离子渗氮后的扩散处理对7Cr7Mo2V2Si冷作模具钢性能的影响

于兴福, 西克宇, 张宏伟, 王全振, 郝天赐, 郑冬月, 苏勇

Effect of Post-diffusion Treatment on Microstructure and Properties of Plasma Nitriding 7Cr7Mo2V2Si Cold Work Mold Steel

YU Xingfu, XI Keyu, ZHANG Hongwei, WANG Quanzhen, HAO Tianci, ZHENG Dongyue, SU Yong

图1 7Cr7Mo2V2Si钢的微观组织

Fig.1 Microstructure of 7Cr7Mo2V2Si Steel (a) after quenching; (b) after tempering