4.7 Article

An advanced level set approach to grain growth - Accounting for grain boundary anisotropy and finite triple junction mobility

Journal

ACTA MATERIALIA
Volume 99, Issue -, Pages 39-48

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2015.07.040

Keywords

Grain growth; Level set; Triple junction mobility; Grain boundary energy

Funding

  1. Deutsche Forschungsgemeinschaft (DFG) within the Reinhart Koselleck-Project [GO 335/44-1]
  2. FZJulich
  3. JARAHPC project [6687]

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The novelty of the proposed level-set approach to grain growth resides in the explicit consideration of structural interfacial elements of the microstructure. The extensions allow to consider anisotropic grain boundary energies and triple junction drag in polycrystalline materials. The simulated predictions were compared to analytical expressions for the growth rate of grains under the influence of a finite triple junction mobility with excellent agreement. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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