Paper Title:
Constitutive Description for Drawing Limit of Magnesium Alloy Tube Based on Continuum Damage Mechanics
  Abstract

The elasto-plastic behavior and the drawing limit of a kind of magnesium alloy tube were investigated based on the foundational theories of the larger deformation of material and continuum damage constitutive model. The corresponding finite element numerical algorithm was developed based on the constitutive model. The non-mandrel drawing limit graph according to the diameter at different tube thickness of an AZ31B tube with diameter 10mm at 250°C and drawing velocity 100mm/s was achieved, and safe & unsafe area got partitioned. The maximum damage value was evaluated to be 0.324 according to height reduction ratio limit and rigid-plastic FE analysis.

  Info
Periodical
Materials Science Forum (Volumes 610-613)
Main Theme
Edited by
Zhongwei Gu, Yafang Han, Fusheng Pan, Xitao Wang, Duan Weng and Shaoxiong Zhou
Pages
951-954
DOI
10.4028/www.scientific.net/MSF.610-613.951
Citation
Y. Tong, G. Z. Quan, B. Chen, "Constitutive Description for Drawing Limit of Magnesium Alloy Tube Based on Continuum Damage Mechanics", Materials Science Forum, Vols. 610-613, pp. 951-954, 2009
Online since
January 2009
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$32.00
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