Abstract: The carbon fiber reinforced Si-C-N ceramic matrix composite with a Si-O-C interlayer(C/Si-O-C/Si-C-N) was fabricated with the matrix fabricated by CVI and the interphase fabricated by PIP. The influence of Si-O-C interlayer on the mechanical properties, oxidation resistance and thermal expansion properties of the composites was investigated. The results indicate that compared to the C/Si-C-N with a pro-carbon interlayer(C/PyC/Si-C-N), the oxidation resistance of C/Si-C-N composite with a Si-O-C interlayer (C/Si-O-C/Si-C-N) was improved. The strength of C/Si-O-C/Si-C-N can compare with that of C/PyC/Si-C-N. The ave-rage coefficient of thermal expansion of C/Si-O-C/Si-C-N was higher than that of C/PyC/Si-C-N throughout the experimental tempe-rature range.
卢国锋. Si-O-C界面对C/Si-C-N复合材料性能的影响*[J]. 《材料导报》期刊社, 2017, 31(16): 121-124.
LU Guofeng. Influence of Si-O-C Interlayer on the Properties of C/Si-C-N Composites. Materials Reports, 2017, 31(16): 121-124.
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2017, Vol. 31 
