分级固溶处理对8Cr4Mo4V钢的微观组织和硬度的影响

于兴福, 王士杰, 郑冬月, 王全振, 苏勇, 赵文增, 邢飞

Effect of Graded Solution Treatments on Microstructure and Hardness of 8Cr4Mo4V Steel

YU Xingfu, WANG Shijie, ZHENG Dongyue, WANG Quanzhen, SU Yong, ZHAO Wenzeng, XING Fei

图9 未溶碳化物的体积分数和平均晶粒尺寸随二级固溶温度的变化

Fig.9 Variation of volume fraction of undissolved carbides and average grain size with secondary solution temperature