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Method for the preparation of silicon carbide-based composite ceramic body with fiber reinforcement
Method for the preparation of silicon carbide-based composite ceramic body with fiber reinforcement
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机译:纤维增强碳化硅基复合陶瓷体的制备方法
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摘要
Disclosed is a method for the preparation of a fiber- reinforced silicon carbide-based composite ceramic body having outstandingly high mechanical strengths even without using any sintering aids or without undertaking the hot-press sintering method. The method comprises impregnating carbon fibers or silicon carbide fibers with a slurry containing an elementary silicon powder, an organic resin, e.g., phenolic resins, and an organosilicon polymer, e.g., polysilastyrenes, according to a specified formulation and shaping the impregnated fibers into a green body which is subjected to a calcination treatment at 1300. degree.- 1500° C. in an inert atmosphere under normal pressure.
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