KR980001967A - 내침식성과 내열충격성이 우수한 지르코니움 다이보라이드 소성재 - Google Patents

내침식성과 내열충격성이 우수한 지르코니움 다이보라이드 소성재 Download PDF

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KR980001967A
KR980001967A KR1019960020561A KR19960020561A KR980001967A KR 980001967 A KR980001967 A KR 980001967A KR 1019960020561 A KR1019960020561 A KR 1019960020561A KR 19960020561 A KR19960020561 A KR 19960020561A KR 980001967 A KR980001967 A KR 980001967A
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weight
plastic material
thermal shock
zrb
resistance
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KR1019960020561A
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KR100293186B1 (ko
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오세민
서영대
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김종진
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구소
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Priority to KR1019960020561A priority Critical patent/KR100293186B1/ko
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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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/5805—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
    • C04B35/58064—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides
    • C04B35/58078—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides based on zirconium or hafnium borides
    • 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
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63496—Bituminous materials, e.g. tar, pitch
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

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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)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

본 발명은 ZrB2의 소결성을 향상시켜 용융금속에 대한 내침석성과 내열충격성이 우수한 ZrB2계 세라믹스 소성재를 제공하고자 하는데 그 목적이 있다.
상기 목적을 달성하기 위한 본 발명은 ZrB2: 65-93중량%, 탄소질 분말 : 5-20중량% 및 메조페이즈 핏치 : 2-15중량%로 이루어지는 내침식성과 내열충격성이 우수한 ZrB2소성재에 관한 것을 그 요지로 한다.

Description

내침식성과 내열충격성이 우수한 지르코니움 다이보라이드 소성재
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (4)

  1. ZrB2: 65-93중량%, 탄소질 분말 : 5-20중량% 및 메조페이즈 핏치 : 2-15중량%로 이루어진 내침식성과 내열충격성이 우수한 지르코니움 다이보라이드(ZrB2) 소성재.
  2. 제1항에 있어서, 상기 ZrB2는 순도 95%이상이며 입도 10㎛ 이하의 분말상인 것을 특징으로 하는 내침식성과 내열충격성이 우수한 지르코니움 다이보라이드 소성재.
  3. 제1항에 있어서, 상기 탄소질 분말은 탄소성분 99중량% 이상이고, 휘발분과 잔류회분의 합이 1중량%이하이고, 그 입도 30㎛ 이하인 흑연, 코크스의 단독 또는 이들의 혼합물인 것을 특징으로 하는 내침식성과 내열충격성이 우수한 지르코니움 다이보라이드 소성재.
  4. 제1항에 있어서, 상기 메조페이즈 핏치가 연화점이 280℃이상이며 1000℃에서의 탄화수율이 70중량% 이상인 것을 특징으로 하는 내침식성과 내열충격성이 우수한 지르코니움 다이보라이드 소성재.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960020561A 1996-06-10 1996-06-10 내침식성과 내열충격성이 우수한 지르코니움 다이보라이드소성재 KR100293186B1 (ko)

Priority Applications (1)

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KR1019960020561A KR100293186B1 (ko) 1996-06-10 1996-06-10 내침식성과 내열충격성이 우수한 지르코니움 다이보라이드소성재

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KR1019960020561A KR100293186B1 (ko) 1996-06-10 1996-06-10 내침식성과 내열충격성이 우수한 지르코니움 다이보라이드소성재

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KR980001967A true KR980001967A (ko) 1998-03-30
KR100293186B1 KR100293186B1 (ko) 2001-11-26

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102010205B (zh) * 2010-11-08 2013-04-10 大连理工大学 一种二硼化锆-石墨陶瓷基复合材料及其制备方法

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Publication number Priority date Publication date Assignee Title
JPH05279128A (ja) * 1992-03-27 1993-10-26 Asahi Glass Co Ltd 二硼化ジルコニウム複合焼結体

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