高速列车车轴DZ2钢的强韧性关系和低温脆性
刘硕, 张鹏, 王斌, 汪开忠, 许自宽, 胡芳忠, 段启强, 张哲峰

Investigations on Strength-Toughness Relationship and Low Temperature Brittleness of High-speed Railway Axle Steel DZ2
LIU Shuo, ZHANG Peng, WANG Bin, WANG Kaizhong, XU Zikuan, HU Fangzhong, DUAN Qiqiang, ZHANG Zhefeng
图1 DZ2钢在不同温度回火后的金相组织
Fig.1 Metallographic structure of DZ2 steel tempering at different tempering temperatures (a) 430oC; (b) 500oC; (c) 560oC; (d) 630oC; (e) 700oC