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J. Korean Ceram. Soc. > Volume 49(5); 2012 > Article
Journal of the Korean Ceramic Society 2012;49(5): 412.
doi: https://doi.org/10.4191/kcers.2012.49.5.412
폴리카보실란계 바인더를 이용한 다공성 SiC 세라믹스의 제조
박지혜, 김영희1, 정미원
성신여자대학교 생명과학.화학부/기초과학연구소
1한국세라믹기술원 에너지소재센터
Preparation of Porous SiC Ceramics Using Polycarbosilane Derivatives as Binding Agents
Jihye Park, Younghee Kim1, Miewon Jung
School of Biological Sciences and Chemistry, Institute of Basic Science, Sungshin Women's University,
1Energy materials Center, Korea Institute of Ceramic Engineering and Technology
Porous SiC ceramics were prepared by using recycled SiC sludge, which is an industrial waste generated from solar cell industry. Polycarbosilane derivatives, such as polycarbosilane (PCS), polyphenylcarbosilane (PPCS) and hydridopolycarbosilane (HPCS) were used as binding agents for the fabrication of porous SiC ceramics at $1800^{circ}C$ under Ar atmosphere. The effects of the various binding agents having different C/Si ratios were discussed on the sintering and porosity of the SiC ceramics. The prepared porous SiC ceramics were characterized by X-ray Diffraction (XRD) and Field-Emission Scanning Electron Microscope (FE-SEM). Thermal conductivity and porosity of SiC ceramics were measured at room temperature, and they were 56.7W/mK and 29.8%, respectively.
Key words: SiC sludge, Porous SiC, Polycarbosilane derivatives, Binding agents, Thermal conductivity
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