C/C composites with refractory metal compounds were prepared by liquid impregnation, the distribution state of refractory metal grain was observed by optical microscope and surface scan.

利用液相浸渍法制备了含有难熔金属化合物的C/C复合材料，通过金相显微镜、面扫描观察了难熔金属颗粒在材料中的分散状态；

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C/C composites with refractory metal compounds were prepared by liquid impregnation, the distribution state of refractory metal grain was observed by optical microscope and surface scan.

利用液相浸渍法制备了含有难熔金属化合物的C/C复合材料，通过金相显微镜、面扫描观察了难熔金属颗粒在材料中的分散状态；

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