A Phase-Field Model for Grain Growth

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Description

A phase-field model for grain growth is briefly described. In this model, a poly-crystalline microstructure is represented by multiple structural order parameter fields whose temporal and spatial evolutions follow the time-dependent Ginzburg-Landau (TDGL) equations. Results from phase-field simulations of two-dimensional (2D) grain growth will be summarized and preliminary results on three-dimensional (3D) grain growth will be presented. The physical interpretation of the structural order parameter fields and the efficient and accurate semi-implicit Fourier spectral method for solving the TDGL equations will be briefly discussed.

Physical Description

12 p.

Creation Information

Chen, L.Q.; Fan, D.N. & Tikare, V. December 23, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

A phase-field model for grain growth is briefly described. In this model, a poly-crystalline microstructure is represented by multiple structural order parameter fields whose temporal and spatial evolutions follow the time-dependent Ginzburg-Landau (TDGL) equations. Results from phase-field simulations of two-dimensional (2D) grain growth will be summarized and preliminary results on three-dimensional (3D) grain growth will be presented. The physical interpretation of the structural order parameter fields and the efficient and accurate semi-implicit Fourier spectral method for solving the TDGL equations will be briefly discussed.

Physical Description

12 p.

Notes

OSTI as DE00003252

Medium: P; Size: 12 pages

Source

  • International Conference on Grain Growth, Pittsburg, PA (US), 06/14/1999--06/19/1999

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Identifier

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  • Report No.: SAND99-0076C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 3252
  • Archival Resource Key: ark:/67531/metadc677294

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Creation Date

  • December 23, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

Description Last Updated

  • April 6, 2017, 8:07 p.m.

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Chen, L.Q.; Fan, D.N. & Tikare, V. A Phase-Field Model for Grain Growth, article, December 23, 1998; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc677294/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.