针对C/C-SiC纤维机织复合材料的特点,建立了C/C-SiC微结构有限元模型,并结合能量法研究了不同微结构关联参数对C/C-SiC机织复合材料宏观力学性能的影响.研究结果表明:本文中提出的C/C-SiC微结构有限元模型能够有效地反映C/C-SiC复合材料尺度关联参数对C/C-SiC力学性能的影响,纤维丝尺度的各个参数主要与C/C-SiC纤维束的力学性能相关联;纤维束尺度的各个参数主要与C/C-SiC宏观构件的整体性能相关联.
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