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4 8Cr4Mo4V钢真空淬火与回火后的微观组织

Fig.4 Microstructure of 8Cr4Mo4V steel after vacuum quenching and tempering (a) quenched microstructure; (b) tempered microstructure