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Influence of solid-solid interface anisotropy on three-phase eutectic growth during directional solidification

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Title Influence of solid-solid interface anisotropy on three-phase eutectic growth during directional solidification
 
Creator CHOUDHURY, A
GEETA, M
NESTLER, B
 
Subject ALLOY SOLIDIFICATION
INSTABILITIES
MODEL
 
Description We utilize a quantitative phase-field model to simulate three-phase eutectic growth and the oscillatory instabilities at large spacings. We analyze the effect of symmetry in the selection of the oscillatory mode for the case of directional solidification. Going further from our previous article (CHOUDHURY A. et al., Phys. Rev. E, 83 (2011) 051608), we manipulate the symmetry elements in a given configuration through the use of solid-solid anisotropy. Characteristic modes are compared between the case of isotropic surface energies and those retrieved in the presence of solid-solid anisotropy. We end with certain general arguments with regards to the growth rate of oscillatory modes and symmetry elements of the obtained microstructure depending on the symmetry elements of the starting configuration. Copyright (C) EPLA, 2013
 
Publisher EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
 
Date 2014-10-16T15:18:06Z
2014-10-16T15:18:06Z
2013
 
Type Article
 
Identifier EPL, 101(2)
http://dx.doi.org/10.1209/0295-5075/101/26001
http://dspace.library.iitb.ac.in/jspui/handle/100/15883
 
Language en