5Lepadatr D,Hambli R,Kobi A,etal.Optimisation of Springback in Bending Processes Using FEM Simulation and Response Surface Method[J].International Journal of Advianced Manufacvured Technology,2005,27:40-47.
6肖景容 姜奎华.冲压工艺学[M].北京：机械工业出版社,1994.61-64.
7汪大年.金属塑性成形原理[M]．北京：机械工业出版社，1993．
8胡世兆.板料冷压成形原理[M]．北京：机械工业出版社，1979．
9斯德洛日夫MB，波波夫EA．金属压力加工原理[M]．北京：机械工业出版社，1984．
10ZHANG Z T,HU S J. Stress and residual stress distrlbutions in plane strain bending[J]. Int J Mesh Sei, 1998,40(2) :533 - 543
