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 inT 0 temperature with composition. The nature of the c-t transition is discussed in this paper.
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Sakuma, T. Development of domain structure associated with the diffusionless cubic-to-tetragonal transition in ZrO2-Y2O3 alloys. J Mater Sci 22, 4470–4475 (1987). https://doi.org/10.1007/BF01132049
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DOI: https://doi.org/10.1007/BF01132049