Phys. Rev. E 58, R4092–R4095 (1998)

Three-dimensional simulations of Ostwald ripening with elastic effects

Abstract

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Celeste Sagui¹, Daniel Orlikowski¹, Andrés M. Somoza², and Christopher Roland¹
¹Department of Physics, North Carolina State University, Raleigh, North Carolina 27695
²Departamento de Fisica, Universidad de Murcia, Apartado Postal 4021, E-30080 Murcia, Spain

Received 7 April 1998; published in the issue dated October 1998

The process of phase separation for quenched, three-dimensional binary alloy systems with coupled elastic fields was investigated with Langevin simulations. The elastic effects are the result of a dilational misfit introduced via inhomogeneities in the elastic constants of the system. A selection criterion for the shape and/or orientation of the domains, based on the different shear moduli, is presented. In addition, the coarsening behavior of the domains is discussed in terms of chemical potential barriers surrounding the precipitates.

URL:

http://link.aps.org/doi/10.1103/PhysRevE.58.R4092

DOI:

10.1103/PhysRevE.58.R4092

PACS:

64.60.Qb, 05.70.Fh, 64.75.+g, 81.30.Mh

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Phys. Rev. E 58, R4092–R4095 (1998)

Three-dimensional simulations of Ostwald ripening with elastic effects