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Kinetics of a Grain in a Textured Matrix

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Abstract:

The multiplicity and variety of grain shapes in three-dimensional polycrystalline metals makes their energetic and kinetic analyses difficult. To help simplify the analysis of isotropic polycrystals, average N-hedra (ANHs) (N=3,4,5,…∞) were created as a set of regular polyhedra, consisting of N identical faces, which act as topological “proxies” for analyzing the corresponding class of irregular grains containing mixed faces of the same number. This paper outlines a further generalization of the ANH concept that extends three-dimensional analysis to include the growth or shrinkage of a small population of grains embedded in a textured matrix.

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Periodical:

Materials Science Forum (Volumes 558-559)

Pages:

625-632

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.558-559.625

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Online since:

October 2007

Authors:

Martin E. Glicksman, Paulo Rangel Rios, Daniel Lewis

Keywords:

Abnormal Grain Growth, Grain Growth, Polycrystals, Texture

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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