KR960702420A - 알루미나 및 지르코니아를 함유하는 연마 입자(abrasive grain containing alumina and zirconia) - Google Patents

알루미나 및 지르코니아를 함유하는 연마 입자(abrasive grain containing alumina and zirconia)

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Publication number
KR960702420A
KR960702420A KR1019950701135A KR19950701135A KR960702420A KR 960702420 A KR960702420 A KR 960702420A KR 1019950701135 A KR1019950701135 A KR 1019950701135A KR 19950701135 A KR19950701135 A KR 19950701135A KR 960702420 A KR960702420 A KR 960702420A
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South Korea
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zirconia
present
abrasive
alumina
metal oxide
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KR1019950701135A
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English (en)
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헨리 에이. 라미
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워렌 리처드 보비
미네소타 마이닝 앤드 매뉴팩츄어링 컴패니
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Publication of KR960702420A publication Critical patent/KR960702420A/ko

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • C09K3/1409—Abrasive particles per se
    • C09K3/1418—Abrasive particles per se obtained by division of a mass agglomerated by sintering
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/12—Cut-off wheels
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/117—Composites
    • C04B35/119—Composites with zirconium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products

Abstract

본 발명은 알파 알루미나 산화물 일수화물 및 지르코니아졸을 내부에 함유하는 분산액을 제조하는 단계; 상기 분산액 베이스 그릿 물질로 전환시키는 단계; 상기 베이스 그릿을 소결시켜 연마 입자를 형성시키는 단계를 포함하여, 바림직한 연마 입자를 제조하는 방법에 관한 것으로서, 베이스 그릿을 형성시키는 분산액내에 지르코니아졸의 존재는 연마 제품에 유용한 개선된 연마 입자를 제공한다.

Description

알루미나 및 지르코니아를 함유하는 연마 입자 (ABRASIVE GRAIN CONTAINING ALUMINA AND ZIRCONIA)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 연마 입자가 내부에 혼입된 피복된 연마 제품의 부분 횡단면 개요도이다.
제2도는 본 발명에 의한 연마 입자가 내부에 혼입된 결합된 연마 제품의 사시도이다.
제3도는 본 발명에 의한 연마 입자가 내부에 혼합된 부직 연마 제품의 확대도이다.
제4도는 실시예 19에 의한 연마 입자의 전자 방출 주사 전자 광현미경사진(10,0OO 배율)이다.
제5도는 비교예 B에 의한 연마 입자의 전자 방출 주사 전자 광현미경사진(10,00O 배율)이다.

Claims (26)

