Paper Title:
Deformation Behaviors of AZ31B Magnesium Alloy Sheets in Hydraulic Deep Drawing
  Abstract

Magnesium alloy sheets have poor formability at room temperature, and the hydraulic forming may be a choice to improve its formability. Experiments were conducted to investigate the deformation behaviors of AZ31B magnesium alloy sheet in radial pressure deep drawing, one of the hydraulic forming technologies. The influence of hydraulic pressure, die dimension, blank dimension on the limit drawing height (LDH) of the drawn workpieces is investigated, and the location, evolvement and pattern of the fractures are also analyzed. The research results show that the obtained LDH increases with the hydraulic pressure when the punch corner radius is large enough, the formability can be improved only under a proper moderate hydraulic pressure when the punch corner radius is small; moreover, the location of the fractures may be around the corner, on the flange and the sidewall of the drawn workpieces, which appears different evolvement directions and patterns through cross-section.

  Info
Periodical
Advanced Materials Research (Volumes 139-141)
Edited by
Liangchi Zhang, Chunliang Zhang and Tielin Shi
Pages
520-523
DOI
10.4028/www.scientific.net/AMR.139-141.520
Citation
L. F. Yang, L. Yi, X. C. Mao, G. Chen, "Deformation Behaviors of AZ31B Magnesium Alloy Sheets in Hydraulic Deep Drawing", Advanced Materials Research, Vols. 139-141, pp. 520-523, 2010
Online since
October 2010
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Price
$32.00
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