Thermal expansion coefficient of yttria stabilized zirconia for various yttria contents

Hideko Hayashi, Tetsuya Saitou, Naotaka Maruyama, Hideaki Inaba, Katsuyuki Kawamura, Masashi Mori

Research output: Contribution to journalArticle

200 Citations (Scopus)

Abstract

Thermal expansion coefficients of yttria stabilized zirconia(YSZ) with the Y 2O 3 content of 3, 6, 8 and 10 mol% were measured using a push-rod type dilatometer in the temperature range from 103 to 876 K. The thermal expansion coefficient of YSZ decreased with the increase of the Y 2O 3 content. The thermal expansion coefficient of YSZ was theoretically estimated for the various Y 2O 3 contents using the values of isochoric heat capacity, molar volume, isothermal bulk modulus and the Gruneisen constant in a good agreement with the experimental results. Among the physical properties, the bulk modulus is considered to be mainly responsible for decreasing the thermal expansion coefficient of YSZ with the increase of Y 2O 3 content. The doping effect of Y 2O 3 in YSZ on the thermal expansion coefficient was discussed using a molecular dynamics simulation.

Original languageEnglish
Pages (from-to)613-619
Number of pages7
JournalSolid State Ionics
Volume176
Issue number5-6
DOIs
Publication statusPublished - Feb 14 2005
Externally publishedYes

Fingerprint

Yttrium oxide
Yttria stabilized zirconia
yttria-stabilized zirconia
Thermal expansion
thermal expansion
coefficients
bulk modulus
Elastic moduli
Gruneisen constant
extensometers
Dilatometers
Density (specific gravity)
Specific heat
Molecular dynamics
rods
Physical properties
physical properties
Doping (additives)
yttria
specific heat

Keywords

  • Doping effect
  • Molecular dynamics simulation
  • Thermal expansion coefficient
  • YSZ
  • Yttria stabilized zirconia

ASJC Scopus subject areas

  • Electrochemistry
  • Physical and Theoretical Chemistry
  • Energy Engineering and Power Technology
  • Materials Chemistry
  • Condensed Matter Physics

Cite this

Hayashi, H., Saitou, T., Maruyama, N., Inaba, H., Kawamura, K., & Mori, M. (2005). Thermal expansion coefficient of yttria stabilized zirconia for various yttria contents. Solid State Ionics, 176(5-6), 613-619. https://doi.org/10.1016/j.ssi.2004.08.021

Thermal expansion coefficient of yttria stabilized zirconia for various yttria contents. / Hayashi, Hideko; Saitou, Tetsuya; Maruyama, Naotaka; Inaba, Hideaki; Kawamura, Katsuyuki; Mori, Masashi.

In: Solid State Ionics, Vol. 176, No. 5-6, 14.02.2005, p. 613-619.

Research output: Contribution to journalArticle

Hayashi, H, Saitou, T, Maruyama, N, Inaba, H, Kawamura, K & Mori, M 2005, 'Thermal expansion coefficient of yttria stabilized zirconia for various yttria contents', Solid State Ionics, vol. 176, no. 5-6, pp. 613-619. https://doi.org/10.1016/j.ssi.2004.08.021
Hayashi, Hideko ; Saitou, Tetsuya ; Maruyama, Naotaka ; Inaba, Hideaki ; Kawamura, Katsuyuki ; Mori, Masashi. / Thermal expansion coefficient of yttria stabilized zirconia for various yttria contents. In: Solid State Ionics. 2005 ; Vol. 176, No. 5-6. pp. 613-619.
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