KR101122696B1 - 섬유강화 탄화규소 복합체의 제조방법 - Google Patents
섬유강화 탄화규소 복합체의 제조방법 Download PDFInfo
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- KR101122696B1 KR101122696B1 KR1020100094816A KR20100094816A KR101122696B1 KR 101122696 B1 KR101122696 B1 KR 101122696B1 KR 1020100094816 A KR1020100094816 A KR 1020100094816A KR 20100094816 A KR20100094816 A KR 20100094816A KR 101122696 B1 KR101122696 B1 KR 101122696B1
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- fiber
- silicon carbide
- molded body
- carbide composite
- reinforced silicon
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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
- C04B35/56—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 carbides or oxycarbides
- C04B35/565—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 carbides or oxycarbides based on silicon carbide
- C04B35/573—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 carbides or oxycarbides based on silicon carbide obtained by reaction sintering or recrystallisation
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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
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/91—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics involving the removal of part of the materials of the treated articles, e.g. etching
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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
- 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
- C04B2235/6581—Total pressure below 1 atmosphere, e.g. vacuum
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Ceramic Products (AREA)
Abstract
Description
페놀수지(중량%) | 실리콘(중량%) | 카본블랙(중량%) | |
실시예1 | 95 | - | 5 |
실시예2 | 90 | - | 10 |
실시예3 | 85 | - | 15 |
실시예4 | 80 | - | 20 |
실시예5 | 95 | 3.5 | 1.5 |
실시예6 | 90 | 7.0 | 3.0 |
실시예7 | 85 | 10.5 | 4.5 |
실시예8 | 80 | 14.0 | 6.0 |
비교예1 | 100 | - | - |
구 분 | 소결밀도 (g/cm3) |
기공율 (%) |
상온 3점 굽힘강도 (MPa) |
실시예1 | 1.8~2.1 | 23~37 | 30~70 |
실시예2 | 1.8~2.1 | 23~37 | 30~70 |
실시예3 | 1.8~2.1 | 23~37 | 30~70 |
실시예4 | 1.8~2.1 | 23~37 | 30~70 |
실시예5 | 1.9~2.3 | 24~32 | 40~90 |
실시예6 | 1.9~2.3 | 24~32 | 40~90 |
실시예7 | 1.9~2.3 | 24~32 | 40~90 |
실시예8 | 1.9~2.3 | 24~32 | 40~90 |
비교예1 | 1.3~1.6 | 30~40 | 20~35 |
Claims (8)
2) 상기 섬유 성형체를 열분해 탄소(PyC: Pyrolytic Carbon)로 코팅하는 단계;
3) 상기 열분해 탄소로 코팅된 섬유 성형체를, 페놀수지와; 탄소 분말과 실리콘 분말로 이루어진 군에서 선택되는 첨가제를 포함하는 혼합물에 함침하는 단계;
4) 상기 함침된 섬유 성형체를 탄화시키는 단계; 및
5)상기 탄화된 섬유 성형체에 금속실리콘을 충전시키고 진공분위기 하에서 용융, 침투하여 소결시키는 단계를 포함하는 것 특징으로 하는 섬유강화 탄화규소 복합체의 제조방법.
상기 3) 단계에서, 상기 혼합물은 상기 페놀수지와 첨가제를 95:5~80:20의 중량비로 포함하는 것을 특징으로 하는 섬유강화 탄화규소 복합체의 제조방법.
상기 3) 단계에서, 함침은 진공수지이송성형(VARTM: Vacuum Assisted Resin Transfer Molding)방법, 수지이송성형(RTM: Resin Transfer Molding)방법 및 진공함침(VI: Vacuum Impregnation)방법으로 이루어진 군에서 선택되는 방법으로 수행되는 것을 특징으로 하는 섬유강화 탄화규소 복합체의 제조방법.
