KR920000660A - Al₂O₃-based ceramic composites and manufacturing method thereof - Google Patents

Al₂O₃-based ceramic composites and manufacturing method thereof Download PDF

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KR920000660A
KR920000660A KR1019900008950A KR900008950A KR920000660A KR 920000660 A KR920000660 A KR 920000660A KR 1019900008950 A KR1019900008950 A KR 1019900008950A KR 900008950 A KR900008950 A KR 900008950A KR 920000660 A KR920000660 A KR 920000660A
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composite material
ceramic composite
based ceramic
zro
base
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KR1019900008950A
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Korean (ko)
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KR930004555B1 (en
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강석중
이수민
김득중
제이. 부르크 알.
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이상수
한국과학기술원
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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
    • C04B35/01—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

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

Abstract

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Description

Al2O3계 세라믹 복합재료 및 그 제조방법Al2O3-based ceramic composites and manufacturing method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (5)

Al2O3계 기지상의 복합재료에 금속 Nb입자가 균일하게 분산되어 높은 파괴인성을 나타냄을 특징으로 하는 Al2O3계 세라믹 복합재료.Al 2 O 3 based ceramic composite material as Al 2 O 3 Nb-based metal particles in the composite material on the base are uniformly distributed characteristic exhibits a high fracture toughness. 제1항에 있어서, Al2O3계 기지상은 Al2O3, Al2O3-ZrO2, Al2O3-Tic, Al2O3-SiCw 또는 Al2O3-ZrO2-SiCw 인 것을 특징으로 하는 Al2O3계 세라믹 복합재료.The Al 2 O 3 based matrix phase is Al 2 O 3 , Al 2 O 3 -ZrO 2 , Al 2 O 3 -Tic, Al 2 O 3 -SiCw or Al 2 O 3 -ZrO 2 -SiCw Al 2 O 3 -based ceramic composite material, characterized in that. Al2O3계 기지의 분말과 함계 Nb2O5와 Zr-Al금속간 화합분말을 혼합→건조→분쇄→성형하여 얻어진 성형체를 반응소결하여 Al2O3계 기지에 Nb입자를 균일하게 분산시킴을 특징으로 하는 Al2O3계 세라믹 복합재료의 제조방법.Al 2 O 3 based mixed powder and hamgye Nb 2 O 5 and the combined powdered Zr-Al intermetallic base → drying → crushing → molding the homogeneous the Nb particles in Al 2 O 3 based base by reaction sintering a resulting molded product distribution Method for producing an Al 2 O 3 -based ceramic composite material characterized in that. 제3항에 있어서, Al2O3계 분말이 Al2O3, ZrO2분말이고 Zr-Al금속간 화합물이 ZrAl2로서 Nb2O5와 ZrAl2의 혼합몰비가 1:1인 것을 특징으로 하는 Al2O3계 세라믹 복합재료의 제조방법.The Al 2 O 3 based powder is Al 2 O 3 , ZrO 2 powder and Zr-Al intermetallic compound is ZrAl 2 , characterized in that the mixing molar ratio of Nb 2 O 5 and ZrAl 2 is 1: 1. Method for producing an Al 2 O 3 -based ceramic composite material. 제3항에 있어서, 반응소결은 불활성 분위기의 고온소결로나 열간가압소결로중에서 1600℃내지 1750℃의 온도로 30분간 행해짐을 특징으로 하는 Al2O3계 세라믹 복합재료의 제조방법.The method of claim 3, wherein the reaction sintering is a manufacturing method of Al 2 O 3 based ceramic composite material characterized by a 30 minutes at a temperature of 1600 to 1750 ℃ ℃ in a hot-pressing Lorna high temperature sintering in an inert atmosphere haenghaejim. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900008950A 1990-06-18 1990-06-18 Al2o3 composite ceramic articles and methods of making same KR930004555B1 (en)

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KR1019900008950A KR930004555B1 (en) 1990-06-18 1990-06-18 Al2o3 composite ceramic articles and methods of making same

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Application Number Priority Date Filing Date Title
KR1019900008950A KR930004555B1 (en) 1990-06-18 1990-06-18 Al2o3 composite ceramic articles and methods of making same

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KR920000660A true KR920000660A (en) 1992-01-29
KR930004555B1 KR930004555B1 (en) 1993-06-01

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