GCr15钢滚动轴承疲劳剥落失效过程中一种针状相的形成

程胜, 孙阳, 赵文辉, 栾义坤, 郑成武, 李殿中

Formation of a Needle-Like Structure when Surface Flaking Occurs During the Rolling Contact Fatigue of a GCr15 Bearing

CHENG Sheng, SUN Yang, ZHAO Wenhui, LUAN Yikun, ZHENG Chengwu, LI Dianzhong

图1 GCr15钢失效轴承滚道接触表面及横截面疲劳剥落的形貌

Fig.1 Failure morphologies of fatigue flaking on GCr15 bearing raceway surface and circumferential section (a) OM image of the flaking (b) corresponding SEM image on the surface (c) SEM image of the flaking in the circumferential section