  1. (a) 알루미나 수화물 및 유효량의 지르고니아 입자(상기 입자의 약 97중량% 이상은 그 크기가 약 0.2/㎛이하임)의 졸을 포함하는 분산액을 제조하는 단계; (b) 상기 분산액으로부터 알루미나베이스 그릿을 형성시키는 단계; 및 (c) 상기 알루미나 베이스 그릿을 소결시켜 연마 입자를 제공하는 단계를 포함하여, 연마 입자물질을 제조하는 방법.
  2. 제1항에 있어서, 상기 분산액이 수성 분산액이며, 상기 (c)의 소결 단계 전에 단계 (b)의 알루미나 베이스 그릿을 하소시키는 단계를 추가로 포함하는 제조 방법.
  3. 제2항에 있어서, 상기 분산액이 지르고니아를 내부에 충분히 함유하여, 상기 연마 입자가 지르코니아를 약 0.1 내지 약 5O중량% 함유하도록 하는 제조 방법.
  4. 제2항에 있어서, 상기 단계 (a)의 지르고니아졸이 약 50중량% 이상이 약 0.05㎛ 이하의 크기를 갖는 콜로이드성 지르코니아 입자 약 15 내지 약 40중량%를 함유하는 제조 방법.
  5. 제2항에 있어서, 상기 수성 분산액이 물 약 30 내지 약 80중량%를 함유하는 제조 방법.
  6. 제2항에 있어서, 상기 수성 분산액이 성핵 물질을 추가로 함유하는 제조 방법.
  7. 제2항에 있어서, 상기 수성 분산액이 금속 산화물 전구물질을 추가로 함유하는 제조 방법.
  8. 제2항에 있어서, 상기 소결 단계전에, 상기 하소된 알루미나 베이스 그릿을 금속 산화물 전구물질로 함침시키는 단계를 포함하는 제조 방법.
  9. 제8항에 있어서, 상기 금속 산화물 전구물질이 이트리아, 산화 미그네슘 및 희토류 산화물로 구성되는 군에서 선택되는 산화물의 전구물질이고, 상기 알루미나 수화물이 약 70 내지 약 95중량%의 알루미나를 갖는 상기 연마 입자를 제공하기에 충분한 양으로 상기 분산액중에 존재하며, 상기 알루미나는 알파 알루미나, 알루미나 반응 생성물(들), 또는 이들의 조합체중 하나로서 존재하고; 상기 지르코니아 입자는 약 0.1 내지 약15중량%의 지르코니아를 갖는 상기 연마 입자를 제공하기에 충분한 양으로 상기 분산액중에 존재하며, 상기 지르코니아는 지르코니아 또는 지르코니아와 지르코니아의 반응 생성물(들)중 하나로서 상기 소결된 연마 입자내에 존재하고; 상기 금속 산화물 전구물질은 약 0.5중량% 이상의 하나 이상의 금속 산화물을 제공하기에 충분한 양으로 존재하며, 상기 금속 산화물은 금속 산화물, 금속 산화물의 반응 생성물(들), 또는 이들의 조합체중 하나로서 존재하고, (i) 상기 희토류 산화물은 프라세오디뮴, 사마륨, 이테르븀, 네오디뮴, 란타늄, 가돌리늄, 세륨, 디스프로슘, 에르븀 및 이들의 혼합물의 산화물로 구성되는 군에서 선택되며; (ii) 상기 이트리아, 산화마그네슘 및 희토류 산화물 각각은, 존재하는 경우 약 1O중량% 이하로 제공되는 제조 방법.
  10. 제9항에 있어서, 상기 이트리아 전구물질이 약 0.5 내지 약 10중량%의 이트리아를 갖는 연마 입자를 제공하기에 충분한 양으로 존재하는 제조 방법.
  11. 제10항에 있어서, 상기 산화 마그네슘 전구물질이 약 0.5 내지 약 1.5중량%의 산화 마그네슘을 갖는 상기 연마 입자를 제공하기에 충분한 양으로 존재하고, 상기 희토류 산화물 전구물질이 약 0.5 내지 약 5중량%의 희토류 산화물을 갖는 상기 연마 입자를 제공하기에 충분한 양으로 존재하는 제조 방법.
  12. 제9항의 방법에 따라 제조한 연마 입자.
  13. 제2항에 있어서, 상기 하소 단계전에, 상기 알루미나 베이스 그릿 및 상기 하소된 알루미나 베이스 그릿중 하나 이상을 금속 산화물(들), 이것의 전구물질 및 이들의 조합체로 구성되는 군에서 선택되는 물질로 코팅시키는 단계를 포함하고, 상기 소결된 연마 입자는 소결된 코어 및 금속 산화물 코팅을 함유하는 제조 방법.
  14. 제2항에 있어서, 상기 분산액이 이트리아, 산화 마그네슘 및 희토류 산화물로 구성되는 군애서 선택되는 산화물의 금속 산화물 전구물질을 추가로 포함하고, 상기 알루미나 수화물이 약 70 내지 약 95중량%의 알루미나를 갖는 상기 연마 입자를 제공하기에 충분한 양으로 상기 분산액중에 존재하며, 상기 알루미나는 알파 알루미나, 알루미나 반응 생성물(들), 또는 이들의 조합체중 하나로서 존재하고; 상기 지르고니아 입자는 약 0.1내지 약 15중량%의 지르고니아를 갖는 상기 연마 입자를 제공하기에 충분한 양으로 상기 분산액중에 존재하며, 상기 지르고니아는 지르고니아 또는 지르고니아와 지르고니아의 반응 생성물(들)중 하나로서 상기 소결된 연마입자내에 존재하고; 상기 금속 산화물 전구물질은 약 0.5 중량% 이상의 하나 이상의 금속 산화물을 제공하기에 충분한 양으로 존재하며, 상기 금속 산화물은 금속 산화물, 금속 산화물의 반응 생성물(들), 또는 이들의 조합체중 하나로서 존재하고, (i) 상기 희토류 산화물은 프라세오디뮴, 사마륨, 이테르븀, 네오디뮴, 란타늄, 가돌리늄, 세륨, 디스프로슘, 에르븀 및 이들의 혼합물의 산화물로 구성되는 군에서 선택되며; (ii) 상기 이트리아, 산화 마그네슘 및 희토류 산화물 각각은, 존재하는 경우 약 10중량% 이하로 제공되는 제조 방법.
