KR940000215A - 연마용 압분체 - Google Patents

연마용 압분체 Download PDF

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KR940000215A
KR940000215A KR1019930011904A KR930011904A KR940000215A KR 940000215 A KR940000215 A KR 940000215A KR 1019930011904 A KR1019930011904 A KR 1019930011904A KR 930011904 A KR930011904 A KR 930011904A KR 940000215 A KR940000215 A KR 940000215A
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nitride
carbide
abrasive particles
coating
oxide
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KR1019930011904A
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알버트 채프만 레이몬드
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피터 드 재거
드 비어스 인더스트리얼 다이아몬드 디비젼(프로프라이어터리) 리미티드
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Publication of KR940000215A publication Critical patent/KR940000215A/ko

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Abstract

다이아몬드 또는 입방정 질화붕소 압분체는 코팅된 다이아몬드 또는 입방정 질화붕소 입자들로 이루어진 괴를 연마 입자가 결정학적으로 안정한 온도 및 압력 조건하에 처리함으로써 제조된다. 이 온도 및 압력 조건은 코팅을 충실 소결시키고, 연마 입자들을 결합시킨다. 연마 입자를 위한 코팅은 내화성 산화물, 질화물 또는 탄화물이다.

Description

연마용 압분체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (19)

  1. 개개의 입자 상에 산화물, 질화물 및 탄화물 중에서 선택된 내화성 재료가 코팅되어 피착된 초경질 연마 입자들로 된 괴를 제공하는 단계 및 상기 코팅된 연마 입자들의 괴를 연마 입자들이 결정학적으로 안정한 온도 및 압력 조건하에 처리하여 코팅을 충실 소결시키고 연마 입자들을 결합시키는 단계로 이루어지는 연마용 압분체의 제조 방법.
  2. 제1항에 있어서, 코팅이 입자 전체를 피복하여 피착되는 것인 방법.
  3. 제1항 또는 제2항에 있어서, 초경질 연마 입자가 적어도 입방정 질화붕소의 경도를 갖는 것인 방법.
  4. 제1항 내지 제3항 중의 어느 한 항에 있어서, 초경질 연마 입자가 다이아몬드 및 입방정 질화붕소 중에서 선택되는 것인 방법.
  5. 제1항 내지 제4항 중의 어느 한 항에 있어서, 연마 입자의 입도가 150 미크론 이하인 방법.
  6. 제1항 내지 제5항 중의 어느 한 항에 있어서, 연마 입자의 입도가 10 내지 60 미크론 이하인 방법.
  7. 제1항 내지 제6항 중의 어느 한 항에 있어서, 내화성 재료의 융점이 1200℃ 이상인 방법.
  8. 제1항 내지 제7항 중의 어느 한 항에 있어서, 내화성 재료의 융점이 1500℃ 이상인 방법.
  9. 제1항 내지 제8항 중의 어느 한 항에 있어서, 산화물이 산화알루미늄, 산화 지르코늄, 산화하프늄, 산화탄탈늄, 산화니오븀 및 산화티탄 중에서 선택되는 것인 방법.
  10. 제1항 내지 제8항 중의 어느 한 항에 있어서, 질화물이 질화알루미늄, 질화규소, 질화지르코늄, 질화하프늄, 질화탄탈륨, 질화바나듐, 질화티탄 및 질화니오븀 중에서 선택되는 것인 방법.
  11. 제1항 내지 제8항 중의 어느 한 항에 있어서, 탄화물이 탄화규소, 탄화지르코늄, 탄화하프늄, 탄화탄탈륨, 탄화바나듐, 탄화티탄, 탄화크롬, 탄화니오븀 및 탄화텅스텐 중에서 선택되는 것인 방법.
  12. 제1항 내지 제11항 중의 어느 한 항에 있어서, 초경질 연마 입자가 다이아몬드이고, 코팅이 질화물 또는 탄화물인 방법.
  13. 제1항 내지 제11항 중의 어느 한 항에 있어서, 초경질 연마 입자가 입방정 질화붕소 입자이고, 코팅이 질화물인 방법.
  14. 제1항 내지 제13항 중의 어느 한 항에 있어서, 코팅의 두께가 10 미크론 이하인 방법.
  15. 제1항 내지 제14항 중의 어느 한 항에 있어서, 코팅의 두께가 5 내지 10 미크론 범위인 방법.
  16. 제1항 내지 제15항 중의 어느 한 항에 있어서, 내화성 재료가 무정형 또는 본빌직으로 무정형인 방법.
  17. 제1항 내지 제16항 중의 어느 한 항에 있어서, 코팅이 다층으로 구성되고, 각 층은 서로 다른 내화성 재료로 이루어지는 것인 방법.
  18. 제17항에 있어서, 연마 입자에 인접한 층이 연마 입자의 열팽창 계수에 가장 가까운 열팽창 계수를 갖는 것인 방법.
  19. 제1항 내지 제18항 중의 어느 한 항에 있어서, 코팅된 입자에 적용된 온도 및 압력 조건이 1300℃ 내지 1700℃ 범위의 온도 및 40 내지 70 kbar 범위의 압력인 방법.
    ※ 참고사항：최초출원 내용에 의하여 공개하는 것임.
KR1019930011904A 1992-06-29 1993-06-29 연마용 압분체 KR940000215A (ko)

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US5453293A (en) * 1991-07-17 1995-09-26 Beane; Alan F. Methods of manufacturing coated particles having desired values of intrinsic properties and methods of applying the coated particles to objects
US20040052984A1 (en) 1997-05-13 2004-03-18 Toth Richard E. Apparatus and method of treating fine powders
AU725818B2 (en) * 1997-05-13 2000-10-19 Allomet Corporation Tough-coated hard powders and sintered articles thereof
EP1143044A4 (en) * 1999-09-22 2009-01-21 Sumitomo Electric Industries COATED DIAMOND, METHOD FOR THE PRODUCTION THEREOF AND COMPOSITE MATERIAL THEREOF CONTAINS
AU2005213530A1 (en) 2004-01-15 2005-08-25 Element Six Limited Coated abrasives
EP1709137A1 (en) * 2004-01-15 2006-10-11 Element Six Limited Coated abrasives
CN101678534A (zh) 2007-03-14 2010-03-24 圣戈班磨料磨具有限公司 粘合的磨料物品和制造方法
CN101678532B (zh) 2007-03-14 2012-07-04 圣戈班磨料磨具有限公司 粘合的磨料物品和制造方法
JP6344975B2 (ja) * 2014-05-27 2018-06-20 三菱マテリアル株式会社 ダイヤモンド複合焼結体とその製造方法
US20170066110A1 (en) * 2015-09-08 2017-03-09 Baker Hughes Incorporated Polycrystalline diamond, methods of forming same, cutting elements, and earth-boring tools

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EP0383861B1 (en) * 1988-08-17 1993-08-18 The Australian National University Diamond compact possessing low electrical resistivity
JP2767896B2 (ja) * 1989-06-15 1998-06-18 住友電気工業株式会社 硬質砥粒
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