利用该方法预估了TC 6钛合金标准件疲劳裂纹萌生寿命，其结果与试验数据吻合。
The fatigue crack initiation life for standard titanium alloy TC6 specimens is predicted, and the result is consistent with that of the experiment.
定义裂纹深度扩展速率发生转折时对应的疲劳荷载的次数为鱼鳞伤萌生寿命。
The times of fatigue loads at turn over point is defined as the initial life of corner fine .
进一步，预估了管路连接件裂纹萌生寿命，预测了裂纹扩展路径并预估了疲劳裂纹扩展寿命。
The fatigue crack initiation life for pipeline connection assemblies is also predicted. The fatigue crack propagation path is analyzed and the fatigue crack propagation life is predicted.
疲劳断口有应力发白现象；应力发白区为疲劳裂纹形核和萌生区，其寿命占疲劳总寿命的大部分；
The stress whitening can be clearly seen on the fatigue fracture surface and its region is the initiation and nucleation of fatigue crack which is the main part of total fatigue life.
疲劳断口有应力发白现象；应力发白区为疲劳裂纹形核和萌生区，其寿命占疲劳总寿命的大部分；
The stress whitening can be clearly seen on the fatigue fracture surface and its region is the initiation and nucleation of fatigue crack which is the main part of total fatigue life.
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