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J. Korean Ceram. Soc. > Volume 46(3); 2009 > Article
Journal of the Korean Ceramic Society 2009;46(3): 301.
doi: https://doi.org/10.4191/kcers.2009.46.3.301
페놀수지 탄화 코팅법을 이용한 섬유강화 복합재료 계면 형성에 관한 연구
김세영, 우상국, 한인섭
한국에너지기술연구원 반응분리소재연구센터
Novel Phenol Resin Carbonizing Method for Carbon Interlayer Coating between Reinforcing Fiber and Matrix in Fiber Reinforced Ceramic Composite
Se-Young Kim, Sang-Kuk Woo, In-Sub Han
Reaction and Separation Material Research Center, Korea Institute of Energy Research
ABSTRACT
The novel carbon coating process for interlayer of fiber reinforced ceramic composites between fiber and matrix was performed by carbonizing phenolic resin solution that coated on fiber surface in $N_2$ atmosphere at $600^{circ}C$ to improve the strength and fracture toughness of CMC(ceramic matrix composite). 160 nm carbon layer was coated on fiber surface with 5 vol% of phenolic resin solution. Since the process temperature ($600^{circ}C$) is lower than chemical vapor deposition($900{sim}1000^{circ}C$), the strength and toughness could be preserved. Furthermore the coating thickness uniformity was improved to 8% of deviation along the stacking sequence. Therefore, prevention from fiber degradation during coating process and controlling coating thickness uniformity along the preform depth were achieved by coating with phenolic resin carbonizing method.
Key words: Fiber, Coating, Composite, Interlayer, PyC
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