Comparison between molecular dynamics abd Monte Carlo simulations of an ordering process in a binary alloy

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Title:	Comparison between molecular dynamics abd Monte Carlo simulations of an ordering process in a binary alloy
Author:	Frontera Beccaria, Carlos; Vives i Santa-Eulàlia, Eduard
Other authors:	Universitat de Barcelona
Abstract:	Ordering in a binary alloy is studied by means of a molecular-dynamics (MD) algorithm which allows to reach the domain growth regime. Results are compared with Monte Carlo simulations using a realistic vacancy-atom (MC-VA) mechanism. At low temperatures fast growth with a dynamical exponent x>1/2 is found for MD and MC-VA. The study of a nonequilibrium ordering process with the two methods shows the importance of the nonhomogeneity of the excitations in the system for determining its macroscopic kinetics.
Subject(s):	-Aliatges binaris -Dinàmica molecular -Mètode de Montecarlo -Binary systems (Metallurgy) -Molecular dynamics -Monte Carlo method
Rights:	(c) The American Physical Society, 1999
Document type:	Article Article - Published version
Published by:	The American Physical Society through the American Institute of Physics
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