Multicomponent alloy solidification: Phase-field modeling and simulations

Nestler, Britta and Garcke, Harald and Stinner, Bjoern (2005) Multicomponent alloy solidification: Phase-field modeling and simulations. PHYSICAL REVIEW E, 71 (4): 041609. ISSN 2470-0045, 2470-0053

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Abstract

A general formulation of phase-field models for nonisothermal solidification in multicomponent and multiphase alloy systems is derived from an entropy functional in a thermodynamically consistent way. General expressions for the free energy densities, for multicomponent diffusion coefficients, and for both weak and faceted types of surface energy and kinetic anisotropy are possible. A three-dimensional simulator is developed to show the capability of the model to describe phase transitions, complex microstructure formation, and grain growth in polycrystalline textures.

Item Type: Article
Uncontrolled Keywords: MULTIPHASE SYSTEMS; EUTECTIC ALLOY; BINARY-ALLOYS; GROWTH; TRANSITIONS; BOUNDARIES; DIFFUSION; JUNCTIONS; KINETICS; LIMITS;
Subjects: 500 Science > 510 Mathematics
Divisions: Mathematics > Prof. Dr. Harald Garcke
Depositing User: Dr. Gernot Deinzer
Date Deposited: 18 May 2021 08:36
Last Modified: 18 May 2021 08:36
URI: https://pred.uni-regensburg.de/id/eprint/36334

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