CONTROL OF THE TETRAGONAL TO MONOCLINIC PHASE TRANSFORMATION OF YTTRIA-DOPED ZIRCONIA CONTAINING CeO//2, CaO AND Al//2O//3 IN AIR AND WATER.

Tsugio Sato, M. Shimada

研究成果: Conference contribution

4 被引用数 (Scopus)

抄録

Yttria doped tetragonal zirconia polycrystals containing CeO//2, CaO and Al//2O//3 were sintered at 1400-1600 degree C for 3 hr, and the mechanical properties and thermal stability of the sintered bodies were evaluated. The degree of the tetragonal-to-monoclinic phase transformation by annealing increased with increasing water vapor pressure by Langmuir type relation and decreased with decreasing the grain size of ZrO//2 and increasing both CeO//2 and Al//2O//3 contents. Dispersion of Al//2O//3 improved the fracture toughness and elasticity of the composites and alloying less than 8 mol% of CeO//2 caused no significant change in the mechanical properties.

本文言語English
ホスト出版物のタイトルUnknown Host Publication Title
編集者W. Bunk, H. Hausner
出版社Verlag Deutsche Keramische Gesellschaft
ページ291-298
ページ数8
ISBN(印刷版)3925543015
出版ステータスPublished - 1986 12 1

ASJC Scopus subject areas

  • Engineering(all)

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