Model for coarsening of intergranular precipitates in multicomponent systems

descriptionPublicationkeyboard_double_arrow_right Article 01 May 2010 English Publisher:Elsevier BVJournal:Scripta Materialia, volume 62, pages 754-757 (issn: 1359-6462,

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Authors: J. Svoboda; F.D. Fischer;

doi: 10.1016/j.scriptamat.2010.01.045

Model for coarsening of intergranular precipitates in multicomponent systems

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Abstract

Based on the thermodynamic extremal principle, a model for coarsening of intergranular precipitates in multicomponent systems is developed. The model provides the evolution equations for individual precipitates within the mean-field approach and generalizes the recent models applicable only to a special binary system. Simulations based on the model are performed for precipitates with the starting LSW size distribution, which changes after a certain time to a quasi-stationary one with a t 1 / 4 growth law, in agreement with recent models.

Related Organizations

Czech Academy of Sciences
Czech Republic
University of Leoben
Austria

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