State Key Laboratory of Powder Metallurgy;
Central South University;
Changsha;
410083;
China;
School of Physics and Information Technology;
Shaanxi Normal University;
Xi’an;
710119;
China;
Materials Fatigue and Fracture Division;
Institute of Metal Research;
Chinese Academy of Sciences;
Shenyang;
110016;
China;
Institute for Materials Microstructure;
Central South University;
Changsha;
410083;
China;
High angle annular dark field(HAADF); Defects; Stacking faults; Strain;