SiC whisker-toughened SiC oxidation protective coating for carbon/carbon composites

被引：65
|
作者：
Li, HJ [1 ]
Fu, QG [1 ]
Shi, XH [1 ]
Li, KZ [1 ]
Hu, ZB [1 ]
机构：
[1] Northwestern Polytech Univ, Dept Mat, CC Composites Technol Res Ctr, Lab Superhigh Temp Composites, Xian 710072, Shaanxi, Peoples R China
来源：
CARBON | 2006年 / 44卷 / 03期
基金：
中国国家自然科学基金;
关键词：
carbon/carbon composites; coating; oxidation;
D O I：
10.1016/j.carbon.2005.09.026
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A dense SiCw toughened SiC coating was prepared by the two-step technique composed of slurry and pack cementation. The microstructures, oxidation resistance and thermal stress resistance of the as-received coatings were investigated. Small substrates were cut from bulk 2-D C/C composites for SiC coatings. The results showed that SiCw could decrease the dimension of cracks and improve the oxidation and thermal stress resistance of SiC coatings.
引用
收藏
页码：602 / 605
页数：4
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