高温回火对低碳中锰钢微观组织和力学性能的影响
展之德, 刘琪琪, 董敬文, 祁震, 罗小兵, 柴锋, 师仲然

Effect of Tempering Temperatures on Microstructure and Mechanical Property of a Test Low-carbon Medium-manganese Steel
ZHAN Zhide, LIU Qiqi, DONG Jingwen, QI Zhen, LUO Xiaobing, CHAI Feng, SHI Zhongran
图4 在不同温度回火的4Mn钢的TEM照片
Fig.4 TEM images of 4Mn steel (a, d) 600 oC, (b, e) 640 oC, (c, f) 670 oC