[1]Schmidt R A, Birzer F, Hoefel P, et al. Cold forming and fineblanking, a handbook on cold processing, material properties, component design [M].Munchen Wien: Carl Hanser Verlag, 2006: 65117.[2]Zheng P F, Chan L C, Lee T C. Finiteelement analysis of a combined fineblanking and extrusion process[J]. International Journal for Numerical Methods in Engineering, 2006, 66(3): 404 430.[3]Chen Z H, Tang C Y, Chan L C, et al. Simulation of the sheet metal extrusion process by the enhanced assumed strain finite element method[J]. Journal of Materials Processing Technology, 1999, 91(13): 250256.[4]Zhuang X C, Zhao Z, Xiang H, et al. Simulation of sheet metal extrusion processes with Arbitrary LagrangianEulerian method[J]. Transactions of Nonferrous Metals Society of China, 2008, 18(5):11721176.[5]庄新村. 基于ALE有限元的中厚板挤压成形数值模拟及成形机理研究[D]. 上海:上海交通大学材料科学与工程学院,2008.[6]李宏烨. 中厚板材料流动应力模型研究以及在精冲成形模拟中的应用[D]. 上海:上海交通大学材料科学与工程学院, 2009.[7]Lin H S, Lee C Y, Wu C H. Hole flanging with cold extrusion on sheet metals by FE simulation[J]. International Journal of Machine Tools and Manufacture, 2007, 47(1): 168174.[8]Cao C H, Hua L, Liu S L. Flange forming with combined blanking and extrusion process on sheet metals by FEM and experiments[J]. International Journal of Advanced Manufacturing Technology, 2009, 45(34): 234244. |