A factor of friction power is considered during fatigue,and a new model for predicting fretting fatigue life under low cycle load is presented based on a nominal stress method.

• 在低周疲劳寿命预测方法中,通过引入摩擦功因子,考虑微动作用对构件疲劳寿命的影响,对传统的名义应力法进行改进,以用于构件的低周疲劳寿命预测。