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

doi:10.1088/0965-0393/24/3/035019

Title: Pore and grain boundary migration under a temperature gradient: A phase-field model study

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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.

Authors:

Biner, S. B. ^[1]

Idaho National Lab. (INL), Idaho Falls, ID (United States)

Publication Date:: 2016-03-16

Report Number(s):: INL/JOU-15-35523
Journal ID: ISSN 0965-0393

Grant/Contract Number:: AC07-05ID14517

Type:: Accepted Manuscript

Journal Name:: Modelling and Simulation in Materials Science and Engineering

Additional Journal Information:: Journal Volume: 24; Journal Issue: 3; Journal ID: ISSN 0965-0393

Publisher:: IOP Publishing

Research Org:: Idaho National Lab. (INL), Idaho Falls, ID (United States)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; phase-field model; pore and grain boundary migration

OSTI Identifier:: 1294278


                    Biner, S. B.. Pore and grain boundary migration under a temperature gradient: A phase-field model study.  United States: N. p.,  
        Web.  doi:10.1088/0965-0393/24/3/035019.

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                    Biner, S. B.. Pore and grain boundary migration under a temperature gradient: A phase-field model study.  United States.  doi:10.1088/0965-0393/24/3/035019.

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                    Biner, S. B.. 2016.  
        "Pore and grain boundary migration under a temperature gradient: A phase-field model study".  United States.  
        doi:10.1088/0965-0393/24/3/035019.  https://www.osti.gov/servlets/purl/1294278.

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@article{osti_1294278,

  title        = {Pore and grain boundary migration under a temperature gradient: A phase-field model study},

  author       = {Biner, S. B.},

  abstractNote = {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.},

  doi          = {10.1088/0965-0393/24/3/035019},

  journal      = {Modelling and Simulation in Materials Science and Engineering},

  number       = 3,

  volume       = 24,

  place        = {United States},

  year         = {2016},

  month        = {3}

}

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10.1088/0965-0393/24/3/035019
https://doi.org/10.1088/0965-0393/24/3/035019

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