为进一步提高C／C复合材料的抗高温氧化性能，采用包埋法和刷涂法在C／C复合材料上制备了SiC／MoSi2-Si2N2O-CrSi2抗高温氧化涂层，借助XRD及SEM对涂层的组织结构及形貌进行了表征，初步研究了涂层在1500℃静态空气中的氧化性能及其形成机理。结果显示：SiC／MoSi2-Si2N2O-CrSi2涂层最外层主要由Si2N2O，少量CrSi2，SiC，MoSi2相组成，该涂层在1500℃下氧化26h失重率仅为1．94％，其抗氧化性能优于无Si2N2O的MoSi2-SiC-CrSi2涂层。
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