室温下用PMS(polymethylsilane,聚甲基硅烷)和SbCl3合成了新型液态SiC陶瓷先驱体锑掺杂聚硅烷(Antimony-substituted Polysilane,APS).Sb元素的引入形成了部分支化结构,提高了APS的陶瓷收率.经320℃固化后,APS陶瓷收率为91%.1250℃烧结产物主要成分为β-SiC和Sb金属.
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