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Abstract <p>The phase composition, microstructure and ceramic properties of zirconium dioxide containing yttrium oxide (2.5 mol %) and aluminum oxide (10 wt %) depending on the amount of lithium-containing additive were studied. It was found that the introduction of a lithium-containing additive leads to the formation of a lithium aluminate phase and an increase in the content of the monoclinic modification of ZrO<sub>2</sub>. Sintered materials were obtained at 1450°C, characterized by an open porosity of less than 0.5%.</p>

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The Influence of Lithium-Containing Additive on the Microstructure, Phase Composition and Properties of Materials of the ZrO2–Y2O3–Al2O3 System

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • D. A. Utkin,
  • T. O. Obolkina,
  • M. A. Goldberg,
  • D. R. Khayrutdinova,
  • S. V. Smirnov,
  • O. S. Antonova,
  • N. O. Donskaya,
  • A. A. Konovalov,
  • A. A. Egorov,
  • S. O. Safonov,
  • D. K. Ivanov,
  • V. S. Komlev

摘要

Abstract

The phase composition, microstructure and ceramic properties of zirconium dioxide containing yttrium oxide (2.5 mol %) and aluminum oxide (10 wt %) depending on the amount of lithium-containing additive were studied. It was found that the introduction of a lithium-containing additive leads to the formation of a lithium aluminate phase and an increase in the content of the monoclinic modification of ZrO2. Sintered materials were obtained at 1450°C, characterized by an open porosity of less than 0.5%.