KR890003644A - 실리콘카바이드 및 카본을 함유하는 내산화성 알루미나-실리카 성형체 - Google Patents

실리콘카바이드 및 카본을 함유하는 내산화성 알루미나-실리카 성형체 Download PDF

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KR890003644A
KR890003644A KR1019880005772A KR880005772A KR890003644A KR 890003644 A KR890003644 A KR 890003644A KR 1019880005772 A KR1019880005772 A KR 1019880005772A KR 880005772 A KR880005772 A KR 880005772A KR 890003644 A KR890003644 A KR 890003644A
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weight
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alumina
silica
silicon carbide
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KR1019880005772A
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KR950001245B1 (ko
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프레더릭 에버리트 조오지
필립 존슨 테렌스
티 팜 리엔-홍
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도날드 밀러 셀
미네소타 마이닝 앤드 매뉴팩츄어링 컴패니
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    • 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
    • C04B35/16—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 silicates other than clay
    • C04B35/18—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 silicates other than clay rich in aluminium oxide
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
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    • 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
    • C04B35/6224—Fibres based on silica
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
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    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
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    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
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Abstract

내용 없음

Description

실리콘카바이드 및 카본을 함유하는 내산화성 알루미나-실리카 성형체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 연속 알루미나-실리카 또는 알루미나-보리아-실리카 매트릭스 제 1상과, 원상태로 생성된 불연속카본 제 2상과, 불연속실리콘 카바이드 제 3상으로 구성되고, 1300℃에서 적어도 2시간동안 가열하는 산화성 분위기에 대하여 안정한 것을 특징으로 하는 성형체
  2. 제 1항에 있어서, 연속알루미나-실리카 제 1상과, 원상태로 생성된 불연속 카본 제 2상과, 기계적으로 첨가된 불연속 실리콘카바이드 제 3상으로 구성되고, 상기 제 1상은 65내지 80중량%의 알루미나와 20내지 35중량%의 실리카와의 혼합물 또는 화학적화합물로 이루어진 총조성물의 55 내지 98중량%로 구성되고, 상기 카본 제 2상은 총조성물의 1 내지 20중량%로 구성되고, 상기 실리콘카비이드 제 3상은 총조성물의 1 내지 30중량%로 구성되는 것을 특징으로 하는 성형체.
  3. 제 1항 또는 제 2항에 있어서, 버블, 편, 과립, 비이드 또는 소형성형체인 것을 특징으로 하는 성형체.
  4. 제 1항에 있어서, 연속 알루미나-보리아-실리카 제 1상과, 원상태로 생성된 불연속 카본 제 2상과, 기계적으로 첨가된 불연속 실피콘바카이드 제 3상으로 구성되고, 상기 제 1상은 60내지 65중량%의 알루미나와, 25 내지 35중량%의 실리카와, 0.25 내지 15중량부의 보리아와의 혼합물의 65 내지 94%로 구성되고, 상기 제 2상은 1 내지 5중량%의 카본으로 구성되고, 상기 제 3상은 5 내지 30중량%의 실시콘카바이드로 구성되며, 1300℃에서 적어도 2시간동안 가열하는 산화성분위기에 대하여 안정한 것을 특징으로 하는 성형체.
  5. 하기단계로 구성되는 비반사성 성형압분체의 제조방법 :a) 1) 65 내지 80중량%의 알루미나와, 2)75 내지 100중량%의 유기실란과 25 내지 0중량%의 무정형실리카에서 유도되는 35 내지 20중량%의 실리카와,3) 1 내지 30중량%의 실리콘카바이드와의 혼합물 또는 화학적화합물로 이루어진 총 조성물의 55 내지 99중량%로 구성되고 상기압분체를 제조할 수 잇는 점성농축물을 제조하고, b) 상기 점성농축물을 성형형으로 성형하고,c) 상기 성형형을 탈수 또는 증발겔화 또는 가수분해하여 압분성형체를 제조하고,d) 상기 압분 성형체를 건조하여 비반사성 성형압분체를 제조한다.
  6. 제 5항에 있어서, 상기 성형압분체를 900 내지 1200℃ 범위의 온도에서 소성하여 반사성 알루미나-실리카 함유 성형체를 제조하는 단계를 포함하는 것을 특징으로 하는 방법.
  7. 제 5항 또는 제 6항에 있어서, 상기 알루미나가 하소에 의해 수분산성 알루미나졸과 수용성 알루미늄 중 적어도 하나로부터 유도되는 것을 특징으로 하는 방법.
  8. 제 5항 또는 제 6항에 있어서, 상기 실리콘카바이드가 점성농축물에 첨가되기전에 부분산화되는 것을 특징으로 하는 방법.
  9. 제 6항에 있어서, 상기 점성농축물이 충분량의 보리아를 포함하여 상기 반사성 제품중에 0.25 내지 15중량%의 보리아가 포함되도록 하는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880005792A 1987-08-24 1988-05-18 테이프의 블랭크 부분 탐색방법 KR950001245B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/088,903 US4798814A (en) 1986-09-26 1987-08-24 Oxidation resistant alumina-silica articles containing silicon carbide and carbon
US088,903 1987-08-24

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KR890003644A true KR890003644A (ko) 1989-04-17
KR950001245B1 KR950001245B1 (ko) 1995-02-15

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US (1) US4798814A (ko)
EP (1) EP0305024B1 (ko)
JP (1) JPS6456362A (ko)
KR (1) KR950001245B1 (ko)
CA (1) CA1314297C (ko)
DE (1) DE3882183T2 (ko)

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US7090722B2 (en) * 2004-05-17 2006-08-15 3M Innovative Properties Company Acid-reactive dental fillers, compositions, and methods
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9340060B2 (en) 2013-09-09 2016-05-17 Kwang Ju CHEON Slide type writing tool having device for preventing dryness

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CA1314297C (en) 1993-03-09
EP0305024A2 (en) 1989-03-01
EP0305024B1 (en) 1993-07-07
US4798814A (en) 1989-01-17
EP0305024A3 (en) 1989-12-13
KR950001245B1 (ko) 1995-02-15
JPS6456362A (en) 1989-03-03
DE3882183T2 (de) 1994-01-05
DE3882183D1 (ko) 1993-08-12

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