crack initiation life meaning in English

裂缝孕育期间

Relationship between tempering temperature and crack initiation life for 40cr steel
钢低周冲击疲劳裂纹扩展行为
The fatigue crack initiation life of x60 pipeline steel after pre - tension deformation
60管线钢疲劳裂纹形成寿命的影响
Energy estimating approach of fatigue crack initiation life for welded steel structures is obtained by using molski - glinka energy density equation , introducing the worst - case fatigue notch factor , and considering the effects of residual stress on fatigue
本文采用应力应变能密度的molski - glinka方程，建立了一种预测焊接钢结构疲劳裂纹形成寿命的能量方法。该方法引入了极值疲劳切口系数，并考虑了焊接残余应力对裂纹形成寿命的影响。
3 . studying on prediction methods of the initiation life of aero - gear using shakedown analysis methods in order to directly consider in a quantitative way the details of stress - inelastic strain responses , residual stress and residual strain computations , fatigue crack initiation life was evaluated in aero - gear by using th
利用chaboche的材料模型，研究了航空齿轮韧性材料在弹、塑性安定下的轮齿接触疲劳裂纹萌生准则，该研究结果与相关的齿轮实验结果比较分析表明：塑性安定下的疲劳裂纹萌生预测方法预测航空齿轮的萌生寿命是较安全的。