利用大气等离子喷涂在C/SiC复合材料表面制备BSAS涂层,并研究涂层的高温抗氧化性能.结果表明:包裹有BSAS涂层的复合材料在1 400℃下抗氧化性能良好,120 h后,样品失重率仅为复合材料自身失重率的1/7.1 400℃下热循环300 h后涂层剥落失效,同时发现BSAS涂层由六方相生成单斜相.
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