  15. 제2항의 방법에 따라 제조한 연마 입자.
  16. 알파 알루미나 및 약 0.05 내지 약 1㎛ 크기의 지르고니아 입자를 포함하며, 상기 지르고니아 입자중 대다수는 알파 알루미나 결정들 사이에 불규칙적으로 그리고 균일하게 분포하는 연마 입자.
  17. 제16항에 있어서, 이트리아 반응 생성물(들)로서 존재하는 이트리아 및 산화 마그네슘 반응 생성물(들)로서 존재하는 산화 마그네슘을 포함하는 연마 입자.
  18. 제16항에 있어서, 상기 알파 알루미나가 성핵재에 의해 핵화되는 알파 알루미나를 포함하는 연마 입자.
  19. 제16항에 있어서, (a) 알파 알루미나 또는 상기 알파 알루미나와 알루미나의 반응 생성물(들)중 하나로서 존재하는 알루미나 약 70 내지 약 95중량%; (b) 지르고니아 입자 또는 상기 지르코니아 입자와 지르고니아의 반응 생성물(들)중 하나로서 존재하는 지르고니아 약 0.1 내지 약 15중량%; (c) 산화 마그네슘의 반응 생성물(들)로서 존재하는 산화 마그네슘 약 0.5내지 약 1.5중량96; 및 (d) 프라세오디뮴, 사마륨, 이테르븀, 네오디뮴, 란타늄, 가돌리늄, 세륨, 디스프로슘, 에르븀 및 이들의 혼합물의 산화물로 구성되는 군에서 선택되며, 희토류 산화물, 희토류 산화물의 반응 생성물(들), 또는 이들의 조합체중 하나로서 존재하는 희토류 산화물약 O.1 내지 약 5중량%를 함유하는 연마 입자.
  20. 제19항에 있어서, 이트리아의 반응 생성물(들)로서 존재하는 이트리아 약 0.5 내지 약 10중량%를 함유하는 연마 입자.
  21. 제20항에 의한 연마 입자인 코어 및 그 상의 금속 산화물로 된 표면 코팅을 포함하는 연마 입자.
  22. (a) 결합제(5,6,64); 및 (b) 상기 결합제(5,6,64)에 의해 연마제품(1,10)내에 보유되는 제16항에 의한 다수의 연마 입자(4,11,52)를 함유하는 연마 제품(1,10).
  23. 제22항에 있어서, 상기 연마 제품(10)이 연마 월인 연마 제품(10).
  24. 제22항에 있어서, 상기 연마 제품이 컷오프인 연마 제품.
  25. 제22항에 있어서, 상기 연마 제품이 부직 연마 생성물인 연마 제품.
  26. (a) 주 표면을 갖는 배캥(2); 및 (b) 결합제(5,6)에 의해 상기 배킹(2)의 상기 주 표면에 결합되는 제22항에 의한 연마 입자(4)를 포함하는 연마층을 포함하는 피복된 연마 제품(1).
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950701135A 1992-09-25 1993-09-22 알루미나 및 지르코니아를 함유하는 연마 입자(abrasive grain containing alumina and zirconia) KR960702420A (ko)

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Application Number Priority Date Filing Date Title
US95165492A 1992-09-25 1992-09-25
US07/951,654 1992-09-25
PCT/US1993/008988 WO1994007809A1 (en) 1992-09-25 1993-09-22 Abrasive grain containing alumina and zirconia

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KR960702420A true KR960702420A (ko) 1996-04-27

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BR (1) BR9307112A (ko)
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DE69309478T2 (de) 1997-07-10
US5551963A (en) 1996-09-03
HK1007740A1 (en) 1999-04-23
JPH08502232A (ja) 1996-03-12
DE69309478D1 (de) 1997-05-07
CA2142898A1 (en) 1994-04-14
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