Journal
CERAMICS INTERNATIONAL
Volume 42, Issue 1, Pages 270-278Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.08.105
Keywords
Carbon/carbon composites; Coating; Oxidation; Ablation
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Funding
- National Natural Science Foundation of China [51402238]
- 111 Project [B08040]
- Fundamental Research Funds for the Central Universities [3102015ZY034]
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To protect carbon/carbon composites against oxidation and ablation, a Fe2O3 modified ZrB2-SiC-Si coating was prepared by a two-step pack cementation. The microstructure, oxidation and ablation resistance of the Fe2O3 modified ZrB2-SiC-Si coating were studied. The results showed that the Fe2O3 modified ZrB2-SiC-Si coating had good oxidation and ablation resistance, and could effectively protect the carbon/carbon composites from oxidation at 1773 K for 150 h and ablation at 2573 K for 60 s. The excellent oxidation and ablation resistance of the coating were mainly attributed to its dense and large amount of ZrB2 in the coating. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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