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摘要：
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本文采用刚塑性有限元法介绍挤压模CAD数值模拟系统的功能和作用,它可对各类轴对称挤压成形工艺进行完整的模拟分析。并能预测各种挤压缺陷的产生及发展。
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基金项目：
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作者简介：
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参考文献：
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[1] S.Kobayashi, S.I.Oh and T.Altan, (1989) , Metal Forming and the Finite-Element Method ,Oxford University Press, Oxford, New York
[2] C.C.Chen, S.I.Oh and S.Kobayashi, (1979) , " Ductile Fracture in Axisymmetric Extrusion and Drawing-Part 1, Deformation Mechanics of Extrusion and Drawing", Trans, ASME, J.Eng.Ind., Vol.101, P.23
[3] S.I.Oh, C.C.Chen and S.Kobavashi, (1979) , " Ductile Fracture in Axisymmetric Extrusion and Drawing-Part 2, Workability in Extrusion and Drawing", Trans. ASME, J.Eng.Ind., Vol.101, P.36
[4] O.C.Zienkiewicz, (1984) , "Flow Formulation for Numerical Solution of Forming Processes". Numerical Analysis of Forming Processes, Edited by J.F.T.Pittman, O.C.Zienkiewicz
[5] K.Mori, K.Osakada and M.Fukuda, (1983) , "Simulation of Severe Plastic Deformation by Finite Element Method with Spatially Fixed Elements", Int.J.Mech.Sci., Vol.25, No.11, P.775
[6] A.E.Tekkaya, K.Roll et al., (1985) , "Finite-Element-Simulation of Metal Forming Processes Using Two Different Material-Laws", Simulation of Metal Forming Processes by the Finite Element Method, Springer-Verlag, P.50
[7] K.Roll, (1983) , "Rechnerunterstutzte Verfahrenssimulation in der Kaltmassivumfomung" Grundlagen der Umformtcchnik-Stand und Entwicklungstrcnds. Springcr-Verlag, P.27
[8] N.Kanetake and K.Lange, (1987) , "Metal Flow in the Rod Extrusion of Rate Sensitive Materials", Prcc. 2nd JCTP Conf., Stuttgart, P.493．
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