Department of Plasticity Technology;
School of Materials Science and Engineering;
Shanghai Jiao Tong University;
Shanghai;
200030;
China;
State Key Laboratory of Solidification Processing;
Northwestern Polytechnical University;
Xi’an;
710072;
China;
Hydrogen embrittlement; Stacking fault; Dislocation movement; High-manganese steel; Electron channeling contrast imaging(ECCI);