1. Shandong Provincial Key Laboratory of Special Welding Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
2. State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
3. Tianjin Aerospace Long March Rocket Manufacturing Co., Ltd, Tianjin 300462, China
4. Bombardier-Sifang Transportation Ltd., Qingdao 266111, China