CONTROL OF THE TETGRAGONAL-TO-MONOCLINIC PHASE TRANSFORMATION OF YTTRIA-DOPED TETRAGONAL ZrO//2 POLYCRYSTALS BY ANNEALING IN WATER.

T. Sato, M. Shimada

Research output: Contribution to journalConference articlepeer-review

7 Citations (Scopus)

Abstract

The tetragonal-to-monoclinic phase transformation of yttria-doped tetragonal ZrO//2 polycrystals by annealing in humid atmosphere and hot aqueous solutions at 80-600 degree C was studied. Three approaches, decreasing the grain size, dispersing 0-40 wt% Al//2O//3 and alloying ZrO//2(Y//2O//3) with 0-20 wt% CeO//2 were examined to control the tetragonal-to-monoclinic phase transformation. The amount of the monoclinic phase formed decreased with decreasing the grain size of ZrO//2 and with increasing the concentrations of dispersed Al//2O//3 and CeO//2 in solid solution.

Original languageEnglish
Pages (from-to)151-158
Number of pages8
JournalBritish Ceramic Proceedings
Issue number37
Publication statusPublished - 1986 Oct 1

ASJC Scopus subject areas

  • Engineering(all)

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