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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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Islam, Md Shafiqul
Blekinge Institute of Technology
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Publications (5/5 displayed)
- 2023An evaluation method for experimental necking detection of automotive sheet metalscitations
- 2021Peeling of metal foil from a compliant substratecitations
- 2019Fracture and Delamination in Packaging Materials : A Study of Experimental Methods and Simulation Techniques
- 2019Trouser tear testing of thin anisotropic polymer films and laminatescitations
- 2013A Study Of Shear Stress Intensity Factor Of Pp And Hdpe By A Modified Experimental Method Together With Fem
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article
An evaluation method for experimental necking detection of automotive sheet metals
Abstract
<jats:title>Abstract</jats:title><jats:p>In sheet metal stamping, the occurrence of strain localization in a deformed sheet is considered a failure. As so, sheet metal’s formability is conventionally evaluated using the Forming Limit Diagram (FLD), which separates the principal strain space into safety and unsafety regions by a Forming Limit Curve (FLC). This study presents an evaluation method for detecting strain localization based on Digital Image Correlation (DIC) during the experiment. The commercial DIC software ARAMIS is adopted to monitor the strain-field distribution on the deformed specimen’s surface. A detailed analysis of the proposed method is presented considering Nakajima tests conducted for two automotive sheet metals: AA6016 and DP800. The identified FLC based on the proposed method is compared with that of well-established methods such as ISO 12004:2-2008 and time-dependent methods. For both investigated materials, the proposed method presents a lower FLC than the others.</jats:p>