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Oxidation kinetics of the AlPO4 ceramic coatings by pulse arc discharge deposition on SiC-C/C composites

  • Jianfeng Huang
  • , Wei Hao
  • , Hejun Li
  • , Qiangang Fu
  • , Liyun Cao
  • , Yongliang Zhang
  • , Cuiyan Li
  • , Lixiong Yin
  • , Haibo Ouyang
  • Northwestern Polytechnical University Xian
  • Shaanxi University of Science and Technology

科研成果: 期刊稿件文章同行评审

9 引用 (Scopus)

摘要

An AlPO4 oxidation-protective coating was successfully prepared on SiC pre-coated carbon/carbon composites (SiC-C/C) by pulse arc discharge deposition. The structure and oxidation resistance of the as-prepared AlPO4/SiC multilayer coatings were investigated. The results were confirmed by oxidation experiments performed at 1573 K, 1673 K and 1773 K, which demonstrated that the AlPO4/SiC coating could efficiently protect C/C composites from oxidation at 1773 K for 160 h with a weight loss of only 0.7%. The oxidation activation energy of the coated C/C composites at 1573-1773 K was calculated to be 119.2 kJ mol-1.

源语言英语
页(从-至)25-28
页数4
期刊Vacuum
112
DOI
出版状态已出版 - 2月 2015

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