Paper Title:
Control of Earing in Deep Drawing of Roll-Cast AA3003 Aluminium Sheets
  Abstract

The effect of different parameters during thermo-mechanical processing on the earing behavior of AA3003 aluminum sheets has been investigated. These were homogenization of the cast strip, cold rolling, intermediate and final annealing of the sheets at different gauges. The amount of 0/90° earing formed on annealing decreased with cold rolling prior to annealing. Nevertheless, annealing after partial deformation gave rise to large amounts of 0 to 90° ears to balance subsequent ±45° earing. Homogenization prior to cold rolling resulted in a fine dispersoid distribution which, in turn, increased the tendency for 0/90° earing. All of these observations were consistent with textural studies in which cube and rolling textures were competing to produce positive and negative earing, respectively. It is concluded that the "non-earing" quality in the present material could be obtained by proper combination of processing variables such as; homogenization, cold reduction, and annealing cycles.

  Info
Periodical
Materials Science Forum (Volumes 519-521)
Edited by
W.J. Poole, M.A. Wells and D.J. Lloyd
Pages
1545-1550
DOI
10.4028/www.scientific.net/MSF.519-521.1545
Citation
R. Mahmudi, M.M. Alaiha, "Control of Earing in Deep Drawing of Roll-Cast AA3003 Aluminium Sheets", Materials Science Forum, Vols. 519-521, pp. 1545-1550, 2006
Online since
July 2006
Export
Price
$32.00
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