喷射成形工艺对M3高速钢碳化物特征及力学性能的影响

刘继浩, 迟宏宵, 武会宾, 马党参, 周健, 谷金波

Influence of Spray Forming Process on Carbide Characteristics and Mechanical Properties of M3 High-Speed Steel

LIU Jihao, CHI Hongxiao, WU Huibin, MA Dangshen, ZHOU Jian, GU Jinbo

图7 ESR-M3高速钢纵向试样冲击断口形貌的SEM像

Fig.7 SEM images of impact fracture of longitudinal ESR-M3 high-speed steel specimen (a) macro fracture morphology (b) micro fracture morphology (c) characteristics of quasi cleavage fracture morphology (d) cracks propagate along carbides (e) large scale carbide fracture