KR880003870A - 실리콘 카아바이드 함유 세라믹 성형체 - Google Patents

실리콘 카아바이드 함유 세라믹 성형체 Download PDF

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Publication number
KR880003870A
KR880003870A KR1019870010740A KR870010740A KR880003870A KR 880003870 A KR880003870 A KR 880003870A KR 1019870010740 A KR1019870010740 A KR 1019870010740A KR 870010740 A KR870010740 A KR 870010740A KR 880003870 A KR880003870 A KR 880003870A
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South Korea
Prior art keywords
silicon carbide
molded article
alumina
silica
article according
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KR1019870010740A
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KR940010096B1 (ko
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와트 맥알리스터 제롬
티 팜 리엔-흉
젠 소우만 하롤드
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미네소타 마이닝 앤드 매뉴팩츄어링 컴패니
도날드 밀러 셀
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    • 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
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • 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
    • 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
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/19—Inorganic fiber

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Fibers (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Products (AREA)

Abstract

내용 없음

Description

실리콘 카아바이드 함유 세라믹 성형체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. 세라믹 매트릭스와 이것에 분산된 5 내지 30중량%의 실리콘 카아바이드로 구성되고, 완전 밀집된 호스트 매트릭스의 고유탄성 계수치(E)보다 적어도 10% 큰 탄성계수치(E)를 가지는 것을 특징으로 하는 성형체
  2. 제1항에 있어서 상기 세라믹 매트릭스가 알루미나-실리카, 알루미나-크로미아, 알루미나-보리아, 알루미나-보리아-실리카, 알루미늄-산화인, 타타니아, 지르코니아-실리카 또는 이들의 혼합물인 것을 특징으로 하는 성형체
  3. 제2항에 있어서, 상기 알루미나-보리아-실리카의 몰비 가 3:1:2이거나 지르코니아-실리카의 몰비가 1:1인 것을 특징으로 하는 성형체
  4. 제1항 내지 제3항에 있어서, 골면거칠기에 대한 평균피이크가 0.2㎛미만인 것을 특징으로 하는 성형체
  5. 제1항 내지 제4항에 있어서, 상기 실리콘 카아바이드가 부분 산화된 것을 특징으로 하는 성형체
  6. 제1항 내지 5항에 있어서, 상기 실리콘 카아바이드 입자의 평균 직경이 0.03㎛미만인 것을 특징으로 하는 성형체
  7. 제1항 내지 제6항에 있어서, 섬유, 편상, 구상, 버블 또는 랜덤형 입자인 것을 특징으로 하는 성형체
  8. 하기의 단계로 이루어지는 것을 특징으로 하는 세라믹 매트릭스와 이것에 분산된 실리콘 카아바이드로 구성되는 세라믹 성형체의 제조방법;a)적어도 하나의 세라믹 전구체졸과 평균입경이 0.1㎛이하인 결정성 실리콘 카아바이드 입자로 구성되는 점성 전구체액의 혼합물을 제조하고;b)상기 점성농축물을 성형체로 성형하고; c)얻어진 성형체를 증발겔화 또는 가수분해 하여 압분성형체를 제조하고;d)상기 압분성형체를 가열 및 소성하여 습기 및 유주 성분을 제거함으로써 내화성 성형체를 제조한다.
  9. 제8항에 있어서, 상기 실리콘카아바이드는 탄소 열공정 또는 플라스마 제조공정에서 유도되는 것을 특징으로 한 방법
  10. 제8항에 있어서, 상기 SiC가 부분 산화되는 것을 특징으로 하는 방법
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870010740A 1986-09-26 1987-09-25 실리콘 카아바이드 함유 세라믹 성형체 KR940010096B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US912830 1986-09-26
US912,830 1986-09-26
US06/912,830 US4800180A (en) 1986-09-26 1986-09-26 Ceramic articles containing silicon carbide

Publications (2)

Publication Number Publication Date
KR880003870A true KR880003870A (ko) 1988-06-01
KR940010096B1 KR940010096B1 (ko) 1994-10-21

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KR1019870010740A KR940010096B1 (ko) 1986-09-26 1987-09-25 실리콘 카아바이드 함유 세라믹 성형체

Country Status (6)

Country Link
US (1) US4800180A (ko)
EP (1) EP0261889B1 (ko)
JP (1) JPS6395151A (ko)
KR (1) KR940010096B1 (ko)
CA (1) CA1267163A (ko)
DE (1) DE3789263T2 (ko)

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Also Published As

Publication number Publication date
CA1267163A (en) 1990-03-27
EP0261889A2 (en) 1988-03-30
DE3789263D1 (de) 1994-04-14
US4800180A (en) 1989-01-24
JPS6395151A (ja) 1988-04-26
EP0261889A3 (en) 1989-05-10
DE3789263T2 (de) 1994-10-06
EP0261889B1 (en) 1994-03-09
KR940010096B1 (ko) 1994-10-21

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