School of Material Science and Engineering;
Dalian Jiaotong University;
Dalian;
China;
Key Laboratory of Critical Materials of Rail Transportation in Liaoning Province;
Dalian Jiaotong University;
Dalian;
China;
National and Local Joint Engineering Center of Rail Transit Equipment Design and Manufacturing Technology;
Dalian Jiao-tong;
D2; Wheel; Steel; Sliding; Wear; Surface; Microstructure; White; Etching; Layer;