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

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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.
Seiten (von - bis)255-259
FachzeitschriftScripta Materialia
Ausgabenummer15 March
Frühes Online-Datum12 Dez. 2017
PublikationsstatusVeröffentlicht - 15 März 2018

Bibliographische Notiz

Funding Information:
Financial support by the Austrian Federal government (in particular from the Bundesministerium für Verkehr, Innovation and Technologie and the Bundesministerium für Wirtschaft und Arbeit) and the Styrian Provincial Government, represented by Österreichische Forschungsförderungsgesellschaft mbH and by Steirische Wirtschaftsförderungsgesellschaft mbH, within the research activities of the K2 Competence Centre on “Integrated Research in Materials, Processing and Product Engineering”, operated by the Materials Center Leoben Forschung GmbH in the framework of the Austrian COMET Competence Centre Programme, Projects A1.23 and A2.32, is gratefully acknowledged.

Funding Information:
J.S. gratefully acknowledges the financial support by the Czech Science Foundation in the frame of the Project 17-01641S.

Publisher Copyright:
© 2017 Acta Materialia Inc.

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