Towards Friction Stir Remanufacturing of High-Strength Aluminum Components

Xiangchen Meng, Yuming Xie, Xiaotian Ma, Mingyang Liang, Xiaoyang Peng, Shiwei Han, Lei Kan, Xin Wang, Sihao Chen, Yongxian Huang

Fig. 4 Surface morphology: a keyhole defect, b repaired joint