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5 针状相内部微观结构的TEM分析

Fig.5 Low (a) and locally high (b) TEM bright-field images of the needle-like structure; HRTEM images of the microstructures in the areas I (c), II (d), and III (e) shown in Fig.5b (The dashed line in Fig.5a indicates the interface between the needle-like structure and martensite matrix, insets in Figs.5c-e show the corresponding fast Fourier transform (FFT) diffractograms of the selected areas inside the dashed squares)