KR890701501A - 휘스커 보강 세라믹과 그것의 클래드/고온 이소스태틱 압분방법 - Google Patents

휘스커 보강 세라믹과 그것의 클래드/고온 이소스태틱 압분방법

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Publication number
KR890701501A
KR890701501A KR1019890700791A KR890700791A KR890701501A KR 890701501 A KR890701501 A KR 890701501A KR 1019890700791 A KR1019890700791 A KR 1019890700791A KR 890700791 A KR890700791 A KR 890700791A KR 890701501 A KR890701501 A KR 890701501A
Authority
KR
South Korea
Prior art keywords
ceramic
phase
whisker
compact
ceramic composition
Prior art date
Application number
KR1019890700791A
Other languages
English (en)
Inventor
팬케이 쿰머 메로트라
조이스 엘. 스위오클라
엘리자베스 알. 빌맨
Original Assignee
원본미기재
케나메탈 아이엔씨
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 원본미기재, 케나메탈 아이엔씨 filed Critical 원본미기재
Publication of KR890701501A publication Critical patent/KR890701501A/ko

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    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
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Abstract

내용 없음

Description

휘스커 보강 세라믹과 그것의 클래드/고온 이소스태틱 압분방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
본 발명의 다른 특징과 목적 및 잇점은 아래 도면을 참고한 하기 설명으로부터 보다 명백하게 될 것이다. 제1도는 관심있는 세라믹 조성물을 위한 여러 처리단계들(원료 분말, 1750℃에서의 예비소결, CVD클래드 및 고온 이소스태틱 압분)에서 체적 백분율의 실리콘 탄화물 휘스커 함량에 대한 밀도(이론치의 백분율)의 선도이다. 제2도는 여러 단계들에서의 35체적%의 휘스커 함량을 포함하는 조성물에 대한 예비소결 온도(℃) 대밀도(이론치의 백분율)의 선도이다. 제3도는 35체적%의 휘스커 함량을 포함하는 조성물에 대한 소결온도 대수율(고온 이소스태틱 압분 단계중에 조밀화된 압분체 백분율)의 선도이다.

Claims (3)

  1. 적어도 5체적%의 세라믹 휘스커를 지니는 소결 가능한 세라믹 조성물의 압분체 기판을 형성하고, 후속적인 이소스태틱 압분단계 동안 또는 그전에 유리질로 되지 않는 세라믹 조성물의 중착에 의해 압분체 기판에 코팅하고, 압분체를 이론적 밀도에 접근시키고 위한 온도와 압력에서 상기 코팅 및/또는 압분체 기판과 반응하는 분위에서 코팅된 압분체 기판을 가열 및 이소스태틱 압분하는 단계들을 포함하는, 고온 이소스태틱 압분에 의해 세라믹 휘스커상을 포함하는 성형된 세라믹 제품에서 이론 밀도수치의 95%보다 큰 밀도를 얻는 방법.
  2. 매트릭스상과 탄화물 휘스커상 및 질소와 상기 탄화물 휘스커상의 반응 생성물로서 형성된 질소를 함유하는 상을 포함하며, 상기 탄화물 휘스커 상은 12.5체적%를 넘으며, 휘스커 방향성의 X선 변수는 0.66-1.5범위안에 있고 소결된 세라믹의 밀도는 이론 밀도수치의 95%를 넘게 조성된 소결된 세라믹 조성물.
  3. 매트릭스 상, 세라믹 휘스커상 및 질소와 상기 세라믹 휘스커상의 반응생성물로서 형성된 질소를 함유하는 상을 지니는 소결된 세라믹 조성물, 상기 세라믹 휘스커상은 12.5체적%이상이며, 휘스커 방향성에 대한 X선 변수는 0.66-1.5의 범위안에 있으며, 소결된 세라믹 조성물의 밀도는 이론 밀도수치의 95%이상이고, 상기 소결된 세라믹 조성물은 레이크면과 플랭크면의 접합부에 절삭 인선을 지니는 것으로 구성된 절삭공구.
    ※ 참고사항：최초출원 내용에 의하여 공개하는 것임.
KR1019890700791A 1987-09-02 1988-08-08 휘스커 보강 세라믹과 그것의 클래드/고온 이소스태틱 압분방법 KR890701501A (ko)

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US092,118 1987-09-02
US07/092,118 US4820663A (en) 1987-09-02 1987-09-02 Whisker reinforced ceramic and a method of clad/hot isostatic pressing same
PCT/US1988/002690 WO1989001920A1 (en) 1987-09-02 1988-08-08 Whisker reinforced ceramics and a method of clad/hot isostatic pressing same

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DE3882533D1 (de) 1993-08-26
ATE91680T1 (de) 1993-08-15
CN1016164B (zh) 1992-04-08
CA1314908C (en) 1993-03-23
CN1031996A (zh) 1989-03-29
JPH03500639A (ja) 1991-02-14
EP0377654A4 (en) 1991-05-22
DE3882533T2 (de) 1993-11-11
US4820663A (en) 1989-04-11
JPH0647505B2 (ja) 1994-06-22
EP0377654A1 (en) 1990-07-18
EP0377654B1 (en) 1993-07-21
WO1989001920A1 (en) 1989-03-09

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