疲劳裂纹扩展寿命 fatigue propagation life of crack ; fatigue crack propagation life ; fatigue crack growth life ; fatigue crack grown life
疲劳裂纹萌生寿命 fatigue crack initiation life
接触疲劳裂纹萌生寿命 contact fatigue crack initiation life
结构疲劳裂纹扩展寿命 life of fatigue crack growth
疲劳裂纹起始寿命概率分布 probability distribution of fatigue life
疲劳寿命-裂纹扩展 fatigue life-crack propagation
Fracture mechanics is adopted to estimate the fatigue life of structural members, and among the rest, crack growth rate formula is studied.
本文采用断裂力学方法来估算结构构件的疲劳寿命，这其中主要围绕裂纹扩展速率表达式展开研究。
The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses were given out.
给出了高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses have been presented.
给出高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
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