Journal of Materials Science

, Volume 43, Issue 21, pp 6834–6839 | Cite as

Anelastic behavior of 8Y-FSZ/Al2O3 composite

  • Rumi Kitazawa
  • Susumu HoribeEmail author
  • Tohru S. Suzuki


This paper has clarified the anelasticity of 8Y-FSZ/α-alumina composites wherein the 8Y-FSZ phases are dispersed like islands. The amount of anelastic strain generated and the manner of anelastic deformation were compared to those of monolithic 8Y-FSZ. The anelastic strains of six kinds of 8Y-FSZ/α-alumina, as well as of monolithic 8Y-FSZ and monolithic α-alumina, were measured. The results showed that the anelastic strain was produced even in the composite where 8Y-FSZ phases existed as islands, and that the more the anelastic strain produced, the higher the volume fraction of 8Y-FSZ. In addition, the composition with a fully densified alumina phase had the effect of inhibiting anelastic strain in the 8Y-FSZ phase.


Scanning Electron Microscope Photograph Porous Alumina Alumina Phase Anelastic Strain Cumulative Plastic Strain 



The authors wish to thank Prof. Y. Kagawa and Dr. T. Tomimatsu at The University of Tokyo and Dr. Y. Sakka at National Institute for Materials Science for their support in the preparation and characterization of the composites. This research was supported by Waseda University Grant for Special Research Project (2006B-142, 2008B-146).


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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Rumi Kitazawa
    • 1
  • Susumu Horibe
    • 1
    Email author
  • Tohru S. Suzuki
    • 2
  1. 1.Department of Materials Science and EngineeringWaseda UniversityTokyoJapan
  2. 2.National Institute for Materials ScienceTsukubaJapan

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