The high stressconcentrationeffect of notch can accelerate the process of fatigue crack nucleation in the notch specimen.
缺口试样在缺口的高应力集中效应下,加快疲劳裂纹形核过程。
2
Then the effect of StressConcentration and the Stress Gradient were introduced into the prediction of fatigue life through Correction Coefficient of Stress with the wider suitable life scope.