超细晶纯钛疲劳裂纹的扩展行为
刘晓燕(), 柳奎君, 杨西荣, 王敬忠, 罗雷
Fatigue Crack Propagation Behavior of Ultrafine Grained Pure Titanium
LIU Xiaoyan(), LIU Kuijun, YANG Xirong, WANG Jingzhong, LUO Lei

图4. 超细晶纯钛的宏观扩展路径和宏观断口

Fig.4. Extended path and macroscopic fracture of UFG pure titanium (a) crack path; (b) macro fracture surface