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7 低温冲击功下降率与回火温度的关系

Fig.7 Relationship between the impact energy decrease percentage of low-temperature and tempering temperature