Journal of Materials Science

, Volume 22, Issue 12, pp 4470–4475 | Cite as

Development of domain structure associated with the diffusionless cubic-to-tetragonal transition in ZrO2-Y2O3 alloys

  • T. Sakuma
Papers

Abstract

Microstructural change associated with the diffusionless cubic-to-tetragonal (c-t) transition was examined in arc-melted ZrO2-Y2O3 alloys with yttria content 3 to 5 mol %. It was found that a two-step microstructural change occurred during the transition. A domain structure with antiphase domain boundary-like contrast is formed initially and plate-like or lenticular features later. The domain size decreases with increasing yttria content of the alloy. The change of domain size seems to be related to the change inT0 temperature with composition. The nature of the c-t transition is discussed in this paper.

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Copyright information

© Chapman and Hall Ltd. 1987

Authors and Affiliations

  • T. Sakuma
    • 1
  1. 1.Department of Materials Science, Faculty of EngineeringThe University of TokyoBunkyoku Hongou, TokyoJapan

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