稀土元素对低碳钢中奥氏体-铁素体相变动力学的影响

郭飞, 郑成武, 王培, 李殿中

Effect of Rare Earth Elements on Austenite-Ferrite Phase Transformation Kinetics of Low Carbon Steels

GUO Fei, ZHENG Chengwu, WANG Pei, LI Dianzhong

图6 等温相变不同时间后试样的显微组织

Fig.6 Microstructure of Fe-C-Si-Mn sample after isothermal transformation for 10 min (a)，Fe-C-Si-Mn-RE sample after isothermal transformation for 10 min (b)，Fe-C-Si-Mn sample after isothermal transformation for 30 min (c) and Fe-C-Si-Mn-RE sample after isothermal transformation for 30 min (d)