Prediction of plastic instability and forming limits in sheet metal forming
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2011
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Abstract
In this study, FLD's are predicted by simulating Nakazima test using a finite element software. Strain propagation instability criterion is used to evaluate the limit strains from the finite element simulations. SAE 1006, material is used in this study and 7 different specimen geometries are analyzed. Furthermore, FLD's are also predicted by theoretical approaches namely; Keeler's model, maximum load instability criterion, Swift-Hill model and Storen-Rice model. At the end of the study, the calculated FLD's are compared with the experimental results. © 2011 IBF (RWTH Aachen) & IUL (TU Dortmund).
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Finite element method, Forming limit diagram, Nakazima test, Sheet metal forming, Strain propagation
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Proceedings of the 10th International Conference on Technology of Plasticity, ICTP 2011 -- 10th International Conference on Technology of Plasticity, ICTP 2011 -- 25 September 2011 through 30 September 2011 -- Aachen -- 104184
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927
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932
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Sustainable Development Goals
7
AFFORDABLE AND CLEAN ENERGY
