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Proceedings Paper

Determination of structural heterogeneity of crystals from electron backscatter diffraction images with use of the Fourier energy spectrum
Author(s): Mariana Borcha; Ihor Fodchuk; Mykola Solodkyi; Serhiy Balovsyak; Yurii Roman; Ivan Hutsuliak
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Paper Abstract

A new approach for determining the distribution of mean-square deformations in the local regions of single crystals and polycrystals based on the analysis of electron backscatter diffraction images is proposed. The degree of bands blurring in Kikuchi pattern is related with the deformation values, which are quantitatively described through the changes of average radial period and the radial distribution area for the energy spectrum of the image. It is shown that the complex use of the power Fourier spectrum method in addition to the two-dimensional Fourier transform method create additional opportunities for determination of the influence of technological parameters on the structural homogeneity and the degree of perfection of studied crystals.

Paper Details

Date Published: 6 February 2020
PDF: 12 pages
Proc. SPIE 11369, Fourteenth International Conference on Correlation Optics, 113691I (6 February 2020);
Show Author Affiliations
Mariana Borcha, Chernivtsi National Univ. (Ukraine)
Ihor Fodchuk, Chernivtsi National Univ. (Ukraine)
Mykola Solodkyi, Chernivtsi National Univ. (Ukraine)
Serhiy Balovsyak, Chernivtsi National Univ. (Ukraine)
Yurii Roman, Chernivtsi National Univ. (Ukraine)
Ivan Hutsuliak, Chernivtsi National Univ. (Ukraine)


Published in SPIE Proceedings Vol. 11369:
Fourteenth International Conference on Correlation Optics
Oleg V. Angelsky, Editor(s)

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