Grain growth in ultrafine-grained Y-TZP ceramics


Sagel-Ransijn, C.D. and Winnubst, A.J.A. and Burggraaf, A.J. and Verweij, H. (1997) Grain growth in ultrafine-grained Y-TZP ceramics. Journal of the European Ceramic Society, 17 (9). pp. 1133-1141. ISSN 0955-2219

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Abstract:Grain growth in dense ultrafine-grained (120–600 nm) tetragonal ZrO2-Y2O3 ceramics is studied as a function of temperature. At all temperatures investigated both segregation and phase partitioning occur. It is argued that at temperatures ≤ 1150 °C grain growth is not significantly inhibited by solid solution drag or by phase partitioning. At higher temperatures the grain growth behaviour can be explained by the models of solid solution drag and/or phase partitioning depending on conditions.
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Copyright:© 1997 Elsevier Science
Science and Technology (TNW)
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