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7 6#试样环状偏析区域与正常区域显微组织的OM像

Fig.7 OM images of the microstructures of ring segregation and normal areas in specimen 6# (a, b) microstructures with different magnifications (c) carbide morphology in normal area (d) carbide morphology in ring segregation area (e) carbide strips of ring segregation