Influence of accounting for translational motion of grains on grain growth kinetics and size distribution

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Abstract

The thermodynamic dissipation-based approach, being one of the approved effective methods for treatment of grain growth, is refined by accounting for dissipation due to translational motion of individual grains during grain growth. The present model introduces an interaction function correlating the velocity of translational motion and the rate of growth for individual grains. The comparison of results of simulations based on the present model with existing phase-field simulations indicates that about 1/4 to 1/3 of the driving force is dissipated by translational motion of grains lowering the grain growth kinetics and changing of the steady state grain radii distribution function.
Original languageEnglish
Pages (from-to)255-259
Number of pages5
JournalScripta Materialia
Volume146.2018
Issue number15 March
Early online date12 Dec 2017
DOIs
Publication statusPublished - 15 Mar 2018

Bibliographical note

Publisher Copyright: © 2017 Acta Materialia Inc.

Keywords

  • Grain boundary migration
  • Grain growth
  • Kinetics
  • Thermodynamics
  • Translational motion of grains

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