3Q Li, et al.Recent development and applications of three- dimensional finite element modeling in bulk forming process[J]. Journal of Materials Processing Technology, 2001, 113(1-3): 40-45.
4J.Zhou, et al.3D FEM simulation of the whole cycle of aluminum extrusion throughout the transient state and the steady state using the updated Lagrangian approach[J]. Joumal of Materials Processing Technology, 2003, 134(3): 383-397.
5F.Chanda, J.Zhou, J.Duszczyk. FEM analysis of aluminum extrusion through square and round dies[J]. Materials and Design, 2000, 21(4): 323-335.
6X. Duan et al. Application of finite element method in the hot extrusion of aluminum alloys [J]. Materials Science and Engineering A, 2004, 369(1-2): 66-75.