Three-dimensional phase-field simulations of eutectic solidification and comparison to in situ experimental observations

Parisi, Andrea and Plapp, Mathis and Akamatsu, Silvère and Bottin-Rousseau, Sabine and Perrut, Mikaël and Faivre, Gabriel (2006) Three-dimensional phase-field simulations of eutectic solidification and comparison to in situ experimental observations. In: Modeling of Casting, Welding and Advanced Solidification Processes - XI. The Minerals, Metals & Materials Society (TMS), FRA, pp. 417-424. ISBN 0873396294

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Abstract

The phase-field method has become the method of choice for simulating microstructure formation during solidification. Recent progress, both on the formulation of the model and on the numerical implementation, makes it now possible to simulate quantitatively the evolution of complex microstructures in three dimensions. This is illustrated by simulations of eutectic coupled growth. The morphological stability of lamellar patterns is investigated, and the results are compared to experimental data obtained by in situ observations of the transparent alloy carbontetrabromide-hexachloroethane. When the lamellar spacing exceeds a critical value, a zigzag instability occurs. The further evolution of the system leads to stable zigzag structures or lamella breakup, depending on the parameters.

Item Type: Contribution in Book/Report/Proceedings
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/2200
Subjects:
Departments: Faculty of Health and Medicine > Medicine
ID Code: 124920
Deposited By: ep_importer_pure
Deposited On: 27 Apr 2018 09:06
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 10:49
URI: https://eprints.lancs.ac.uk/id/eprint/124920

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