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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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Pereda, Jorge
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2021Effect of sub-boundaries on primary spacing dynamics during 3D directional solidification conducted on DECLIC-DSIcitations
- 2020Experimental characterization and theoretical analysis of cell tip oscillations in directional solidificationcitations
- 2018Thermal-field effects on interface dynamics and microstructure selection during alloy directional solidificationcitations
- 2018Formation des microstructures de solidification dans des alliages transparents modèles des alliages métalliques ; Dynamics of solidification microstructure formation of transparent alloys under diffusive transport regime
- 2017Convection Effects During Bulk Transparent Alloy Solidification in DECLIC-DSI and Phase-Field Simulations in Diffusive Conditionscitations
- 2017Evolution of Primary Spacing during Directional Solidification of Transparent Bulk Samples Conducted on DECLIC-DSI
- 2016Dynamics of Microstructure Formation in 3D Directional Solidification of Transparent Model Alloys under Microgravity: Analysis of the Primary Spacing Evolution
- 2016In Situ and Real Time Observation of Microstructure Formation during Directional Solidification of a 3D-alloy: Experiments in the DECLIC-DSIcitations
Places of action
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conferencepaper
Dynamics of Microstructure Formation in 3D Directional Solidification of Transparent Model Alloys under Microgravity: Analysis of the Primary Spacing Evolution
Abstract
To study the dynamical formation of 3D arrays of cells and dendrites under diffusive growth conditions, in situ monitoring of directional solidification experiments on a transparent model alloy was carried out under low gravity in the Directional Solidification Insert of the Device for the Study of Critical Liquids and Crystallization (DECLIC-DSI) on-board the International Space Station. Microgravity environment provides the conditions to get homogeneous patterns over the whole interface corresponding to homogeneous values of control parameters. Sequences of the microstructure formation and primary spacing evolution are presented. These analyses reveal two main parameters that strongly affect the mechanisms of spacing selection. First, the critical influence of the macroscopic interfacial curvature that induces pattern gliding is highlighted. Secondly, small crystal misorientations found between the principal crystal axes and the thermal gradient axis also induce drift of specific characteristics which are presented and analyzed in terms of spacing selection and sub-boundary dynamics.