KR960014055A - 고밀도 탄소섬유강화 탄소복합재의 제조방법 - Google Patents

고밀도 탄소섬유강화 탄소복합재의 제조방법 Download PDF

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KR960014055A
KR960014055A KR1019940026952A KR19940026952A KR960014055A KR 960014055 A KR960014055 A KR 960014055A KR 1019940026952 A KR1019940026952 A KR 1019940026952A KR 19940026952 A KR19940026952 A KR 19940026952A KR 960014055 A KR960014055 A KR 960014055A
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South Korea
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carbon fiber
composite material
pitch
manufacturing
carbon composite
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KR1019940026952A
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KR970005877B1 (en
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오세민
박양덕
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김만제
포항종합제철 주식회사
신창식
재단법인 산업과학기술연구소
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Priority to KR94026952A priority Critical patent/KR970005877B1/ko
Publication of KR960014055A publication Critical patent/KR960014055A/ko
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Publication of KR970005877B1 publication Critical patent/KR970005877B1/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
    • C04B35/71—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
    • C04B35/622—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
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/6267—Pyrolysis, carbonisation or auto-combustion reactions
    • 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
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62675—Thermal treatment of powders or mixtures thereof other than sintering characterised by the treatment temperature
    • 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
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • 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

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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)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Composite Materials (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Products (AREA)

Abstract

본 발명은 핏치에 황을 첨가하여 탄화수율을 높인 매트릭스 원료를 사용함으로서 고밀도 탄소섬유강화 탄소 복합재의 제조방법을 제공함에 그 목적이 있다. 상기한 목적을 달성하기 위한 본 발명은 핏치를 이용한 탄소섬유강화 탄소복합재의 제조방법에 있어서, 핏치에 20중량% 미만의 황을 첨가한 혼합물을 탄소섬유에 용융함침시킨 후, 상기 용융 함침된 탄소섬유를 불활성분 위기하에서 250-600℃의 온도로 0.5-8시간 동안 열처리한 다음, 통상의 방법으로 가압성형하고, 상기 가압상태를 유지하면서 탄화처리함을 특징으로 하는 고밀도 탄소섬유강화 탄소복합재의 제조방법을 그 요지로 하고 있으며, 이러한 본 발명의 제조방법은 항공재료, 기계용 소재로 사용할 수 있는 고밀도 탄소섬유강화 탄소복합재를 제공하는 효과가 있는 것이다.

Description

고밀도 탄소섬유강화 탄소복합재의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 핏치를 이용한 탄소섬유강화 탄소복합재의 제조방법에 있어서, 핏치에 20중량% 미만의 황을 첨가한 혼합물을 탄소섬유에 용융 함침시킨 후, 상기 용융함침된 탄소섬유를 불활성 분위기에서 250-600℃의 온도로 0.5-8시간 동안 열처리한 다음, 통상의 방법으로 가압성형하고, 상기 가압상태를 유지하면서 탄화처리함을 특징으로 하는 고밀도 탄소섬유강화 탄소 복합재의 제조방법.
  2. 제1항에 있어서, 상기 핏치의 연화점이 50-150℃의 온도범위인 핏치를 사용함을 특징으로 하는 제조방법.
  3. 제1항에 있어서, 상기 핏치가 300㎛이하인 분말임을 특징으로 하는 제조방법.
  4. 제1항에 있어서, 상기 용융함침이 핏치의 연화점보다 50-100℃ 높은 온도범위에서 실시함을 특징으로 하는 제조방법.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 탄화처리가 500℃ 이상의 온도에서 실시함을 특징으로 하는 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR94026952A 1994-10-21 1994-10-21 Process for the preparation of carbon composite material of carbon fibre reinforcing KR970005877B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR94026952A KR970005877B1 (en) 1994-10-21 1994-10-21 Process for the preparation of carbon composite material of carbon fibre reinforcing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR94026952A KR970005877B1 (en) 1994-10-21 1994-10-21 Process for the preparation of carbon composite material of carbon fibre reinforcing

Publications (2)

Publication Number Publication Date
KR960014055A true KR960014055A (ko) 1996-05-22
KR970005877B1 KR970005877B1 (en) 1997-04-21

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ID=19395573

Family Applications (1)

Application Number Title Priority Date Filing Date
KR94026952A KR970005877B1 (en) 1994-10-21 1994-10-21 Process for the preparation of carbon composite material of carbon fibre reinforcing

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000046407A (ko) * 1998-12-31 2000-07-25 추호석 탄소/탄소 복합재 제조방법

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KR970005877B1 (en) 1997-04-21

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