixture are taken in the amount of 70-80 and 20-30 wt.%, Respectively.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2013119093/03A RU2554645C2 (en) | 2013-04-24 | 2013-04-24 | Method of producing articles from sintered composites |
Applications Claiming Priority (1)
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RU2013119093/03A RU2554645C2 (en) | 2013-04-24 | 2013-04-24 | Method of producing articles from sintered composites |
Publications (2)
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RU2013119093A true RU2013119093A (en) | 2015-03-27 |
RU2554645C2 RU2554645C2 (en) | 2015-06-27 |
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RU2013119093/03A RU2554645C2 (en) | 2013-04-24 | 2013-04-24 | Method of producing articles from sintered composites |
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RU (1) | RU2554645C2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2670819C1 (en) * | 2017-11-24 | 2018-10-25 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" | Method of manufacturing products from reactive sand-made composite material |
RU2747499C1 (en) * | 2020-06-23 | 2021-05-05 | Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ | Method for manufacture of items from reactive-sintered composite material |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5316851A (en) * | 1991-06-12 | 1994-05-31 | General Electric Company | Silicon carbide composite with metal boride coated fiber reinforcement |
US5855955A (en) * | 1995-06-07 | 1999-01-05 | Lanxide Technology Company L.P. | Method for making self-supporting composite bodies |
RU2458888C1 (en) * | 2011-03-11 | 2012-08-20 | Вячеслав Максимович Бушуев | Method of producing protective coatings on articles with carbon-containing base |
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RU2554645C2 (en) | 2015-06-27 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20180425 |