Oxidation and ablation resistance of ZrB2-SiC-Si/B-modified SiC coating for carbon/carbon composites

被引:60
|
作者
Tao, Feng [1 ]
He-Jun, Li [1 ]
Xiao-Hong, Shi [1 ]
Xi, Yang [1 ]
Shao-Long, Wang [1 ]
机构
[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, CC Composites Technol Res Ctr, Xian 710072, Shaanxi, Peoples R China
基金
中国国家自然科学基金;
关键词
Ceramic matrix composites; SEM; X-ray diffraction; Oxidation; TEMPERATURE; PROTECTION; MICROSTRUCTURE; BEHAVIOR; PHASE; B2O3;
D O I
10.1016/j.corsci.2012.10.041
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
ZrB2-SiC-Si/B-modified SIC coating was prepared on the surface of carbon/carbon (C/C) composites by two-step pack cementation. The coating could efficiently provide protection for C/C composites from oxidation and ablation. The improvement of oxidation resistance was attributed to the self-sealing property of the multilayer coating. A dense glassy oxide layer could afford the high temperature up to 2573 K and efficiently protect C/C composites from ablation. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:292 / 297
页数:6
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