采用高温反应法和PVD法在SiC工业合成炉内制备了C/C复合材料耐高温抗氧化SiC陶瓷涂层.用XRD、SEM对其物相组成和显微结构进行了表征与分析,讨论了涂层的形成机理,并研究了其高温氧化性能.研究结果表明,所制备的陶瓷涂层主要由α-SiCβ-SiC组成,晶粒发育完整,涂层表面致密、无裂纹,且与碳基体结合紧密,涂层厚度约600μm,涂层抗氧化性良好,在1500℃空气中氧化10h失重约为0.3%.
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