Paper Title:
Effect of Dopant on Phase Stability of Zirconia in Hot Water
  Abstract

The effect of cation dopant on tetragonal to monoclinic (t-m) phase transformation of zirconia is examined, which causes the degradation of zirconia in vivo. The transformation behavior is much different depending of the dopant. The transformation is promoted when the pentavalent element is added. In contrast, the transformation is suppressed when the bivalent element is added. In case the tetravalent element is added, the transformation is promoted if the ionic radius of the element is larger than that of zirconium, and that is suppressed if the element with smaller ionic radius is added. The valence and the ionic radius of dopant must be important factors for the phase stability of zirconia.

  Info
Periodical
Key Engineering Materials (Volumes 309-311)
Main Theme
Edited by
Takashi Nakamura, Kimihiro Yamashita and Masashi Neo
Pages
1231-1234
DOI
10.4028/www.scientific.net/KEM.309-311.1231
Citation
Y. Naka, Y. Takigawa, K. Higashi, "Effect of Dopant on Phase Stability of Zirconia in Hot Water", Key Engineering Materials, Vols. 309-311, pp. 1231-1234, 2006
Online since
May 2006
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Price
$32.00
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