1. Joining and Welding Research Institute (JWRI), Osaka University, Osaka, Japan
2. Department of Mechanical Engineering, Tsinghua University, Beijing, People’s Republic of China
3. The State Key Laboratory of Tribology, Department of Mechanical Engineering, Tsinghua University, Beijing, People’s Republic of China
4. Key Laboratory for Advanced Materials Processing Technology Ministry of Education of China, Tsinghua University, Beijing, People’s Republic of China
5. School of materials science and engineering, Zhengzhou University, Zhengzhou, People’s Republic of China