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采用化学气相浸渗法对2D C/SiC复合材料进行基体改性,制备了二维碳纤维增韧碳-碳化硅二元基复合材料(two dimensional carbon fiber reinforced C-SiC binary matrix composites,2D C/C-SiC).2D C/C-SiC复合材料的基体为热解碳和碳化硅交替叠层的多层基体.研究了2D C/C-SiC复合材料的微观结构,比较了2DC/SiC复合材料和2DC/C-SiC复合材料的力学性能及断口形貌.结果表明:2DC/C-SiC复合材料可在基本保