1. Collaborative Innovation Center of NPU, Shanghai, People’s Republic of China
2. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi'an, People’s Republic of China
3. Center of Advanced Lubrication and Seal Materials, Northwestern Polytechnical University, Xi'an, People’s Republic of China
4. Institute of Superconducting Materials and Applied Technology, Northwestern Polytechnical University, Xi'an, People’s Republic of China