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Development of spatial correlations during coarsening

Abinandanan, TA and Johnson, WC (1995) Development of spatial correlations during coarsening. In: of the Indo-US Workshop on Nucleation and Growth in Solids, 14-16 March 1994, Bangalore, India, pp. 169-176.

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Official URL: http://dx.doi.org/10.1016/0921-5107(95)03007-7


We have studied, using computer simulations, the role of elastic interactions in the development of spatial correlations among coherent misfitting second-phase particles during coarsening. Our simulations show that at small particle sizes, the coarsening behaviour is under capillary control; in this regime, the spatial correlations among the particles are characterized by the presence of large particles in the neighbourhood of small particles and vice versa. As the particle size increases, however, the elastic interactions among the particles become progressively more dominant. These elastic interactions destroy the spatial correlations already established during prior coarsening under capillary control. They help establish new correlations characterized by clustering of favourably oriented and similar sized particles

Item Type: Conference Paper
Publisher: Elsevier Science B.V.
Additional Information: Copyright of this article belongs to Elsevier Science B.V.
Keywords: Phase transitions;Coarsening;Microstructural development;Elastic stress effects
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 19 Sep 2007
Last Modified: 22 Feb 2012 08:14
URI: http://eprints.iisc.ac.in/id/eprint/10954

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