KR960022335A - 고밀도 탄소섬유강화 탄소복합재의 제조방법 - Google Patents

고밀도 탄소섬유강화 탄소복합재의 제조방법 Download PDF

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Publication number
KR960022335A
KR960022335A KR1019940038958A KR19940038958A KR960022335A KR 960022335 A KR960022335 A KR 960022335A KR 1019940038958 A KR1019940038958 A KR 1019940038958A KR 19940038958 A KR19940038958 A KR 19940038958A KR 960022335 A KR960022335 A KR 960022335A
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KR
South Korea
Prior art keywords
composite material
carbon fiber
pitch
high density
fiber reinforced
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Application number
KR1019940038958A
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English (en)
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KR970008693B1 (ko
Inventor
오세민
박양덕
Original Assignee
김만제
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구소
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Application filed by 김만제, 포항종합제철 주식회사, 신창식, 재단법인 산업과학기술연구소 filed Critical 김만제
Priority to KR1019940038958A priority Critical patent/KR970008693B1/ko
Publication of KR960022335A publication Critical patent/KR960022335A/ko
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Publication of KR970008693B1 publication Critical patent/KR970008693B1/ko

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Classifications

    • 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
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/83—Carbon fibres in a carbon matrix
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • 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
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • 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
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/658—Atmosphere during thermal treatment

Abstract

본 발명은 탄소섬유 강화재와 핏치를 이용한 고밀도 탄소섬유강화 탄소복합재 제조방법에 관한 것이다.
본 발명은 핏치에 황 2~20중량% 및 코크스 2~25중량%를 첨가한 다음 탄소섬유와 혼합한 후, 열처리 함으로써, 매트릭스 원료의 탄화수율을 증대시키고 또한 가압성형후에는 탄화과정에서 복합재를 가압상태로 유지하여 매트릭스 원료를 충분히 고화시킬으로써 복합재의 변형을 방지하는데 그 특징이 있는 것이다.
본 발명의 방법에 따라 밀도가 높은 탄소섬유강화 탄소복합재를 제조할 수 있다.

Description

고밀도 탄소섬유강화 탄소복합재의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (2)

  1. 핏치에 핏치 혼합물의 중량기준으로 황 2~20중량% 및 코크스 2~25중량%를 첨가혼합하여 핏치 혼합물을 형성하는 단계; 상기 핏치 혼합물에 전체 혼합물의 체적기준으로 10~70%되게 탄소섬유를 첨가하여 탄소섬유 및 핏치 혼합물을 형성하는 단계 ; 상기 탄소섬유 및 핏치 혼합물을 불활성 분위기하에서 400∼600℃의 온도에서 0.5~8시간 열처리하는 단계; 상기 열처리 후 30∼300kg/cm2압력으로 가압성형하는 단계; 및 상기 가압상태를 유지하면서 500~1000℃로 탄화처리하는 단계; 로 구성됨을 특징으로 하는 핏치를 이용한 고밀도 탄소복합재 제조방법.
  2. 1항에 있어서, 상기 코크스는 입자크기가 100μm 이하인 분말임을 특징으로 하는 방법.
    ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.
KR1019940038958A 1994-12-29 1994-12-29 고밀도 탄소섬유강화 탄소복합재의 제조방법 KR970008693B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940038958A KR970008693B1 (ko) 1994-12-29 1994-12-29 고밀도 탄소섬유강화 탄소복합재의 제조방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940038958A KR970008693B1 (ko) 1994-12-29 1994-12-29 고밀도 탄소섬유강화 탄소복합재의 제조방법

Publications (2)

Publication Number Publication Date
KR960022335A true KR960022335A (ko) 1996-07-18
KR970008693B1 KR970008693B1 (ko) 1997-05-28

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ID=19405142

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940038958A KR970008693B1 (ko) 1994-12-29 1994-12-29 고밀도 탄소섬유강화 탄소복합재의 제조방법

Country Status (1)

Country Link
KR (1) KR970008693B1 (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970042374A (ko) * 1995-12-30 1997-07-24 석진철 탄소/탄소 복합재료의 1차 탄화체 제조방법
KR100811802B1 (ko) * 2006-08-14 2008-03-10 박석균 콘크리트 보강용 로드에 사용되는 리브 재료

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970042374A (ko) * 1995-12-30 1997-07-24 석진철 탄소/탄소 복합재료의 1차 탄화체 제조방법
KR100811802B1 (ko) * 2006-08-14 2008-03-10 박석균 콘크리트 보강용 로드에 사용되는 리브 재료

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Publication number Publication date
KR970008693B1 (ko) 1997-05-28

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