A new SiC/yttrium silicate/glass multi-layer oxidation protective coating for carbon/carbon composites

被引：89
|
作者：
Huang, JF
Li, HJ
Zeng, XR
Li, KZ
Xiong, XB
Huang, M
Zhang, XL
Liu, YL
机构：
[1] Northwestern Polytech Univ, CC Composites Technol Res Ctr, Xian 710072, Peoples R China
[2] Shenzhen Univ, Dept Mat Sci, Shenzhen 518060, Peoples R China
来源：
CARBON | 2004年 / 42卷 / 11期
关键词：
carbon/carbon composites; coating; oxidation;
D O I：
10.1016/j.carbon.2004.05.005
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 protective coating, yttrium silicate/glass multi-layer for carbon/carbon (C/C) composites for the applications in aerospace and aircraft engines was discussed. It was observed that the SiC/gradient yttrium silicate/glass multilayer coating produced by pack cementation, plasma spray and sintering had excellent thermal shock resistance. This thermal shock resistance was found to be a good oxidation protective coating for C/C composites. It was found that the thermal shock resistance could protect the C/C composites from oxidation perfectly in air flowing by natural convection at 1773 K for 164 h.
引用
收藏
页码：2356 / 2359
页数：4
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