YANG Yang1, HE Guo-qiu1, LU Qi1, FAN Kang-le1，SHE Meng1, LIU Bing1, ZHU Min-hao2
（1. School of Materials Science and Engineering, Tongji University, Shanghai Key Laboratory for R&D and Application of Metallic Functional Materials, Shanghai 201804，China 2. Nation Traction Power Laboratory, Southwest Jiaotong University, Chengdu 610031, Sichuan，China）
Abstract：Uniaxial fretting fatigue properties of 35CrMoA was investigated by the means of plane to plane contact. The microstructures were observed by canning electronic microscope (SEM). Dislocation structure at the contact area was observed by transmission electron microscopy (TEM).The results indicate that with the increase of stress amplitude, the fretting fatigue life is reduced, and the range is smaller. Fretting wear may accelerate microcrack initiation, and also may delay the microcrack propagation. With the increase of axial stress amplitude, the size of dislocation cell is bigger, and the trend of polygons is more obvious. Contact compressive stress and axial cyclic stress provides the conditions for dislocation slip shear.
杨洋，何国球，卢棋，樊康乐，佘萌，刘兵，朱旻昊. 轮轴钢35CrMoA单轴微动疲劳失效机理[J]. , 2015, 22(1): 21-26.
YANG Yang, HE Guo-qiu, LU Qi, FAN Kang-le，SHE Meng, LIU Bing, ZHU Min-hao. Uniaxial fretting fatigue properties of 35CrMoA. , 2015, 22(1): 21-26.
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2015, Vol. 22 
