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Regensburg 2007 – scientific programme

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MM: Fachverband Metall- und Materialphysik

MM 20: Poster session

MM 20.21: Poster

Tuesday, March 27, 2007, 14:45–18:00, Poster C

Modeling of dendritic solidification *in undercooled dilute Ni-Zr meltsDenis Danilov1, Peter Galenko2, •Britta Nestler1, and Dieter Herlach21Institute for Computational Engineering, Karlsruhe University of Applied Sciences, Karlsruhe, Germany — 2Institut für Raumsimulation, DLR, Köln

The dendritic and eutectic solidification in undercooled Ni-Zr samples is analyzed using new experimental results, theoretical studies based on a sharp-interface model and phase-field simulations. Predictions of a sharp interface model and of a diffuse interface model describing the phase transition under the consideration of both, thermal and solutal diffusion are compared with the experimental results evaluating the dendritic tip velocity in electromagnetically levitated Ni-Zr samples.

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