Effect of water on oxidation behavior of 3-D C/SiC composites coated with SiC/a-BC

Yongsheng Liu, Litong Zhang, Laifei Cheng, Shengtian Zhou, Wenbin Yang, Weihua Zhang, Qingfeng Zeng

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The oxidation behavior of 3-D C/SiC composites coated with SiC/a-BC x /SiC coatings was investigated in wet oxygen environments. The effects of water on oxidation behaviors of the coated composites at different temperatures were discussed based on weight change, morphology change and strength change. After oxidation at 700, 1000, and 1200°C in two kinds of water atmosphere for 100 h, the high strength retained ratios of the composites with modified coatings are demonstrated, which prove the good oxidation protection of the modified coatings for 3-D C/SiC composites.

Original languageEnglish
Pages (from-to)185-196
Number of pages12
JournalAdvanced Composite Materials
Volume19
Issue number2
DOIs
StatePublished - 1 Apr 2010

Keywords

  • Boron carbide
  • C/SiC
  • Ceramic matrix composites
  • Oxidation behavior
  • Water partial pressure

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