稀土Ce对渗碳齿轮钢摩擦磨损性能的影响

何一梅, 付志豪, 杨超云, 刘航, 刘朋, 李星, 石帅, 赵燕青, 栾义坤, 李殿中

Effect of Rare Earth Ce Addition on Friction and Wear Property of Carburized Gear Steel 18CrNiMo7-6

HE Yimei, FU Zhihao, YANG Chaoyun, LIU Hang, LIU Peng, LI Xing, SHI Shuai, ZHAO Yanqing, LUAN Yikun, LI Dianzhong

表1 实验钢的化学成分

Table 1 Chemical compositions of experimental steels (mass fraction, %)

Samples C Cr Ni Mo Si Mn P S O Ce Fe 0RE 0.18 1.69 1.60 0.29 0.32 0.74 0.003 0.0016 0.0007 0 Bal. 78RE 0.17 1.71 1.60 0.29 0.32 0.73 0.003 0.0015 0.0007 0.0078 Bal. 126RE 0.18 1.70 1.60 0.29 0.32 0.74 0.003 0.0013 0.0008 0.0126 Bal.