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Phase-Field Simulation of Interface Effect during Grain Nucleation

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Abstract:

In this paper, a phase field model based on Ginzburg-Landau theory is used to analyze the topological phenomena during grain growth. The simulation results show that two topological transformations exist during the grain growth—Neighbor Switching and Grain Annihilation; and we have found different kinds of topological events during the disappearance of a grain: direct vanishing of trilateral grain and pentagonal grain, as well as neighbor switching，which are right with classical topological theory and Euler formula. The simulation results are similar with experiments.

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Periodical:

Advanced Materials Research (Volumes 490-495)

Pages:

3339-3343

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.490-495.3339

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Cite this paper

Online since:

March 2012

Authors:

Fei Huo, Ji Wei Zhao

Keywords:

Grain Growth, Phase-Field Method, Topological Classes

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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