| 摘要 |
PROBLEM TO BE SOLVED: To provide a process for producing a porous molded article of silicon carbide having high porosity and excellent material strength. SOLUTION: An SiC whisker preform having surface reinforced with polyvinyl alcohol is impregnated with a binder solution containing dissolved polycarbosilane. The preform is dried and heat-treated in a non-oxidizing atmosphere at temperatures of 700-1700 deg.C to obtain the objective material having a weight ratio [SiC(p)]/[SiC(w)] of 1-40 wt.%, wherein [SiC(p)] is the amount of silicon carbide converted from polycarbosilane and [SiC (w)] is the amount of SiC whisker in the preform.
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