[특허]Methods of making composite ceramic articles having embedded filler

Methods of making composite ceramic articles having embedded filler 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C04B-035/10 C04B-035/56 C04B-035/58
출원번호	US-0819397 (1986-01-17)
발명자 / 주소	Newkirk Marc S. (Newark DE) Urquhart Andrew W. (Newark DE) Zwicker Harry R. (Elkton MD) Lesher H. Daniel (Wilmington DE)
출원인 / 주소	Lanxide Technology Company, LP (Newark DE 02)
인용정보	피인용 횟수 : 26 인용 특허 : 4

초록 ▼

A method of making self-supporting ceramic composite structures having filler embedded therein includes infiltrating a permeable mass of filler with polycrystalline material comprising an oxidation reaction product obtained by oxidation of a parent metal such as aluminum and optionally containing therein non-oxidized constituents of the parent metal. The structure is formed by placing a parent metal adjacent to a permeable filler and heating the assembly to melt the parent metal and provide a molten body of parent metal which is contacted with a suitable vapor-phase oxidant. Within a certain temperature region and optionally aided by one or more dopants in or on the parent metal, molten parent metal will migrate through previously formed oxidation reaction product into contact with the oxidant, causing the oxidation reaction product to grow so as to embed the adjacent filler and provide the composite structure.

대표청구항 ▼

A method for producing a self-supporting ceramic composite structure comprising (1) a ceramic matrix obtained by oxidation of a parent metal to form a polycrystalline material comprising an oxidation reaction product of said parent metal with a vapor-phase oxidant; and, (2) at least one filler embedded by said matrix, the method comprising the steps of: (a) positioning said parent metal adjacent to a permeable mass of filler and orienting said parent metal and said filler relative to each other so that formation of said oxidation reaction product will occur in a direction towards and into said mass of filler; (b) heating said parent metal to a temperature above its melting point but below the melting point of its oxidation reaction to form a body of molten parent metal and reacting the molten parent metal with said oxidant at said temperature to form said oxidation reaction product, and at said temperature maintaining at least a portion of said oxidation reaction product in contact with and extending between said body of molten metal and said oxidant, to draw molten metal through the oxidation reaction product towards the oxidant and towards and into the adjacent mass of filler so that fresh oxidation reaction product continues to form within the mass of filler at an interface between the oxidant and previously formed oxidation reaction product; and (c) continuing said reacting for a time sufficient to embed at least a portion of the filler within said polycrystalline material.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Methods of making composite ceramic articles having embedded filler 원문보기

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이 특허를 인용한 특허 (26)

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Methods of making composite ceramic articles having embedded filler 원문보기

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연구과제 타임라인

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이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 (26)

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