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Phase-field model of solute trapping during solidification

Wheeler, A.A., Boettinger, W. J. and McFadden, G. B. (1993) Phase-field model of solute trapping during solidification Physical Review E, 47, (3), pp. 1893-1909. (doi:10.1103/PhysRevE.47.1893).

Record type: Article

Abstract

A phase-field model for isothermal solidification of a binary alloy is developed that includes gradient energy contributions for the phase field and for the composition field. When the gradient energy coefficient for the phase field is smaller than that for the solute field, planar steady-state solutions exhibit a reduction in the segregation predicted in the liquid phase ahead of an advancing front (solute trapping), and, in the limit of high solidification speeds, predict an alloy solidification with no redistribution of composition. Such situations are commonly observed experimentally.

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Published date: 1993

Identifiers

Local EPrints ID: 807
URI: http://eprints.soton.ac.uk/id/eprint/807
ISSN: 1539-3755
PURE UUID: 491e7f46-4b67-4a27-880a-25d5e9d44c00

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Date deposited: 25 Mar 2004
Last modified: 17 Jul 2017 17:17

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Contributors

Author: A.A. Wheeler
Author: W. J. Boettinger
Author: G. B. McFadden

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