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

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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.

Original languageEnglish
Pages (from-to)738-741
Number of pages4
JournalRussian Physics Journal
Volume57
Issue number6
DOIs
Publication statusPublished - 2014

Keywords

  • composite ceramics
  • electron beams
  • microstructure
  • zirconium dioxide

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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