1. School of Material Science and Engineering, Dalian Jiaotong University, Dalian, People’s Republic of China
2. National and local joint engineering center of rail transit equipment design and manufacturing technology, Dalian Jiaotong University, Dalian, People’s Republic of China
3. Key Laboratory of Critical Materials of Rail Transportation in Liaoning Province, Dalian Jiaotong University, Dalian, People’s Republic of China