Direct handling of sharp interfacial energy for microstructural evolution

Hernández–Rivera, Efraín; Tikare, Veena; Noirot, Laurence; Wang, Lumin

doi:10.1016/j.scriptamat.2014.07.018

Title: Direct handling of sharp interfacial energy for microstructural evolution

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Abstract

In this study, we introduce a simplification to the previously demonstrated hybrid Potts–phase field (hPPF), which relates interfacial energies to microstructural sharp interfaces. The model defines interfacial energy by a Potts-like discrete interface approach of counting unlike neighbors, which we use to compute local curvature. The model is compared to the hPPF by studying interfacial characteristics and grain growth behavior. The models give virtually identical results, while the new model allows the simulator more direct control of interfacial energy.

Authors:

Hernández–Rivera, Efraín ^[1]; Tikare, Veena ^[2]; Noirot, Laurence ^[3]; Wang, Lumin ^[4]

Univ. of Michigan, Ann Arbor, MI (United States); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Saint-Paul lez Durance, Provence-Alpes-Cote-d'Azur (France)
Univ. of Michigan, Ann Arbor, MI (United States)

Publication Date:: Sun Aug 24 00:00:00 EDT 2014

Research Org.:: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:: 1143251

Alternate Identifier(s):: OSTI ID: 1556688

Report Number(s):: SAND-2014-2973J
Journal ID: ISSN 1359-6462; PII: S1359646214003108

Grant/Contract Number:: AC04-94AL85000

Resource Type:: Accepted Manuscript

Journal Name:: Scripta Materialia

Additional Journal Information:: Journal Volume: 92; Journal Issue: C; Related Information: Proposed for publication in Scripta Materialia.; Journal ID: ISSN 1359-6462

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Cahn-Hilliard; curvature driven flux; sharp interface; Monte Carlo

Citation Formats


                    Hernández–Rivera, Efraín, Tikare, Veena, Noirot, Laurence, and Wang, Lumin. Direct handling of sharp interfacial energy for microstructural evolution.  United States: N. p., 2014. 
Web.  doi:10.1016/j.scriptamat.2014.07.018.

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                    Hernández–Rivera, Efraín, Tikare, Veena, Noirot, Laurence, & Wang, Lumin. Direct handling of sharp interfacial energy for microstructural evolution.  United States.  https://doi.org/10.1016/j.scriptamat.2014.07.018

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                    Hernández–Rivera, Efraín, Tikare, Veena, Noirot, Laurence, and Wang, Lumin. Sun .  
"Direct handling of sharp interfacial energy for microstructural evolution".  United States.  https://doi.org/10.1016/j.scriptamat.2014.07.018.  https://www.osti.gov/servlets/purl/1143251.

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@article{osti_1143251,

  title        = {Direct handling of sharp interfacial energy for microstructural evolution},

  author       = {Hernández–Rivera, Efraín and Tikare, Veena and Noirot, Laurence and Wang, Lumin},

  abstractNote = {In this study, we introduce a simplification to the previously demonstrated hybrid Potts–phase field (hPPF), which relates interfacial energies to microstructural sharp interfaces. The model defines interfacial energy by a Potts-like discrete interface approach of counting unlike neighbors, which we use to compute local curvature. The model is compared to the hPPF by studying interfacial characteristics and grain growth behavior. The models give virtually identical results, while the new model allows the simulator more direct control of interfacial energy.},

  doi          = {10.1016/j.scriptamat.2014.07.018},

  journal      = {Scripta Materialia},

  number       = C,

  volume       = 92,

  place        = {United States},

  year         = {Sun Aug 24 00:00:00 EDT 2014},

  month        = {Sun Aug 24 00:00:00 EDT 2014}

}

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