KR900016067A - 소결된 졸 겔 알루미나 연마 필라멘트 - Google Patents

소결된 졸 겔 알루미나 연마 필라멘트 Download PDF

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Publication number
KR900016067A
KR900016067A KR1019900006165A KR900006165A KR900016067A KR 900016067 A KR900016067 A KR 900016067A KR 1019900006165 A KR1019900006165 A KR 1019900006165A KR 900006165 A KR900006165 A KR 900006165A KR 900016067 A KR900016067 A KR 900016067A
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KR
South Korea
Prior art keywords
alumina
sol gel
filament
based abrasive
less
Prior art date
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KR1019900006165A
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English (en)
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KR0139203B1 (ko
Inventor
브이. 루 찰스
에치. 반 데 머위 로날드
더블유. 펠로우 스코트
이. 코트링거 토마스
제이. 클록 리차드
바우어 랄프
Original Assignee
스테펜 라일 보스트
노턴 캄파니
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Application filed by 스테펜 라일 보스트, 노턴 캄파니 filed Critical 스테펜 라일 보스트
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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • 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
    • 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
    • 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
    • C04B35/1115—Minute sintered entities, e.g. sintered abrasive grains or shaped particles such as platelets
    • 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
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C04B35/62231—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres based on oxide ceramics
    • C04B35/62236—Fibres based on aluminium oxide
    • 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

Abstract

내용 없음.

Description

소결된 졸 겔 알루미나 연마 필라멘트
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (16)

  1. 크기가 2μ이하이고 단면이 거의 균일하며 직경이 2㎜이하이고 평균 종횡비가 1.0이상이며 경도가 160Gpa이상인 소결 α-알루미나 결정을 포함하는 소결 졸 겔 알루미나계 연마 필라멘트.
  2. 제1항에 있어서, 입자의 길이가 1㎝미만인 소결 졸 겔 알루미나계 연마 필라멘트.
  3. 제2항에 있어서, 입자의 종횡비가 1.5내지 25이고 직경이 0.0001내지 2㎜이며 α-알루미나 결정의 크기가 1μ이하인 소결 졸 겔 알루미나계 연마 필라멘트.
  4. 제2항에 있어서, 입자의 80%이상이 크기가 0.4μ이하인 돌출 결정을 포함하는 소결 졸 겔 알루미나계 연마 필라민트.
  5. 제2항에 있어서, 밀도가 이론치의 95%이상이고 지르코니아, 티타니아, 마그네시아, 하프니아, 세리아, 스피넬, 뮬라이트, 이산화망간, 이들 산화물의 전구체 및 이들의 혼합물로 이루어진 그룹으로 선택된 산화물을 1내지 50중량% 포함하는 소결 졸 겔알루미나계 연마 필라멘트.
  6. 제2항에 있어서 α-알루미나 결정이 크기가 1μ만인 α-알루미나 종결정인 소결 졸 겔 알루미나계 연마 필라멘트.
  7. 제2항에 있어서, 필라멘트힝 알루미나계 연마제가 길이가 긴 방향으로 구부러진 소결 졸 겔 알루미나계 연마 필라멘트.
  8. 제2항에 있어서, 필라멘트형 알루미나계 연마제가 길이가 긴 방향으로 비틀어진 소결 졸 겔 알루미나계 연마 필라멘트.
  9. 제2항에 있어서, 유리 성분이 거의 없고 파단 강도가 8,000㎏이상인 소결 졸 겔 알루미나계 연마 필라멘트.
  10. 제1항에 따르는 필라멘트로 보강된 금속 또는 세라믹 복합품.
  11. 서브마이크론 등급의 수화 알루미나 입자의 겔화 분산액을 제공하고, 겔화 분산액율 필라멘트로 성형하고, 필라멘트를 건조시키고, 건조된 필라멘트를 선택된 시간동안 1090내 지 1500℃로 연소시킴으로써 필라멘트 속의 알루미나를 대부분이 크기가 약 2μ이하인 α-알루미나 결정으로 구성된 세라믹체로 전환시키는 단계를 포함하여 크기가 약 2μ이하인 α-알루미나 결정을 함유하는 알루미나계 필라멘트상 소결체를 제조하는 방법.
  12. 제11항에 있어서, 겔화 분산액이 소결 후 수화 알루미나 입자를 α-알루미나로 신속하게 전환시키기 위해서 브마이크로 등급의 종자 입자를 유효량 포함하며, α-알루미나 결정의 결정 크기가 약 1μ이하인 방법.
  13. 제11항에 있어서, α-알루미나 결정의 결정 크기가 약 0.4μ이하인 방법.
  14. 제11항에 있어서, 종자 입자가 α-알루미나, α-산화제철, α-알루미나, 산화크롬: α-알루미나, α-알루미나, 산화크롬 및 α-산화제철의 전구체: 및 이들의 혼합물로부터 선택되고, 약0.5내지 약 10중량%의 양으로 존재하는 방법.
  15. 제11항에 있어서, 겔화 분산액의 성형이 압출에 의해 수행되는 방법.
  16. 제11항에 있어서, 겔화 분산액의 성형이 방사에 의해 수행되는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900006165A 1989-04-28 1990-04-28 소결된 졸 겔 알루미나 연마 필라멘트 KR0139203B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US345139 1989-04-28
US07/345,139 US5009676A (en) 1989-04-28 1989-04-28 Sintered sol gel alumina abrasive filaments

Publications (2)

Publication Number Publication Date
KR900016067A true KR900016067A (ko) 1990-11-12
KR0139203B1 KR0139203B1 (ko) 1998-04-28

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KR1019900006165A KR0139203B1 (ko) 1989-04-28 1990-04-28 소결된 졸 겔 알루미나 연마 필라멘트

Country Status (16)

Country Link
US (2) US5009676A (ko)
EP (1) EP0395091B2 (ko)
JP (1) JPH0791532B2 (ko)
KR (1) KR0139203B1 (ko)
CN (1) CN1036145C (ko)
AT (1) ATE146533T1 (ko)
AU (1) AU620241B2 (ko)
BR (1) BR9002015A (ko)
CA (1) CA2015319C (ko)
DE (1) DE69029421T3 (ko)
DK (1) DK0395091T4 (ko)
ES (1) ES2095221T3 (ko)
GR (1) GR3022816T3 (ko)
MX (1) MX174564B (ko)
NO (1) NO175971B1 (ko)
ZA (1) ZA903148B (ko)

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ZA903148B (en) 1991-03-27
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