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中文摘要: 根据有限变形刚粘塑性有限元理论，基于DEFORM-3D软件平台，对接触线在模腔中扩展挤压成形过程进行了三维有限元数值模拟，获得了扩展挤压成形过程的应力场、应变场、温度场和速度场分布，并揭示了金属流动规律，从而为模具设计提供理论依据。
Abstract:According to the finite deforming rigid-viscidity plasticity FEM theory, the 3D-FEM mathematical simulation of the contacting-line extending-extrusion forming process in the die-chamber has been done, which is based on the Design Environment for Forming (DEFORM) software:The stress-effective, strain-effective, temperature and velocity fields of the extending-extrusion forming have been acquired. So the metal forming mechanism is indicated, which can provide theory basis for the design.
文章编号： 中图分类号：TG376 文献标志码：
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引用文本：
谢玲玲,宋宝韫,李明典.铜材接触线扩展挤压成形的三维有限元数值模拟[J].有色金属（冶炼部分）,2005(3):49-53.
.3D-FEM Mathematical Simulation of the Contacting-line Extending-extrusion Forming Process[J].Nonferrous Metals (Extractive Metallurgy),2005(3):49-53.
谢玲玲,宋宝韫,李明典.铜材接触线扩展挤压成形的三维有限元数值模拟[J].有色金属（冶炼部分）,2005(3):49-53.
.3D-FEM Mathematical Simulation of the Contacting-line Extending-extrusion Forming Process[J].Nonferrous Metals (Extractive Metallurgy),2005(3):49-53.
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