Preparation of anti-ablation HfC coating on C/C composite material

被引：0
|
作者：
Hou, Gen-Liang [1 ]
Su, Xun-Jia [1 ]
Wang, Yan-Bin [2 ]
Zhou, Xiao-Bo [1 ]
机构：
[1] The Second Artillery Engineering College, Xi'an 710025, China
[2] 96263 Army of PLA, Luoyang 471500, China
来源：
Hangkong Cailiao Xuebao/Journal of Aeronautical Materials | 2009年 / 29卷 / 01期
关键词：
C/C composites - Interface stress - Liquid precursors - Multi films;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Anti-ablation HfC coating was prepared by liquid precursor conversion on the C/C composite material. The solution-derived precursor was studied by FT-IR. The HfC coating was characterized by XRD, SEM and EDS. The results showed the Hf-O-Hf and Hf-O-C bonds appeared in the solution-derived precursor. The coating was conversed into the HfC coating after heat treatment at 1800C. The components of the coating were mostly HfC and HfO2. The C/C composite material was not covered with Single coating. The HfC coating was compact from multi-films. The thickness of the coating was about several tens micron. The interface was not obvious. The transition coating between body and coating can relax interface stress and improve integrate intensity.
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页码：77 / 80
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