采用三相同轴柱壳剪切滞后模型,分析含有界面层的碳纳米管复合材料中的应力场、饱和应力和应力传递效率以及碳纳米管的有效长度.碳纳米管复合材料的界面层厚度与碳纳米管直径尺度(0.1～100 nm)相当,在进行应力分析时应该考虑界面层的影响.分析表明:界面层的存在以及其厚度的增大都明显地降低应力传递效率和纤维的饱和应力,但增大了碳纳米管纤维的有效长度.此外碳纳米管的长径比较小时,对应力传递效率和碳纳米管有效长度均有较明显的影响.
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