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Microstructural study of the ablation behaviors of 3D fine weave pierced Carbon/Carbon composites using plasma torch at
A simple and effective method of testing ablation behaviors of carbon/carbon composites at high temperature was provided, which used plasma torch as the heater. The ablation resistance of 3D fine weave pierced carbon/carbon composites at high temperature was also studied. The results show that temperature of the plasma flame is very high which is much closer to the real work environment of carbon/carbon composites. The factors that affect the ablation characters of carbon/carbon composites depend on both the properties of their components and the environmental conditions in which the material is placed. The ablation behaviors of C/C composites change from the center flame region predominantly influenced by sublimation of graphite to the region close to the outer flame influenced mainly by oxidization of graphite. The sublimation ability of carbon matrix is equal to that of carbon fibers but the oxidization ability of carbon fibers is significantly enhanced compared to that of carbon matrix.
作 者： ZHANG Wei HAN Jie-cai ZHANG Bo-ming MENG Song-he 作者单位： Center for Composite Materials, Harbin Institute of Technology, Harbin 150001 ,China 刊 名： 哈尔滨工业大学学报（英文版） EI 英文刊名： JOURNAL OF HARBIN INSTITUTE OF TECHNOLOGY(NEW SERIES) 年，卷(期)： 2006 13(1) 分类号： V258.3 关键词： carbon/carbon composites ablation plasma【Microstructural study of the ablatio】相关文章：
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