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921A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.
利用柔度变化率方法确定起裂时间，分别得到在两种加载速率下CFRP、GFRP层板的动态断裂韧性。
With the compliance changing rate method, the crack initiation time and the dynamic fracture toughness of CFRP and GFRP laminates were obtained at two kinds of strain rates separately.
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.
按照国际岩石力学学会试验规范，对不同赋存深度的玄武岩岩样进行了动态断裂韧性测试。
According to the standard testing method of ISRM, the dynamic fracture toughness for the basalt samples in different depth has been measured.
测试了五组陶瓷的动态断裂韧性，所测断裂韧性的动态结果是静态结果的1.08 ~ 2.83倍。
The dynamic fracture toughness of five groups ceramic were tested and the obtained results are 1.08-2.83 times of static results.
在抗张强度没有明显降低的条件下，新创立的双时效比正常时效的冲击疲劳寿命与动态断裂韧性分别延长和提高了35 。
By our new way of double aging, on which we have done research since 2002, the impact fatigue life can be prolonged by 35.
在抗张强度没有明显降低的条件下，新创立的双时效比正常时效的冲击疲劳寿命与动态断裂韧性分别延长和提高了35 。
By our new way of double aging, on which we have done research since 2002, the impact fatigue life can be prolonged by 35.
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