喷射成形M3高速钢热处理过程中组织的演变和硬度偏低问题

刘继浩, 迟宏宵, 武会宾, 马党参, 周健, 徐辉霞

Heat Treatment Related Microstructure Evolution and Low Hardness Issue of Spray Forming M3 High Speed Steel

LIU Jihao, CHI Hongxiao, WU Huibin, MA Dangshen, ZHOU Jian, XU Huixia

图1 喷射成形M3高速钢边部的组织

Fig.1 Edge microstructure of SF M3 high speed steel (a) OM image; (b) SEM image