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Glass Physics and Chemistry

, Volume 42, Issue 4, pp 408–413 | Cite as

Porous ceramics based on the ZrO2(Y2O3)–Al2O3 system for filtration membranes

  • L. V. Morozova
  • M. V. Kalinina
  • T. V. Khamova
  • E. A. Vasil’eva
  • O. A. Shilova
Article

Abstract

The results of the studies of the process of fabricating ceramic filtration membranes in the system ZrO2(Y2O3)–Al2O3 are presented. The phase compositions of the precursor powders and sintered ceramics have been investigated and their porous structures have been determined. Two stages of the implementation of the technology were demonstrated: fabrication of substrates with an open porosity ranging from 20 to 47% and pore sizes in the 100–300 nm range, as well as the deposition of nanocrystalline aluminum oxide layers on them. It has been established that the pore size distribution in the membrane layer of α-Al2O3 is unimodal (from 30 to 100 nm).

Keywords

filters zirconium dioxide aluminum oxide porous ceramics membrane layer 

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Copyright information

© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  • L. V. Morozova
    • 1
  • M. V. Kalinina
    • 1
  • T. V. Khamova
    • 1
  • E. A. Vasil’eva
    • 2
  • O. A. Shilova
    • 1
  1. 1.Grebenshchikov Institute of Silicate ChemistryRussian Academy of SciencesSt. PetersburgRussia
  2. 2.Military Institute of the Railway Forces and Military CommunicationsPetergofRussia

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