Paper Title:
Finite Element Analysis of Press Forging Process of AZ31 Sheet
  Abstract

In this paper, the distribution of temperatures on specimen and the variations in punch forces on friction coefficients during press forging of AZ31 sheets have been analyzed by Finite Element Analysis technique. Results show that the top of rib and boss areas showed lower temperatures than other areas because of the heat dissipation to air by radiation. The foot regions of the rib and boss showed greater temperature rise due to greater plastic flow. The applied punch force significantly increased at 473K or lower temperatures indicating the forming temperature of AZ31 sheet should not lower than 473K. The friction condition of the punch influenced more significantly on the materials flow pattern compared to those of the die. Using a lubricant on the contact area between the punch and specimen would effectively reduce the punch force and enhance the forming capability.

  Info
Periodical
Materials Science Forum (Volumes 488-489)
Edited by
W.Ke, E.H.Han, Y.F.Han, K.Kainer and A.A.Luo
Pages
457-460
DOI
10.4028/www.scientific.net/MSF.488-489.457
Citation
J. K. Hwang, K. Y. Sohn, D. M. Kang, Y. S. Shin, "Finite Element Analysis of Press Forging Process of AZ31 Sheet", Materials Science Forum, Vols. 488-489, pp. 457-460, 2005
Online since
July 2005
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Price
$32.00
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