Journal
CORROSION SCIENCE
Volume 86, Issue -, Pages 337-342Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2014.05.009
Keywords
Ceramic matrix composites; Weight loss; Thermal cycling; Oxidation
Funding
- National Natural Science Foundation of China-China [51272213, 51221001, 51202093]
- 111 project-China [B08040]
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A C/SiC oxidation resistance coating was prepared on carbon/carbon (C/C) composites by slurry and pack cementation. The microstructure, oxidation resistance and mechanical properties of C/SiC coating prepared from 1773 to 2573 K were investigated. With the increase of the preparation temperature, the oxidation resistance of C/SiC coating increases, however, the flexure strength decreases gradually. The preparation of C/SiC coating on C/C composites results in the fracture behavior of C/C composites changing from pseudo-plastic to brittle failure model. The decrease of flexure strength is mainly attributed to the decrease of C/C matrix' flexure strength at high temperature. (C) 2014 Elsevier Ltd. All rights reserved.
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