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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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Volkmann, Thomas
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2024TEMPUS - A microgravity electromagnetic levitation facility for parabolic flights
- 2024TEMPUS—A microgravity electromagnetic levitation facility for parabolic flights
- 2018Continuous Transformations of the Nucleation Mechanism in the Undercooled Statecitations
- 2016Simulation of shrinkage-induced macrosegregation in a multicomponent alloy during reduced-gravity solidificationcitations
- 2011Multiple non-equilibrium phase transformations: Modeling versus electro-magnetic levitation experimentcitations
- 2008Experimental and numerical modeling of equiaxed solidification in metallic alloyscitations
Places of action
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conferencepaper
Simulation of shrinkage-induced macrosegregation in a multicomponent alloy during reduced-gravity solidification
Abstract
Segregation is a key phenomenon responsible for altering alloys' properties during solidi-fication. The factors that lead to solute partitioning at the scale of the solidified parts are related to movements of liquid and solid phases. However, when considering a reduced gravitational field, convection forces become less significant compared to other factors. Consequently, predicting segregation in this context requires considering other prevailing driving forces, namely solidification shrinkage that arises from the density difference be-tween the liquid and solid phases. We propose a numerical model that accounts for energy conservation via a thermodynamic database, together with fluid momentum conserva-tion and species conservation to predict segregation driven by solidification shrinkage in a multicomponent alloy. We apply it on a specific steel grade for which reduced-gravity experiments were performed via parabolic flights.