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6 淬回火温度不同的钢的硬度变化

Fig.6 Hardness change curve of steel heat treated at different quenching and tempering temperatures