M50钢中 M2C一次碳化物高温转变机制
马芳, 陆星宇, 周丽娜, 杜宁宇, 类承帅, 刘宏伟, 李殿中

High-Temperature Decomposition Mechanism of M2C Primary Carbide in M50 Steel
MA Fang, LU Xingyu, ZHOU Lina, DU Ningyu, LEI Chengshuai, LIU Hongwei, LI Dianzhong
图8 经1210℃保温20 h高温扩散处理后M50钢微观组织的SEM-BSE像
Fig.8 SEM-BSE images of the microstructure of M50 steel after heat-treating at 1210oC for 20 h
(a) macroscopic morphology of the microstructure
(b, c) large sized MC carbides
(d) the growth of MC carbide