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- Title
EVALUATING THE DURABILITY OF SIC-COATED CARBON COMPOSITES UNDER THERMAL SHOCK CONDITIONS.
- Authors
JI EUN LEE; SOO BIN BAE; NAM CHOON CHO; HYUNG IK LEE; ZICHENG MENG; KEE SUNG LEE
- Abstract
Oxidation and indentation properties of silicon carbide-coated carbon composites were investigated to analyze its durability under atmospheric thermal shock conditions. The silicon carbide-coated samples were prepared either with chemical vapor deposition or chemical vapor reaction/chemical vapor deposition hybrid coating. The remnant weight of uncoated and coated samples was investigated after each thermal shock cycle. The surface and cross-section of coated samples were then analyzed to confirm morphological changes of the coating layers. The spherical indentation test for uncoated and coated samples were also performed. As a result, silicon carbide coating improved the oxidation resistance, elastic modulus, and hardness of carbon composites. Hybrid coating drastically enhanced the durability of samples at high temperature in atmospheric conditions.
- Subjects
THERMAL shock; CARBON composites; CHEMICAL vapor deposition; DURABILITY; CHEMICAL reactions; ELASTIC modulus
- Publication
Archives of Metallurgy & Materials, 2021, Vol 66, Issue 3, p777
- ISSN
1733-3490
- Publication type
Article
- DOI
10.24425/amm.2021.136379