상기 3) 단계 이후, 상기 함침된 섬유 성형체를 60~100℃에서 경화시키는 단계를 더 포함하는 것을 특징으로 하는 섬유강화 탄화규소 복합체의 제조방법.
상기 2) 단계에서, 상기 섬유 성형체는 프로판 가스와 질소가스를 1:10~10:1의 부피비율로 포함된 분위기에서 열분해 코팅되는 것을 특징으로 하는 섬유강화 탄화규소 복합체의 제조방법.
상기 4) 단계에서, 상기 함침된 섬유 성형체를 질소를 포함하는 분위기에서 실온에서 1,000℃ 이하까지 0.05~0.2℃/min으로 승온시켜 탄화시키는 것을 특징으로 하는 섬유강화 탄화규소 복합체의 제조방법.
상기 5) 단계에서, 상기 탄화된 섬유 성형체 외부에 금속실리콘을 충전시키고 실온에서 1,650℃ 이하까지 1~7℃/min으로 승온시켜 10~60분 동안 소결시키는 특징으로 하는 섬유강화 탄화규소 복합체의 제조방법.
상기 5) 단계 이후, 소결된 섬유 성형체를 질소가스로 표면처리하는 단계를 더 포함하는 것을 특징으로 하는 섬유강화 탄화규소 복합체의 제조방법.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108516852A (zh) * | 2018-04-08 | 2018-09-11 | 中南大学 | 一种碳-碳化硅双元基体碳纤维复合材料、其制备方法及应用 |
CN112830802A (zh) * | 2020-11-26 | 2021-05-25 | 陕西金承烯新材料科技有限公司 | 一种高强度碳纤维增强高温复合材料的制备方法 |
CN113497241A (zh) * | 2020-03-18 | 2021-10-12 | 广州汽车集团股份有限公司 | 碳/碳复合材料、燃料电池双极板、燃料电池及制备方法 |
KR20220063013A (ko) | 2020-11-09 | 2022-05-17 | 한국재료연구원 | 세라믹 복합체 및 이의 제조 방법 |
KR20220063808A (ko) * | 2020-11-09 | 2022-05-18 | 한국재료연구원 | 파핑 공정을 이용한 탄소섬유 및 탄화규소 섬유강화 세라믹 복합체 제조 방법 |
CN117534498A (zh) * | 2023-12-06 | 2024-02-09 | 浙江星辉新材料科技有限公司 | 一种碳纤维陶瓷刹车片及其制备方法 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108516852A (zh) * | 2018-04-08 | 2018-09-11 | 中南大学 | 一种碳-碳化硅双元基体碳纤维复合材料、其制备方法及应用 |
CN108516852B (zh) * | 2018-04-08 | 2020-06-26 | 中南大学 | 一种碳-碳化硅双元基体碳纤维复合材料、其制备方法及应用 |
CN113497241A (zh) * | 2020-03-18 | 2021-10-12 | 广州汽车集团股份有限公司 | 碳/碳复合材料、燃料电池双极板、燃料电池及制备方法 |
KR20220063013A (ko) | 2020-11-09 | 2022-05-17 | 한국재료연구원 | 세라믹 복합체 및 이의 제조 방법 |
KR20220063808A (ko) * | 2020-11-09 | 2022-05-18 | 한국재료연구원 | 파핑 공정을 이용한 탄소섬유 및 탄화규소 섬유강화 세라믹 복합체 제조 방법 |
KR102471198B1 (ko) | 2020-11-09 | 2022-11-29 | 한국재료연구원 | 파핑 공정을 이용한 탄소섬유 및 탄화규소 섬유강화 세라믹 복합체 제조 방법 |
CN112830802A (zh) * | 2020-11-26 | 2021-05-25 | 陕西金承烯新材料科技有限公司 | 一种高强度碳纤维增强高温复合材料的制备方法 |
CN117534498A (zh) * | 2023-12-06 | 2024-02-09 | 浙江星辉新材料科技有限公司 | 一种碳纤维陶瓷刹车片及其制备方法 |
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