Journal
CORROSION SCIENCE
Volume 111, Issue -, Pages 259-266Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2016.05.013
Keywords
Ceramic matrix composites; Weight loss; High temperature corrosion
Funding
- National Natural Science Foundation of China [51221001, 51572223, 51222207]
- Research Fund of State Key Laboratory of Solidification Processing (NWPU), China [12-BZ-2014]
- 111 Project [B08040]
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To enhance the oxidation resistance of SiC-MoSi2-ZrB2 coating for C/C composites, pre-oxidation treatment and chemical vapor deposition were applied to construct a SiC nanowire-toughened inlaid transition layer between C/C and SiC-MoSi2-ZrB2 coating. The results show that the coating prepared with pre-oxidation and SiC nanowires has better oxidation resistance, which can protect C/C for 124 h at 1773 K in air with the weight loss per unit area of 1.1 mg cm(-2). The synergistic effect of the inlaid structure of the transition layer and SiC nanowires plays positive role on alleviating the mismatch of thermal expansion coefficient between C/C and SiC-MoSi2-ZrB2 coating. (C) 2016 Elsevier Ltd. All rights reserved.
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