Forming limits in sheet metal forming for non-proportional loading conditions? experimental and theoretical approach
Offenheimer A, Buchmayr B, Kolleck R, Merklein M (2005)
Publication Type: Conference contribution
Publication year: 2005
Journal
Publisher: American Institute of Physics Inc.
Book Volume: 778 A
Pages Range: 460-465
Conference Proceedings Title: Proceedings of the 6th International Conference and Workshop on Numerical Simulation of 3D Sheet forming Processes (NumiSheet), 15.-19.08., Detroit, USA
ISBN: 0735402655
DOI: 10.1063/1.2011263
Abstract
The influence of strain paths (loading history) on material formability is well known in sheet forming processes. Sophisticated experimental methods are used to determine the entire shape of strain paths of forming limits for aluminum AA6016-T4 alloy. Forming limits for sheet metal in as-received condition as well as for different pre-deformation are presented. A theoretical approach based on Arrieux's intrinsic Forming Limit Stress Curve (FLSC) concept is employed to numerically predict the influence of loading history on forming severity. The detailed experimental strain paths are used in the theoretical study instead of any linear or bilinear simplified loading histories to demonstrate the predictive quality of forming limits in the state of stress. © 2005 American Institute of Physics.
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Austria (AT)How to cite
APA:
Offenheimer, A., Buchmayr, B., Kolleck, R., & Merklein, M. (2005). Forming limits in sheet metal forming for non-proportional loading conditions? experimental and theoretical approach. In Proceedings of the 6th International Conference and Workshop on Numerical Simulation of 3D Sheet forming Processes (NumiSheet), 15.-19.08., Detroit, USA (pp. 460-465). American Institute of Physics Inc..
MLA:
Offenheimer, A., et al. "Forming limits in sheet metal forming for non-proportional loading conditions? experimental and theoretical approach." Proceedings of the Proceedings of the 6th International Conference and Workshop on Numerical Simulation of 3D Sheet forming Processes (NumiSheet), 15.-19.08., Detroit, USA American Institute of Physics Inc., 2005. 460-465.
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