采用真空熔渗技术制备新型C/C-Cu复合材料.采用氧-乙炔焰测试不同时间下C/C-Cu复合材料的抗烧蚀性能,利用XRD、SEM分析材料烧蚀后的物相组成及组织形貌,对C/C-Cu复合材料的烧蚀机理进行研究.结果表明:烧蚀时间对材料的烧蚀率有显著影响,随着时间的延长,材料的质量烧蚀率和线烧蚀率均呈上升趋势;烧蚀后复合材料表面生成氧化物相TiO2和Cu2O,原来的TiC相被TiO2相替代;C/C-Cu复合材料的烧蚀性能优于C/C复合材料的烧蚀性能;C/C-Cu复合材料的氧-乙炔焰烧蚀机制为热氧化烧蚀、热物理烧蚀(升华)和机械冲刷的综合作用.
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