TY - JOUR
T1 - Computer simulation of phase decomposition in the regular solid solution based upon the non-linear diffusion equation
AU - Takeuchi, Akira
AU - Koyama, Toshiyuki
AU - Kozakai, Takao
AU - Miyazaki, Toru
N1 - Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.
PY - 1990
Y1 - 1990
N2 - A new Fourier expression of the Cahn-Hilliard's flux equation is proposed, where the regular solution approximation is adopted as the chemical free energy of solid solution and the mobility is defined as a function of solute composition. The results of the computer simulation of phase decomposition, derived on the basis of the new method, are in accord with the prediction from the phase diagram which is theoretically given by the free energy of the regular solution approximation. This calculation method is applicable to the actual alloy systems, because the phase diagrams have usually been evaluated, based on the regular solution or the modified regular solution model.
AB - A new Fourier expression of the Cahn-Hilliard's flux equation is proposed, where the regular solution approximation is adopted as the chemical free energy of solid solution and the mobility is defined as a function of solute composition. The results of the computer simulation of phase decomposition, derived on the basis of the new method, are in accord with the prediction from the phase diagram which is theoretically given by the free energy of the regular solution approximation. This calculation method is applicable to the actual alloy systems, because the phase diagrams have usually been evaluated, based on the regular solution or the modified regular solution model.
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U2 - 10.2320/jinstmet1952.54.11_1177
DO - 10.2320/jinstmet1952.54.11_1177
M3 - Article
AN - SCOPUS:0025510503
VL - 54
SP - 1177
EP - 1182
JO - Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
JF - Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
SN - 0021-4876
IS - 11
ER -