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监测了紧凑拉伸试样对冲击楔型销钉加载的响应。确定了摩擦力对测定销钉载荷的影响和缺口几何对建立试样中准静态平衡的影响,并讨论了动态断裂韧性测试方法的有效性。
The response of the compact tensile specimen to impact wedge pin loading was monitored. The influence of the friction on the test pin load and the effect of the notch geometry on the quasi-static balance in the sample were determined. The validity of the dynamic fracture toughness test method was discussed.