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Methods for Studying Single-Crystal Aluminum-Oxide Fibers

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The central avenues for studying the fine structure of single-crystal α-Al2O3 fibers obtained by pulling from melt onto a seed (EFG) and with thinning of the feeder by laser radiation (LHPG) are presented. The crystallographic orientation of single-crystal α-Al2O3 fibers was investigated using optical and scanning electron microscopes. It is suggested that x-ray diffraction topography be used to study the degree of perfection of single-crystal α-Al2O3 fibers and to observe the boundaries of blocks and individual dislocations.

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Authors and Affiliations

  1. All-Russia Scientific-Research Institute of Aviation Materials (VIAM), Moscow, Russia

    A. V. Derov, R. S. Kuptsov & V. I. Svistunov

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  1. A. V. Derov
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  2. R. S. Kuptsov
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  3. V. I. Svistunov
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Correspondence to A. V. Derov.

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Translated from Steklo i Keramika, No. 3, pp. 30 – 32, March, 2014.

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Derov, A.V., Kuptsov, R.S. & Svistunov, V.I. Methods for Studying Single-Crystal Aluminum-Oxide Fibers. Glass Ceram 71, 102–104 (2014). https://doi.org/10.1007/s10717-014-9628-8

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  • DOI: https://doi.org/10.1007/s10717-014-9628-8

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