期刊
CERAMICS INTERNATIONAL
卷 41, 期 10, 页码 14579-14584出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2015.07.175
关键词
C/C composites; Ablation resistance; SiC nanowires; ZrB2-SiC coating
资金
- National Natural Science Foundation of China [51272213, 51221001, 51202093]
- 111 project [B08040]
- Research Fund of the State Key Laboratory of Solidification Processing (NWPU), China [73-QP-2010]
To improve the ablation resistance of carbon/carbon (C/C) composites, a SiC nanowire toughened ZrB2-SiC multiphase coating was prepared by a three-step technique including pack cementation, chemical vapor deposition (CVD), and supersonic atmosphere plasma spray (SAPS). The SiC nanowires helped improve the toughness of the ceramic coating. After ablation for 60 s under the heat flux of 4800 kW/m(2), the linear and mass ablation rates of ZrB2-SiC coating decreased from 4.9 mu m/s and 2.3 x 10(-3) g/s to 2.8 mu m/s and 1.4 x 10(-3) g/s after introducing SiC nanowires, respectively. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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