Meanwhile, the influences of pipeline internal pressure, wall thickness, crack arrest length and initial crack velocity on the crack driving force (crack propagation) are further studied.
进而分析了管道内压、壁厚、裂纹止裂长度和初始裂纹速度对裂纹驱动力(也即裂纹扩展)的影响。
The fatigue properties were researched and found that the crack propagation velocity and the decline of rigidity were related to the maximum cycle stress.
通过对其疲劳性能的实验研究，发现裂纹扩展速率的大小及刚度的下降与加载的最大循环应力密切相关的规律。
The average fracture propagation velocity is estimated with a series of crack gauges glued on the specimen.
裂纹传播平均速度由黏接在试样上的一系列裂缝计测量得到。
The average fracture propagation velocity is estimated with a series of crack gauges glued on the specimen.
裂纹传播平均速度由黏接在试样上的一系列裂缝计测量得到。
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