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Study on plastic deformation behavior of equal channel angular pressing process
Author(s): TAN Xianfeng, ZHOU Qing, LIU Xia
Pages: 52-
54
Year: 2009
Issue:
5
Journal: Forging & Stamping Technology
Keyword: 等通道转角挤压; 挤压力; 等效应变; 塑性变形;
Abstract: 等通道转角挤压工艺是一种利用纯剪切变形获得块状超细晶材料的新技术,本文采用坐标网格法进行实验,获得了力一行程曲线和试样网格的变化,并应用Deform-3D有限元软件数值模拟了5052铝合金挤压塑性变形过程,将挤压后的实验结果同模拟结果进行比较,两者吻合较好,以此为基础,分析了挤压变形力和等效应变的分布规律,探讨了塑性变形的行为.
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