稀土Ce对非调质钢中硫化物特征及微观组织的影响
刘洁, 徐乐, 史超, 杨少朋, 何肖飞, 王毛球, 时捷

Effect of Rare Earth Ce on Sulfide Characteristics and Microstructure in Non-Quenched and Tempered Steel
LIU Jie, XU Le, SHI Chao, YANG Shaopeng, HE Xiaofei, WANG Maoqiu, SHI Jie
图3 夹杂物显微组织的OM像
(a) R0 (b) R1 (c) R2 (d) R3
Fig.3 OM images of microstructures of inclusions