Journal of Materials Science

, Volume 42, Issue 14, pp 5551–5555 | Cite as

Crystal orientation dependence of anelastic relaxation in 8Y-fully stabilized zirconia

  • Yasuhiro Okada
  • Masahito Matsuzawa
  • Susumu HoribeEmail author


Mechanical loss (internal friction) in cubic zirconia was measured in the flexural mode in order to understand the local structure associated with oxygen vacancy. Polycrystal and single crystal with different orientation of longitudinal axis (〈100〉, 〈110〉, 〈111〉) were adopted from 8 mol.% Y2O3 stabilized zirconia (8Y-FSZ), which shows that the internal friction profile depends on crystal orientation. In the present study, furthermore, anelastic strain behavior was also investigated in the single crystal specimens. Anelastic strain productivity is also strongly dependent on crystal orientation like internal friction: 〈100〉 < 〈110〉 < 〈111〉. It is considered that the crystal orientation dependence of internal friction and anelasticity is closely correlated with the behavior of cation–oxygen vacancy complexes. Finally, the mechanism of anelasticity was discussed.


Oxygen Vacancy Y2O3 Internal Friction Crystal Orientation Zirconia Ceramic 



This research was supported by: (1) Grant-in-Aid for Open Research Center Project by the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of the Japanese Government and (2) Waseda University Grant for Special Research Projects (2005B-192). The authors wish to acknowledge these supports.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Yasuhiro Okada
    • 1
  • Masahito Matsuzawa
    • 1
    • 2
  • Susumu Horibe
    • 1
    Email author
  1. 1.Department of Materials Science and EngineeringWaseda UniversityShinjuku-ku, TokyoJapan
  2. 2.Material Development SectionKyocera CorporationSatsumasendai, KagoshimaJapan

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