Investigation on the forming limits of 5754-O aluminum alloy sheet with the numerical Marciniak–Kuczynski approach

Investigation on the forming limits of 5754-O aluminum alloy sheet with the numerical... •The numerical M–K approach was developed to predict the forming limit strains.•The strain path change in loading process resulted in the stress state shift.•The M–K approach failed in predicting the whole FLC when the effective strain caused by the pre-strain was larger than the one at plane strain state. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Mechanical Sciences Elsevier

Investigation on the forming limits of 5754-O aluminum alloy sheet with the numerical Marciniak–Kuczynski approach

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0020-7403
eISSN
1879-2162
D.O.I.
10.1016/j.ijmecsci.2018.05.013
Publisher site
See Article on Publisher Site

Abstract

•The numerical M–K approach was developed to predict the forming limit strains.•The strain path change in loading process resulted in the stress state shift.•The M–K approach failed in predicting the whole FLC when the effective strain caused by the pre-strain was larger than the one at plane strain state.

Journal

International Journal of Mechanical SciencesElsevier

Published: Jul 1, 2018

References

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