Oxidation protection of carbon/carbon composites with a plasma-sprayed ZrB2-SiC-Si/Yb2SiO5/LaMgAal11O19 coating during thermal cycling

被引：56
作者：
Zou, Binglin [1 ,2 ]
Hui, Yu [1 ]
Huang, Wenzhi [1 ,4 ]
Zhao, Sumei [1 ]
Chen, Xiaolong [1 ,3 ]
Xu, Raying [1 ]
Tao, Shunyan [2 ]
Wang, Ying [1 ]
Cai, Xiaolong [1 ]
Cao, Xueqiang [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Rare Earth Resources Utilizat, Changchun 130022, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Coating Mat, Shanghai 200050, Peoples R China
[3] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
[4] Natl Univ Def Technol, Sci & Technol Adv Ceram Fibers & Composites Lab, Changsha 410073, Hunan, Peoples R China
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2015年 / 35卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Carbon/carbon composites; Coating; Microstructure; Oxidation; Thermal cycling; C/C COMPOSITES; MULTILAYER COATINGS; ROOM-TEMPERATURE; RESISTANCE;
D O I：
10.1016/j.jeurceramsoc.2015.01.015
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Carbon/carbon composites were plasma sprayed with a ZrB2-SiC-Si/Yb2SiO5/LaMgAl11O9 coating to improve the oxidation resistance at high temperature. Oxidation protection behavior of the coating was investigated by thermal cycling test using a gas flame about 2273 K. Results showed that the weight loss for the completely coated sample was only 0.30% after 10 cycles of heating for 79 min, and it gradually increased to 4.8% until the failure of coating with 24 cycles. The presence of through-cracks and horizontal cracks in the coating due to the durative oxidation of ZrB2-SiC-Si layer progressively accelerated the oxidation of substrate and failure of coating. (C) 2015 Elsevier Ltd. All rights reserved.
引用
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页码：2017 / 2025
页数：9
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