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.
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.
本文利用示波冲击试验，对船用921 A钢动态断裂韧性的测试方法进行了研究。
In this paper, the dynamic fracture toughness measuring method for 921a shipbuilding steel is studied by instrumented Charpy impact test.
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