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Pore and grain boundary migration under a temperature gradient [electronic resource] : A phase-field model study

Published
Washington, D.C. : United States. Dept. of Energy, 2016.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy
Physical Description
Article numbers 035,019 : digital, PDF file
Additional Creators
Idaho National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
In this study, the collective migration behavior of pores and grain boundaries under a temperature gradient is studied for simple single crystal, bi-crystal and polycrystal configurations with a phase-field model formulism. For simulation of the microstructure of solids, composed of pores and grain boundaries, the results indicate that not only the volume fraction of pores, but also its spatial partitioning between the grain boundary junctions and the grain boundary segments appears to be important. In addition to various physical properties, the evolution kinetics, under given temperature gradients, will be strongly influenced with the initial morphology of a poly-crystalline microstructure.
Report Numbers
E 1.99:inl/jou--15-35523
inl/jou--15-35523
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Note
Published through SciTech Connect.
03/16/2016.
"inl/jou--15-35523"
Modelling and Simulation in Materials Science and Engineering 24 3 ISSN 0965-0393 AM
S. B. Biner.
Funding Information
AC07-05ID14517
View MARC record | catkey: 24061540