Dynamics of planar interface growth during directional solidification of alloys

The dynamics of plane front growth during directional solidification is investigated in a well-characterized system of succinonitrile–acetone, and the results show significant deviations from the predictions of existing models. This discrepancy is shown to arise from the assumption of solidification...

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Published in:Scripta materialia 2015-03, Vol.97, p.29-32
Main Authors: Fabietti, L.M., Mazumder, P., Trivedi, R.
Format: Article
Language:English
Subjects:
Alloys
Boundary layer
Bridgman technique
Deviation
Directional solidification
Dynamic phenomena
Dynamic tests
Dynamical systems
Dynamics
Interface dynamics
Mathematical models
Solidification
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description The dynamics of plane front growth during directional solidification is investigated in a well-characterized system of succinonitrile–acetone, and the results show significant deviations from the predictions of existing models. This discrepancy is shown to arise from the assumption of solidification from one end in the theories that ignore the presence of an initial solute boundary layer generally present in experiments. A numerical model that relaxes this assumption is presented that gives excellent agreement with the experimental results.
doi_str_mv 10.1016/j.scriptamat.2014.10.019
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source ScienceDirect Journals
subjects Alloys
Boundary layer
Bridgman technique
Deviation
Directional solidification
Dynamic phenomena
Dynamic tests
Dynamical systems
Dynamics
Interface dynamics
Mathematical models
Solidification
title Dynamics of planar interface growth during directional solidification of alloys
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