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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Miroux, Alexis
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Publications (5/5 displayed)
- 2020Hemming evolution of 6xxx aluminum alloys in the course of natural aging following the continuous annealing
- 2011Simulation of stretch forming with intermediate heat treatments of aircraft skins - A physically based modeling approachcitations
- 2010Mechanical and forming properties of AA6xxx sheet from room to warm temperatures
- 2009An advanced material model for aluminum sheet forming at elevated temperatures
- 2009Controlling the plastic anisotropy in asymmetrically rolled aluminium sheetscitations
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document
Mechanical and forming properties of AA6xxx sheet from room to warm temperatures
Abstract
The influence of temperature on the mechanical behaviour of the heat treatable Aluminium alloy EN AW-6061 has been investigated with a series of tensile tests. It is found that temperature has an effect on both the storage of dislocations and dynamic recovery. The results have been used to fit the dislocation based Nes work-hardening model. Simulations show that the model captures properly the dependence of yield stress and work-hardening rate with temperature and temper. The work-hardening model has been implemented into the Dieka FEM to simulate the warm deep drawing of cylindrical cups. Comparison of the simulated and experimental punch force and cup thickness reveals a good correspondence and validates the proposed modelling approach.