Texture, Stress, and Microstructure

Texture, Stress, and Microstructure / 1988 / Article

Open Access

Volume 7 |Article ID 731941 | https://doi.org/10.1155/TSM.7.231

H. J. Bunge, H. Weiland, "Orientation Correlation in Grain and Phase Boundaries", Texture, Stress, and Microstructure, vol. 7, Article ID 731941, 33 pages, 1988. https://doi.org/10.1155/TSM.7.231

Orientation Correlation in Grain and Phase Boundaries

Received04 Sep 1987

Abstract

The properties of grain and phase boundaries depend on five angular coordinates, i.e. three parameters specifying the orientation difference across the boundary and two parameters specifying the orientation of the boundary normal direction in space or with respect to the crystal lattice. Hence, five-dimensional boundary distribution functions have to be considered. If one considers only misorientation a three-dimensional misorientation distribution function is obtained. The deviation of this function from the #8220;uncorrelated” misorientation distribution yields the orientation correlation function. The most economical representation of these functions is the one using series expansions in terms of symmetrized harmonic functions. With the present state of experimental technique it seems to be impossible to determine the complete boundary distribution functions. However, two-dimensional analoga of these functions can be obtained from electron diffraction measurements.

Copyright © 1988 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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