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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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Lava, P.
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Publications (8/8 displayed)
- 2014On the in-plane mechanical properties of stainless steel fibre reinforced ductile compositescitations
- 2014A comparison between the experimental and theoretical impact pressures acting on a horizontal quasi-rigid cylinder during vertical water entrycitations
- 2013Accurate Measurement of High Strain Gradients in Micro-Strain Applications with 2D Digital Image Correlation
- 2013Impact of lens distortions on strain measurements obtained with 2D digital image correlationcitations
- 2012Experimentally induced errors in Digital Image Correlation measurement of small strains with large gradients
- 2011Measuring Welding Deformations with the Digital Image Correlation Technique
- 2010Determination of the flow stress and contact friction of sheet metal in a multi-layered upsetting test
- 2009Generation of realistic ground truth images using Radial Basis Functions for the evaluation of DIC algorithms
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article
Determination of the flow stress and contact friction of sheet metal in a multi-layered upsetting test
Abstract
This paper describes the identification of hardening parameters of DC05 sheet metal and contact friction coefficients using a multi-layered upsetting test (MLUT), the modified two specimen method (MTSM) and a finite element based inverse method. The MTSM is adopted in order to identify the friction coefficient between the tools and the stacked circular specimens which are cut from the base material by spark erosion. Next, the hardening behaviour is identified inversely by combining the results of a MLUT and finite element simulations of the test setup. Finally, the results are compared with standard tensile tests and it is shown that the MLUT is a viable alternative for the identification of the local hardening behaviour of sheet metal where standard test specimens cannot be prepared due to size limitations of the specimen.