Paper Title:
An Elasto-Plastic Finite Element Analysis of the Radial Compression of Aluminium Tube between Rigid Plates
  Abstract

This study aims to clarify the process conditions of the radial compression of aluminum tube. It provides a model that predicts not only the correct punch load for compression, but also the precise final shape of products after unloading, based on the compression properties of the material and the geometry of the tools used. An elasto-plastic incremental finite-element computer code, based on an updated Lagrangian formulation, was developed to simulate the radial compression of aluminum tube. In particular, selective reduced integration was adopted to formulate the stiffness matrix. The extended r-minimum technique was used to deal with the elasto-plastic state and contact problems at the tool-metal interface. A series of simulations were performed to validate the formulation in the theory, leading to the development of the computer codes. The whole deformation history and the distribution of stress and strain during the forming process were obtained by carefully considering the moving boundary condition in the finite-element method. Results in this study clearly demonstrated that the computer code for simulating the radial compression of aluminum tube was efficient.

  Info
Periodical
Advanced Materials Research (Volumes 264-265)
Edited by
M.S.J. Hashmi, S. Mridha and S. Naher
Pages
166-171
DOI
10.4028/www.scientific.net/AMR.264-265.166
Citation
T. C. Chen, "An Elasto-Plastic Finite Element Analysis of the Radial Compression of Aluminium Tube between Rigid Plates", Advanced Materials Research, Vols. 264-265, pp. 166-171, 2011
Online since
June 2011
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$32.00
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