Superplastic Forming Limit and Instability of AZ31B Sheet

Abstract:

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The superplastic bulging test of AZ31B magnesium alloy sheet of 0.6mm thick was carried out on Alliance RT/50 tensile machine at 573K and 3.3×10-4S-1. It is found that either in tensile-compressive deformation or in bi-axis tensile deformation, the judgment criterion for local necking of superplastic deformation is 2=0. The superplastic forming limit diagram(FLD) at 573K and 3.3×10-4S-1 was established for the first time.

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Periodical:

Edited by:

Yafang Han, Fusheng Pan, Jianmao Tang, Chungen Zhou

Pages:

343-347

DOI:

10.4028/www.scientific.net/MSF.686.343

Citation:

M. J. Song et al., "Superplastic Forming Limit and Instability of AZ31B Sheet", Materials Science Forum, Vol. 686, pp. 343-347, 2011

Online since:

June 2011

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$35.00

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