Effect of solute redistribution on the growth kinetics in solidification

Yao, X. (2006) Effect of solute redistribution on the growth kinetics in solidification. International Journal of Modern Physics B, 20 (25-27). pp. 3938-3943.

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Abstract

Solute redistribution has been a long-term interest in solidification theoretical study, but its effect on growth rate during solidification is still not completely clear. Models that descript the relationship between growth rate and the alloy concentration remain controversial both qualitatively and quantitatively. This work theoretically analysed and investigated the solute redistribution and its effect on constitutional undercooling during solidification. Systematic analysis on the interaction behaviour between the solid/liquid interface movement and the solute distribution has been performed to clarify the effect of constitutional undercooling on growth rate of solid during solidification. It is demonstrated that the growth rate of crystals conversed to the alloy concentration and the relationship could be quantitatively calculated by the present model by introduction of the interface retardation.

Item ID: 4240
Item Type: Article (Refereed Research - C1)
Keywords: modelling; solidification; solute redistribution; growth; growth kinetics; interface retardation; constitutional undercooling
ISSN: 1793-6578
Date Deposited: 28 Sep 2009 22:55
FoR Codes: 01 MATHEMATICAL SCIENCES > 0103 Numerical and Computational Mathematics > 010301 Numerical Analysis @ 40%
09 ENGINEERING > 0912 Materials Engineering > 091207 Metals and Alloy Materials @ 60%
SEO Codes: 86 MANUFACTURING > 8612 Fabricated Metal Products > 861203 Metal Castings @ 50%
86 MANUFACTURING > 8611 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) > 861199 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) not elsewhere classified @ 30%
89 INFORMATION AND COMMUNICATION SERVICES > 8902 Computer Software and Services > 890202 Application Tools and System Utilities @ 20%
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