Medical Ceramics from Powders of the System Al2O3–ZrO2–Y2O3 Obtained on an Installation of Nanospray Drying

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This work shows the possibility of obtaining Al2O3–ZrO2–Y2O3 medical ceramics from powders synthesized by nanospray drying. The powder is spheres with a uniform distribution of components: mixed oxides. It is shown that yttrium oxide, in addition to stabilizing the tetragonal phase of zirconium oxide in ceramics, causes a more deagglomerated structure of particles and, as a result, increases the degree of shrinkage of ceramics and the final temperature of active sintering from 1252 to 1468°C. The ceramics obtained by cold pressing with subsequent sintering have a hardness of 15.31 GPa and density of 92.8%; those obtained by the sintering method in spark discharge plasma have a hardness of 16.05 GPa and density of 99.21%.

Original languageEnglish
Pages (from-to)337-343
Number of pages7
JournalNanotechnologies in Russia
Issue number5-6
Publication statusPublished - 1 May 2018

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Engineering(all)

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