Finite element simulation of aluminum sheet warm forming using alflow hardening model

Kurukuri, S. and Boogaard van den, A.H. and Huetink, J. (2007) Finite element simulation of aluminum sheet warm forming using alflow hardening model. In: IX International Conference on Computational Plasticity, COMPLAS 2007, 5-7 September 2007, Barcelona, Spain.

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Abstract:	In order to accurately model the plastic deformation of Aluminum sheet at elevated temperatures, a model is required that incorporate the temperature and strain rate dependency of the material. In this article, two physically based models are compared: Bergstr¨om and Alflow model. Although both models can be fit quite well to monotonic tensile tests of 5754-O alloy, large differences appear if strain rate jumps are applied. The Alflow model also represents the negative strain rate sensitivity behavior of Al-Mg alloys at temperatures below 125±C.
Item Type:	Conference or Workshop Item
Faculty:	Engineering Technology (CTW)
Research Chair:	Mechanics of Forming Technology (MFT)
Research Group:	Applied Mechanics (AM)
Link to this item:	http://purl.utwente.nl/publications/59636
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