CNT-PyC-SiC/SiC double-layer oxidation-protection coating on C/C composite |
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| Authors: | Guo-Bin Zheng Hironori Mizuki Hideaki Sano Yasuo Uchiyama |
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| Affiliation: | Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University, Bunkyo machi 1-14, Nagasaki 852-8521, Japan |
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| Abstract: | CNT-PyC-SiC/SiC double-layer coatings were prepared by growth of CNTs on C/C followed by pyrolytic carbon deposition and SiC deposition. The microstructure and the oxidation behavior of the coatings were investigated. With increasing PyC amount in the coating, the coating showed fewer cracks and a higher oxidation resistance and thermal shock resistance. CNT-PyC played a role in improving the bonding strength between C/C and coatings, alleviating stress in SiC coating and decreasing the cracks. |
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