Gradient Structure Formation in the Subsurface Layers of a ZrO2(Y)–Al2O3 Ceramic Material Under Low-Energy, High-Current Electron Beams

Abstract

The role of a low-energy, high-current electron beam on the microstructural state of subsurface layers of a composite ZrO₂(Y)–Al₂O₃ ceramic material is investigated. It is found out that irrespective of the initial porosity of the ceramic material an electron beam treatment gives rise to formation of a characteristic microstructure in the subsurface layers of the specimens. Grains are observed to orient towards the specimen surface. The layers immediately below the surface are characterized by finer grains than those in the bulk.

Original language	English
Pages (from-to)	738-741
Number of pages	4
Journal	Russian Physics Journal
Volume	57
Issue number	6
DOIs	https://doi.org/10.1007/s11182-014-0298-3
Publication status	Published - 2014

Keywords

composite ceramics
electron beams
microstructure
zirconium dioxide

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1007/s11182-014-0298-3

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Surzhikov, A. P., Frangulyan, T. S., & Ghyngazov, S. A. (2014). Gradient Structure Formation in the Subsurface Layers of a ZrO₂(Y)–Al₂O₃ Ceramic Material Under Low-Energy, High-Current Electron Beams. Russian Physics Journal, 57(6), 738-741. https://doi.org/10.1007/s11182-014-0298-3

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abstract = "The role of a low-energy, high-current electron beam on the microstructural state of subsurface layers of a composite ZrO2(Y)–Al2O3 ceramic material is investigated. It is found out that irrespective of the initial porosity of the ceramic material an electron beam treatment gives rise to formation of a characteristic microstructure in the subsurface layers of the specimens. Grains are observed to orient towards the specimen surface. The layers immediately below the surface are characterized by finer grains than those in the bulk.",

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author = "Surzhikov, {Anatoly Petrovich} and Frangulyan, {T. S.} and Ghyngazov, {S. A.}",

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AU - Ghyngazov, S. A.

PY - 2014

Y1 - 2014

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AB - The role of a low-energy, high-current electron beam on the microstructural state of subsurface layers of a composite ZrO2(Y)–Al2O3 ceramic material is investigated. It is found out that irrespective of the initial porosity of the ceramic material an electron beam treatment gives rise to formation of a characteristic microstructure in the subsurface layers of the specimens. Grains are observed to orient towards the specimen surface. The layers immediately below the surface are characterized by finer grains than those in the bulk.

KW - composite ceramics

KW - electron beams

KW - microstructure

KW - zirconium dioxide

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