真空分级淬火对8Cr4Mo4V钢组织和性能的影响

于兴福, 王盛宇, 王宇蓬, 杨树新, 杨宇, 苏勇, 冯小川

Effect of Vacuum Graded Quenching on Microstructure and Mechanical Properties of 8Cr4Mo4V Steel

YU Xingfu, WANG Shengyu, WANG Yupeng, YANG Shuxin, YANG Yu, SU Yong, FENG Xiaochuan

图2 冲击试样和旋转弯曲疲劳试样的尺寸

Fig.2 Dimensions of impact specimen and rotational bending fatigue specimen (a) impact specimen; (b) rotational bending fatigue specimen (unit: mm)