Particula emphasis has been devoted to the influence of load ratio and microstructure on behaviour of near-thresholdfatigue crack growth.
着重分析了载荷比和显微结构对门坎值附近裂纹扩展行为的影响。
2
Based on the features of the three-dimensional crack, an experimental method was presented to measure the near-thresholdfatigue crack growth rate and threshold of the corner crack at a hole.
基于三维裂纹特征，本文提出了一种测量孔边角裂纹近门槛区疲劳裂纹扩展速率及门槛值的实验方法。
3
Effect of experimental parameters on small fatigue crack growth threshold test in 9310 steel was investigated.