为测试层板复合材料的断裂韧性,对传统的Hopkinson压杆测试系统进行了改进,建立了应力波载荷作用下材料动态断裂韧性的测试方法.该方法采用三点弯曲试样进行动态断裂试验,应用动态断裂韧性测试系统ANSYSED5.4确定动态应力强度因子的响应曲线,进而测试材料动态断裂韧性.对层板复合材料试验结果的分析表明,设计的测试装置有效,建立的测试方法是对层板复合材料断裂韧性测试的有益尝试,有较大的参考价值.
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