3D Monte Carlo Simulation of Phase Separation Kinetics in a Binary Metallic Alloy with Vacancy Mediated Diffusion: Effect of Initial Supersaturation

Abstract:

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The process of phase formation at the initial stage of the reaction diffusion and growth of a new phase particles - at the atomic level by applying the Monte-Carlo simulation of the crystalline nanoalloy is presented. The influence of initial composition on the kinetics of phase separation in a binary alloy with the fcc crystal lattice has been analyzed in detail. The dependences of various parameters of tire process - the average size of new-phase particles, volume of new-phase clusters, size distribution function, dispersion and supersaturation - on time have been calculated. The obtained results demonstrate the opportunity of a three-stage separation process at low initial supersaturation values and a two-stage separation at large initial supersaturation values.

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Periodical:

Edited by:

D.Beke, A.Gusak, G.Murch, J.Philibert

Pages:

161-166

DOI:

10.4028/www.scientific.net/DDF.277.161

Citation:

A.S. Shirinyan and Y. S. Bilogorodskyy, "3D Monte Carlo Simulation of Phase Separation Kinetics in a Binary Metallic Alloy with Vacancy Mediated Diffusion: Effect of Initial Supersaturation ", Defect and Diffusion Forum, Vol. 277, pp. 161-166, 2008

Online since:

April 2008

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$35.00

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