材料科学
复合材料
碳化硅
陶瓷
陶瓷基复合材料
涂层
热冲击
纳米线
热导率
纳米技术
作者
Junjie Qian,Anze Shui,Boxue Du,Chao He,Mei Cai,Xinrong Zhong
标识
DOI:10.1016/j.ceramint.2022.03.236
摘要
Continuous carbon fiber (CF) reinforced ceramic composites have been extensively studied owing to their excellent resistance to thermal shock, low density, and low thermal conductivity. However, the weak oxidation resistance of these composites has considerably limited their applications in some aerobic environments. Herein, high-emissivity silicon-carbide (SiC)-based ceramic coating was fabricated on SiOC/CF matrix using a facile vacuum impregnation technology and brush method. The coating reinforced with in-situ grown SiC nanowires could protect the SiOC/CF matrix, and the CFs were not oxidized after 60 min oxidation at 1500 °C.
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