期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 662, 期 -, 页码 302-307出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2015.12.011
关键词
Car/carbon composites; Coating; Oxidation; Ablation
资金
- National Natural Science Foundation of China [51402238]
- 111 Project [B08040]
- Fundamental Research Funds for the Central Universities [3102015ZY034]
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.
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