1. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an, Shaanxi, People’s Republic of China
2. College of Energy Engineering, Yulin University, Yulin, Shaanxi, People’s Republic of China
3. State Key Laboratory of Solidification, Xi’an, Shaanxi, People’s Republic of China
4. Shaanxi Key Laboratory of Friction Welding Technologies, Xi’an, Shaanxi, People’s Republic of China