研究了含二相粒子聚合物材料中粒子界面脱粘问题.首先提出了三维应力状态下具有非线性粘性效应的聚合物基体材料的本构关系;其次,对无限大聚合物基体中粒子-基体界面脱粘问题进行了分析,导出了求解界面脱粘临界时间的方程,并且给出了常应变条件下界面脱粘时间表达式;最后通过数值计算,讨论了界面脱粘临界时间的影响因素.计算结果表明:粒子尺度、加载速率、界面粘结能和非线性粘性参数对界面脱粘时间有重要的影响.
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