School of Materials Sci. & Eng.;
Harbin Institute of Technology;
Harbin 150001;
China School of Materials Sci. & Eng.;
Harbin Institute of Technology;
Harbin 150001;
China School of Materials Sci. & Eng.;
Harbin Institute of Technology;
Harbin 150001;
China School of Materials Sci. & Eng.;
Harbin Institute of Technology;
Harbin 150001;
China;
Sheet; metal; forming; Ductile; fracture; criterion; FEM; Forming; limit;