为提高C/SiC复合材料的抗氧化性能,设计了致密的CVD-SiC涂层和多孔的熔盐法Zr-Si-C涂层相间的涂层体系.通过实验测试,建立了该涂层的生长模型,并考核了材料在1773 K的抗氧化性能.氧化结果显示,材料在氧化2h后的失重率为仅0.67％,弯曲强度保留率为99.7％,不同组成相间的结构涂层呈现出优异的抗氧化性能.
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