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J. Korean Ceram. Soc. > Volume 32(6); 1995 > Article
Journal of the Korean Ceramic Society 1995;32(6): 710.
무가압 분말 충전 성형법에 의해 제조된 Si-SiC 복합체에 관한 연구
박정현, 임은택, 성재석, 최헌진, 이준석
연세대학교 세라믹공학과
A Study on the Si-SiC Composites Fabricated by Pressureless Powder Packing Forming Method
The new forming method, Pressureless Powder Packing Forming Method was applied to the manufacturing of reaction sintered SiC. After the experiments of vibratory powder packing and binder infiltration, the abrasive SiC powder of which mean size is 45${mu}{textrm}{m}$ was selected to this forming method. Uniform green bodies with porosity of 45% and narrow pore size distribution could be formed by this new forming method. Also, complex or varied cross-sectional shapes could be easily manufactured through the silicone rubber mould used in this forming method. Maximum 15 wt% amorphous carbon was penetrated into green body by multi impregnation-carbonization cycles. And reaction-bonded SiC was manufactured by infiltration of SiC-carbon shaped bodies with liquid silicon.
Key words: Powder packing, Forming method, Infiltration, Reaction sintering, Composite
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