Paper Title:
Failure Analysis of Al1060 Sheets under Double-Sided Pressure Deformation Conditions
  Abstract

The viscous pressure bulge (VPB) testes of the aluminum Al1060 sheet were carried out with stainless steel overlapped outside without lubricant. The influence of the compressive normal stress on the failure behavior of aluminum sheet was investigated by scanning electron microscope observations. The results indicate that the forming limit of overlapped aluminum sheet is increased significantly compared with the single aluminum sheet. Fractography shows that the void growth and conjunction in the thickness direction is restrained by normal pressure and the fracture mode of overlapped sheet transits from the dimple fracture to shear fracture due to the reduction of stress triaxiality.

  Info
Periodical
Key Engineering Materials (Volumes 353-358)
Edited by
Yu Zhou, Shan-Tung Tu and Xishan Xie
Pages
603-606
DOI
10.4028/www.scientific.net/KEM.353-358.603
Citation
Z. J. Wang, Z. Wang, M. X. Li, "Failure Analysis of Al1060 Sheets under Double-Sided Pressure Deformation Conditions", Key Engineering Materials, Vols. 353-358, pp. 603-606, 2007
Online since
September 2007
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Price
$32.00
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