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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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Carin, Muriel
Processes and Engineering in Mechanics and Materials
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2023A novel apparatus dedicated to the estimation of the thermal diffusivity of metals at high temperaturecitations
- 2023A novel hydraulic bulge test in hot forming conditionscitations
- 2022Conventional Meso-Scale and Time-Efficient Sub-Track-Scale Thermomechanical Model for Directed Energy Depositioncitations
- 2022Numerical modeling for large-scale parts fabricated by Directed Energy Depositioncitations
- 2018Design and development of an induction furnace to characterize molten metals at high temperatures
- 2018Investigation of the progressive hot die stamping of a complex boron steel part using numerical simulations and Gleeble testscitations
- 2014A model comparison to predict heat transfer during spot GTA weldingcitations
- 2014Influence of a pulsed laser regime on surface finish induced by thedirect metal deposition process on a Ti64 alloycitations
- 2013A model comparison to predict heat transfer during spot GTA weldingcitations
- 2013A model comparison to predict heat transfer during spot GTA weldingcitations
- 2012Influence of various process conditions on surface finishes induced by the direct metal deposition laser technique on a Ti-6Al-4V alloycitations
- 2012Surface Finish Issues after Direct Metal Deposition
- 2012Influence of various process conditions on surface finishes induced by the direct metal deposition laser technique on a Ti–6Al–4V alloycitations
- 20122D longitudinal modeling of heat transfer and fluid flow during multilayered
- 20122D longitudinal modeling of heat transfer and fluid flow during multilayered
- 20113D heat transfer model of hybrid laser Nd : Yag-MAG welding of a S355 steel and experimental validationcitations
- 20113D heat transfer model of hybrid laser Nd : Yag-MAG welding of a S355 steel and experimental validationcitations
- 2011Analysis of hybrid Nd:Yag laser-MAG arc welding processes.citations
- 2011Analysis of hybrid Nd:Yag laser-MAG arc welding processes.citations
- 2011Estimation of a source term in a quasi steady two-dimensional heat transfer problem: application to an electron beam weldingcitations
- 2006Thermo-mechanical modelling for the opening of electron-beam welded jointscitations
Places of action
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article
3D heat transfer model of hybrid laser Nd : Yag-MAG welding of a S355 steel and experimental validation
Abstract
A three-dimensional heat transfer model was developed to predict the temperature fields, the weld geometry and the shape of the solidified weld reinforcement surface during hybrid laser-MAG arc welding of fillet joints. Melt pool deformation due to arc pressure was calculated by minimizing the total surface energy. A series of hybrid welding experiments was conducted on S355 steel for different welding speeds and wire feeding rates. A high speed video camera was used to measure weld pool depression and surface weld pool geometry. Visualization of the weld pool during welding has also allowed for a better understanding of the interaction between the keyhole and droplets. The various weld bead shapes were explained through these observations. The arc pressure, the surface energy distribution, and arc efficiency were evaluated by comparing experimental data and numerical results for a wide range of welding operating parameters. Good correlation was found between the calculated and experimental weld bead shapes obtained for the hybrid laser-MAG arc welding process as well as for laser or MAG alone.