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结合图像分析技术和固体力学原理，对复合材料蠕变断裂试样进行了定量研究，解析出有效蠕变应变。结果表明，在复合材料蠕变断口部位，空洞体积分数与有效应变成指数关系，在快速蠕变阶段空洞生长由塑性变形控制．所述测试原理方法也适用于其他含有空洞材料的塑性变形研究．
Combined with image analysis technology and solid mechanics principle, the creep rupture specimen of composite material was quantitatively studied, and the effective creep strain was analyzed. The results show that the void volume fraction expresses exponential relationship with the effective strain at the creep fracture site of the composite material and the void growth is controlled by the plastic deformation at the rapid creep stage. The test principle method is also applicable to other plastic deformation studies with hollow materials.