Superplastic properties of a fine-grained yttria-stabilized tetragonal polycrystal of zirconia

  • Nieh T
  • McNally C
  • Wadsworth J
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Abstract

Superplasticity in fine-grained Y-TZP, as first reported by Wakai et al. has been demonstrated to be reproducible. In addition, in the present study, a new, high elongation value of 350% has been obtained at 1550°C. The microstructure of the Y-TZP appears to be stable at 1450°C, but grain growth takes place in specimens tested at 1550°C. © 1988.

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