喷射成形M3高速钢偏析成因及凝固机理

刘继浩, 周健, 武会宾, 马党参, 徐辉霞, 马志俊

Segregation and Solidification Mechanism in Spray-Formed M3 High-Speed Steel

LIU Jihao, ZHOU Jian, WU Huibin, MA Dangshen, XU Huixia, MA Zhijun

图9 5#锭型偏析试样及4#心部试样的显微组织

Fig.9 Microstructures of ingot segregation (specimen 5#) (a-e) and central area (specimen 4#) (f, g) (a, b) microstructures of specimen 5# with different magnifications (c) carbide morphology in normal area of specimen 5# (d) carbide morphology in ingot segregation of specimen 5# (e) SEM image of fishbone-like shape carbide of specimen 5# (f) carbide morphology in central area of specimen 4# (g) SEM image of massive-like shape carbide in central area of specimen 4#