期刊
CORROSION SCIENCE
卷 178, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2020.109068
关键词
Ceramic; SEM; Weight loss; High temperature corrosion; Interfaces
资金
- National Research Foundation of Korea [NRF-2017M1A3A3A03016311]
- Korea Basic Science Institute (National research Facilities and Equipment Center) - Ministry of Education [2019R1A6C1030013]
- National Research Foundation of Korea [2017M1A3A3A03016311, 2019R1A6C1030013] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A multilayer coating of hafnium carbide and titanium carbide was fabricated on SiC-coated carbon/carbon (C/C) composite using a vacuum plasma spraying (VPS) system. The analysis of microstructure, composition, adhesion strength, and ablation performance confirmed that the HfC/TiC multilayer coating can effectively protect the carbon composite material.
A multilayer coating of hafnium carbide and titanium carbide was fabricated on SiC-coated carbon/carbon(C/C) composite using a vacuum plasma spraying (VPS) system. The microstructure, composition, adhesion strength and ablation performance of the HfC/TiC multilayer coating were analyzed. Cracks and delamination were not observed at the interfaces. Moreover, oxidized layers or impurities were not observed in the coated layer. The adhesive strength was superior to the HfC single layer coating. After the ablation experiment, based on the mass removal rate, surface temperature, microstructure, and compositional analysis, it was confirmed that the HfC/TiC multilayer coating can effectively protect the carbon composite material.
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