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Multiple non-equilibrium phase transformations: Modeling versus electro-magnetic levitation experiment
Tourret, Damien and Gandin, Charles-André and Volkmann, Thomas and Herlach, Dieter (2011) Multiple non-equilibrium phase transformations: Modeling versus electro-magnetic levitation experiment. Acta Materialia, 59, pp. 4665-4677. DOI: 10.1016/j.actamat.2011.04.013.
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Abstract
A segregation model for multiple phase transformations is coupled with thermodynamic equilibrium calculations, including dendritic, peritectic and eutectic reactions. Its predictions are compared with measurements deduced from an electro-magnetic levitation solidification experiment of an aluminum–nickel alloy. Quantitative agreement is found for the cooling curve and the fraction of microstructures, providing a validation of the kinetics of phase transformations. The effects of nucleation undercooling and coupling with thermodynamic equilibrium calculations are discussed.
| Document Type: | Article | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Title: | Multiple non-equilibrium phase transformations: Modeling versus electro-magnetic levitation experiment | ||||||||||
| Authors: |
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| Date: | 30 April 2011 | ||||||||||
| Journal or Publication Title: | Acta Materialia | ||||||||||
| Refereed publication: | Yes | ||||||||||
| In Open Access: | No | ||||||||||
| In SCOPUS: | Yes | ||||||||||
| In ISI Web of Science: | Yes | ||||||||||
| Volume: | 59 | ||||||||||
| DOI: | 10.1016/j.actamat.2011.04.013 | ||||||||||
| Page Range: | pp. 4665-4677 | ||||||||||
| Status: | Published | ||||||||||
| Keywords: | undercooling, dendrite growth, multiscale modelling, electromagnetic levitation, steel alloys | ||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||
| HGF - Program: | Space | ||||||||||
| HGF - Program Themes: | W FR - Forschung unter Weltraumbedingungen | ||||||||||
| DLR - Research area: | Space | ||||||||||
| DLR - Program: | W FR - Forschung unter Weltraumbedingungen | ||||||||||
| DLR - Research theme (Project): | W - Vorhaben Materialwissenschaftliche Forschung (old) | ||||||||||
| Location: | Köln-Porz | ||||||||||
| Institutes and Institutions: | Institute of Materials Physics in Space | ||||||||||
| Deposited By: | Dieter Herlach | ||||||||||
| Deposited On: | 18 May 2011 08:39 | ||||||||||
| Last Modified: | 26 Mar 2013 13:28 |
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