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热压制备碳化硼涂层碳纤维增强碳化硅复合材料 被引量:4

B_4C Coating-containing Carbon Fiber Reinf orced SiC Composites by Hot Pressing
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摘要 采用聚对亚苯基硼的甲苯溶液为前驱体 ,并制得碳纤维增强碳化硅陶瓷基复合材料 ,初步探索了该工艺的可行性 ,同时对复合材料的结构与性能进行了表征。结果表明 ,所采用的碳纤维碳化硼涂层对复合材料的性能有很大的影响。 B 4C coating on M40JB carbon fiber was prepared by infiltration-pyrolysis with poly(p-phenylene) borone as precursor, the carbon fiber reinforc ed SiC composites were fabricated through infiltration, winding, cut, molding and hot-pressing with polycarbonsilane(PCS) as binder. The feasibility of the process wa s investigated, the microstructure and mechanical properties of the Cr/SiC comp osites was characterized. The results show that B 4C coating exhibited significant eff ect on the mechanical properties of the composites.
出处 《高技术通讯》 EI CAS CSCD 2000年第6期68-70,共3页 Chinese High Technology Letters
基金 国防预研项目!( 2 9 4 3 /A9160 0 0 49)
关键词 碳纤维 碳化硼涂层 复合材料 Carbon fiber, B 4C coating, Composites, Hot-pressing
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