Formability and Bake-Hardenability of Al-Mg-Cu Alloy Sheets by Asymmetric Warm Rolling

Abstract:

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In this study, asymmetric warm rolling (AWR) has been applied to improve the formability of bake-hardenable Al-3mass%Mg-1mass%Cu-(Ag) alloy sheets. The T4 sheets by the AWR are superior to those by conventional rolling (CR) in Lankford value and drawability. This improvement is caused by a change in the recrystallization texture to have a predominant orientation close to {111}//ND. The unusual texture for recrystallized aluminum alloy sheets is due to the shear deformation introduced during AWR. The Al-Mg-Cu alloy sheets by AWR have been confirmed to possess combined bake-hardenability and the improved formability. However, the bake-hardening response of the Al-Mg-Cu alloy by AWR is slightly inferior to that of the identical alloy by CR.

Info:

Periodical:

Materials Science Forum (Volumes 519-521)

Edited by:

W.J. Poole, M.A. Wells and D.J. Lloyd

Pages:

1505-1510

DOI:

10.4028/www.scientific.net/MSF.519-521.1505

Citation:

Y. Suzuki et al., "Formability and Bake-Hardenability of Al-Mg-Cu Alloy Sheets by Asymmetric Warm Rolling", Materials Science Forum, Vols. 519-521, pp. 1505-1510, 2006

Online since:

July 2006

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Price:

$35.00

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