对50CrVA高强弹簧钢超高周疲劳损伤机制的影响*

周蒙蛟,王弘,汪奔

Ultrahigh Cycle Fatigue Damage Mechanisms of High Strength 50CrVA Spring Steel Regulated by Heat Treatment Process

Mengjiao ZHOU,Hong WANG,Ben WANG

图1 超声疲劳实验所用样品尺寸

Fig.1 Dimensionof specimens tested by ultrasonic fatigue system (Unit: mm)