粗糙表面高强铝合金导线疲劳寿命预测

宋文硕, 宋竹满, 罗雪梅, 张广平, 张滨

Fatigue Life Prediction of High Strength Aluminum Alloy Conductor Wires with Rough Surface

SONG Wenshuo, SONG Zhuman, LUO Xuemei, ZHANG Guangping, ZHANG Bin

图8 不同粗糙度时缺口处的应力分布和等效缺口示意图

Fig.8 Stress distributions at the notch with Rz = 57.9 μm (a), Rz = 104.0 μm (b), Rz= 148.9 μm (c), Rz= 161.7 μm (d), and schematic illustration of equivalent notch (e) (L is the average value of the average width of profile element)