1. College of Mechatronics & Automotive Engineering, Chongqing Jiaotong University, No. 66 Xuefu Road, Nan’an District, Chongqing 400074, China
2. State Key Laboratory of Advanced Welding and Joining (AWJ), Harbin Institute of Technology, 92 West Dazhi Street, Nan Gang District, Harbin 150001, China
3. Joining and Welding Research Institute, Osaka University, 11-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan