V和Si对珠光体车轮钢显微组织和力学性能的影响规律*
左越, 周世同, 李昭东, 潘涛, 项金钟, 雍岐龙

Effect of V and Si on Microstructure and Mechanical Properties of Medium-carbon Pearlitic Steels for Wheel
ZUO Yue, ZHOU Shitong, LI Zhaodong, PAN Tao, XIANG Jinzhong, YONG Qilong
表1 实验钢化学成分
Table 1 Composition of studied steels (%, mass fraction)
No. C Si Mn P S Cr V Als N
1#(0.88Si-0.03V) 0.54 0.88 0.78 0.0079 0.0077 0.17 0.030 0.020 0.0014
2#(0.89Si-0.074V) 0.55 0.89 0.78 0.0068 0.0067 0.16 0.074 0.020 0.0018
3#(0.87Si-0.12V) 0.54 0.87 0.78 0.0072 0.0078 0.18 0.120 0.021 0.0016
4#(0.32Si-0.075V) 0.53 0.32 0.77 0.0068 0.0083 0.16 0.075 0.016 0.0010