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Anti-ablation property of MoSi2 coatings deposited by APS

  • Beijing Institute of Technology
  • General Armament Department

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

Carbon fiber reinforced carbon matrix composites (C/C) have received much attention due to their excellent high-temperature strength, high thermal conductivity, low coefficient of thermal expansion (CTE), good thermal shock resistance. However, the poor ablation resistance of the C/C restricts its high temperature ablating applications. Making a thin anti-ablation coating on the C/C has been proved to improve the performance effectively. In order to improve the anti-ablation property of the composite, MoSi2 coatings were deposited by Atmosphere Plasma Spraying(APS) on the SiC covered C/C matrix. The SiC coatings were prepared by pack cementation. Oxyacetylene flame torch was selected to simulate the ablation situation. The ablation temperature was 1800°C. XRD and SEM were employed to discover the diversification of the coatings structure and composition. And the mechanism of anti-ablation of the MoSi2 coatings system was investigated in this paper.

源语言英语
主期刊名Nano-Scale Materials, Materials Processing and Genomic Engineering
出版商Trans Tech Publications Ltd.
页522-529
页数8
ISBN(印刷版)9783038350897
DOI
出版状态已出版 - 2014
活动12th IUMRS International Conference on Advanced Materials, IUMRS-ICAM 2013 - Qingdao, 中国
期限: 22 9月 2013 → 28 9月 2013

丛书

姓名Materials Science Forum
卷789
ISSN(印刷版)0255-5476
ISSN(电子版)1662-9752

会议

会议12th IUMRS International Conference on Advanced Materials, IUMRS-ICAM 2013
国家/地区中国
市Qingdao
时期22/09/13 → 28/09/13

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