Effect of grain boundary width on grain growth in a diffuse-interface field model

Danan Fan, Long Qing Chen, S. P. Chen

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The effect of grain boundary width on grain growth in the diffuse-interface field model is studied by analytical formulations and computer simulations. It has been shown that the grain growth kinetics will be slowed down if the number of grid points is insufficient to resolve the grain boundaries. When there are more then seven grid points in grain boundary regions, the grain growth is independent of the grain boundary width and the motion of a diffuse grain boundary is identical to its sharp-interface limit. The moments of grain side distributions reach stable values in the dynamically scaling regime and they are independent of the grain boundary width. It has been shown that, in addition to lattice anisotropy, coalescence affect the topological distributions.

Original languageEnglish (US)
Pages (from-to)78-84
Number of pages7
JournalMaterials Science and Engineering A
Volume238
Issue number1
DOIs
StatePublished - Oct 30 1997

Fingerprint

Grain growth
Grain boundaries
grain boundaries
grids
Growth kinetics
Coalescence
coalescing
Anisotropy
computerized simulation
moments
formulations
scaling
anisotropy
Computer simulation
kinetics
simulation

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "The effect of grain boundary width on grain growth in the diffuse-interface field model is studied by analytical formulations and computer simulations. It has been shown that the grain growth kinetics will be slowed down if the number of grid points is insufficient to resolve the grain boundaries. When there are more then seven grid points in grain boundary regions, the grain growth is independent of the grain boundary width and the motion of a diffuse grain boundary is identical to its sharp-interface limit. The moments of grain side distributions reach stable values in the dynamically scaling regime and they are independent of the grain boundary width. It has been shown that, in addition to lattice anisotropy, coalescence affect the topological distributions.",
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Effect of grain boundary width on grain growth in a diffuse-interface field model. / Fan, Danan; Chen, Long Qing; Chen, S. P.

In: Materials Science and Engineering A, Vol. 238, No. 1, 30.10.1997, p. 78-84.

Research output: Contribution to journalArticle

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