从选材角度对比分析了几种铝合金的动态断裂韧性及裂纹扩展阻力。
From the view point of material selection, we analyzed their dynamic fracture toughness and crack propagation resistance.
塑性动态断裂韧性CTOD，及其在不同裂纹扩展速度下变化规律的测试。
The dynamic plastic fracture toughness CTOD and its variation with different. crack propagation speeds.
通过热激活分析，可以获得定量描述动态断裂韧性、温度及加载速率之间的关系。
A quantitative relationship between dynamic fracture toughness and temperature and loading rate has been obtained through thermal activation analysis.
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