High-temperature oxidation resistance of Si-coated C/SiC composites

被引：0
|
作者：
Jie Xiao [1 ]
HuaYue Zhang [1 ]
ShengKai Gong [1 ,2 ]
HuiBin Xu [1 ,2 ]
HongBo Guo [1 ,2 ]
机构：
[1] School of Materials Science and Engineering,Beihang University
[2] Key Laboratory of High-Temperature Structure Materials and Protective Coatings (Ministry of Industry and Information Technology),Beihang
来源：
RareMetals | 2024年 / 43卷 / 09期
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D O I：
暂无
中图分类号：
TB332 [非金属复合材料];
学科分类号：
摘要：
In this paper, Si coatings were sprayed onto C/Si C composite substrates by atmospheric plasma spraying(APS). The high-temperature oxidation behavior of the substrate and coating at temperatures of 1100 and 1300 °C was also studied. The C/Si C ceramic matrix composite will be damaged seriously and even failed due to the oxidation of carbon fibers in matrix. The Si coating effectively improved the oxidation resistance of the C/Si C substrate in the high-temperature oxidation test. The effect of the thickness of the Si coatings on the oxidation resistance was investigated. The 150-μm coating is proved to enable the substrate to have the lowest oxidation weight loss and the best oxidation resistance after static oxidation for 5 h.
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页码：4566 / 4572
页数：7
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