Analysis of Sheet Metal Extrusion Process Using Finite Element Method

被引：4
|
作者：
Zhuang X.-C. [1 ]
Xiang H. [1 ]
Zhao Z. [1 ]
机构：
[1] Department of Plasticity Technology, Shanghai Jiao Tong University
来源：
International Journal of Automation and Computing | 2010年 / 7卷 / 03期
基金：
中国国家自然科学基金;
关键词：
arbitrary Lagrangian-Eulerian (ALE); extrusion; ductile damage; metal flow behavior; Sheet bulk metal forming;
D O I：
10.1007/s11633-010-0506-8
中图分类号：
学科分类号：
摘要：
Sheet bulk metal forming processes have been widely developed to the facilitate manufacture of complicated 3D parts. However, there is still not enough know-how available. In this paper, as one of the typical sheet bulk metal forming processes, the sheet metal extrusion process was studied. A reasonable finite element method (FEM) model of sheet metal extrusion process taking the influence of flow-stress curve with wide range of plastic strain and ductile damage into consideration was established and simulated by an arbitrary Lagrangian-Eulerian (ALE) FEM implemented in MSC. Marc. Validated by comparing the results with experiment, some phenomenological characteristics, such as metal flow behavior, shrinkage cavity, and the influence of different combinations of diameter of punch, diameter of extrusion outlet, and diameter of pre-punched hole were analyzed and concluded, which can be used as theoretical fundamental for the design of the sheet metal extrusion process. © 2010 Institute of Automation, Chinese Academy of Sciences and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：295 / 302
页数：7
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