Optical and mechanical properties of transparent polycrystalline MgAl2O4 spinel depending on SPS conditions

Oleg Khasanov, Edgar Dvilis, Alexey Khasanov, Elena Fedorovna Polisadova, Artem Kachaev

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Abstract

Optical and mechanical properties of transparent ceramic MgAl2O4 spinel versus SPS conditions have been investigated. Syntheses kinetics of MgAl2O4 has been studied at different heating duration, pressure force. Behaviour of spinel transparency, density, elasto-plastic properties in depend on the mentioned terms has been studied. High transparency (72.6% at wavelength of 555 nm) and high mechanical properties (fracture toughness of 2.4 MPa × m1/2, microhardness of 18.52 GPa, Young's modulus of 212 GPa) have been achieved by decreasing the sintering duration and optimization of the pressing force.

Original languageEnglish
Pages (from-to)918-920
Number of pages3
JournalPhysica Status Solidi (C) Current Topics in Solid State Physics
Volume10
Issue number6
DOIs
Publication statusPublished - Jun 2013

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Keywords

  • MgAlO
  • Spark plasma sintering
  • Spinel
  • Transparent ceramic

ASJC Scopus subject areas

  • Condensed Matter Physics

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