Oxidation and ablation resistance of the ZrB2-CrSi2-Si/SiC coating for C/C composites at high temperature

被引：77
作者：
Feng, Tao [1 ,2 ]
Li, Hejun [1 ]
Hu, Manhong [1 ]
Lin, Hongjiao [1 ]
Li, Lu [1 ]
机构：
[1] Northwestern Polytech Univ, C C Composites Technol Res Ctr, Xian 710072, Shaanxi, Peoples R China
[2] Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710072, Shaanxi, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2016年 / 662卷
基金：
中国国家自然科学基金;
关键词：
Car/carbon composites; Coating; Oxidation; Ablation; COATED CARBON/CARBON COMPOSITES; CARBON-CARBON COMPOSITES; EROSION RESISTANCE; WIND-TUNNEL; 1873; K; BEHAVIOR; PROTECTION;
D O I：
10.1016/j.jallcom.2015.12.011
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：
To protect carbon/carbon (C/C) composites from oxidation and ablation at high temperatures, a ZrB2-CrSi2-Si/SiC coating was prepared on the surface of C/C composites by two-step pack cementation method. The microstructure, oxidation and ablation resistance of the ZrB2-CrSi2-Si/SiC coating were studied. The results show that the coating could effectively protect the C/C composites from oxidation at 1773 K for 310 h and from ablation at 2573 K for 90 s. The oxidation and ablation resistance of the coating was mainly attributed to the good protection of the compound glass. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：302 / 307
页数：6
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