Advertisement

Journal of Materials Science

, Volume 29, Issue 17, pp 4633–4638 | Cite as

Effect of zirconia (3 mol% yttria) additive on mechanical properties and structure of alumina ceramics

  • O. N. Grigoryev
  • S. A. Firstov
  • O. A. Babiy
  • N. A. Orlovskaya
  • G. E. Homenko
Papers

Abstract

The effects of ZrO2-3 mol% Y2O3 additives containing 7.3, 15, 23.3 and 32 vol% of ZrO2 on σf, KIC, Hv and the microstructure of hot-pressed alumina-based ceramics were investigated. The presence of the m-, t- and t′-ZrO2 phases was discovered by using X-ray diffraction and transmission electron microscopy. An inhomogeneous distribution of Y2O3 in the ZrO2 grains was observed. The variation of the mechanical properties of the ceramics is explained by the influence of different toughening mechanisms and by a change in the structure of the material.

Keywords

Polymer Alumina Microstructure Microscopy Electron Microscopy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    J. Wang and R. Stevens, J. Mater, Sci. 24 (1989) 3421.CrossRefGoogle Scholar
  2. 2.
    Yu. G. Gogotsy, O. N. Grigoryev, N. A. Orlovskaya et al. Ogenupory No. 11 (1989) 10.Google Scholar
  3. 3.
    Idem, ibid. No. 6 (1991) p. 3.Google Scholar
  4. 4.
    O. N. Grigoryev, S. A. Nochevkin and N. A. Stel'mashenko, Zavodskaya laboratoriya No. 3 (1987) 31.Google Scholar
  5. 5.
    R. B. Miller, J. L. Smialer and R. G. Garlick, in “Advances in Ceramics”, Vol. 3, edited by L. W. Hobbs and A. H. Heuer (American Ceramic Society, Columbus, OH, 1981) p. 251.Google Scholar
  6. 6.
    T. Shimada, K. Nagata, M. Hashiba et al. in “Advances in Ceramics”, Vol. 24, edited by S. Somiya, N. Yamamota and H. Yanagida (American Ceramic Society, Columbus, OH, 1988) p. 397.Google Scholar
  7. 7.
    F. Lange, J. Mater, Sci. 17 (1982) 225.CrossRefGoogle Scholar
  8. 8.
    J. K. Gupta, Fract. Mech. Ceram. 4 (1978) 877.Google Scholar
  9. 9.
    M. Yoshimura, Amer. Ceram. Soc. Bull. 67 (1988) 1950.Google Scholar
  10. 10.
    G. Evans and R. M. Cannon, Acta Metall. 34 (1986) 761.CrossRefGoogle Scholar
  11. 11.
    A. H. Heuer, R. Chaim and V. Lantery, ibid. 35 (1987) 661.CrossRefGoogle Scholar
  12. 12.
    R. Cheim, M. Ruhle and A. M. Heuer, J. Amer. Ceram. Soc. 68 (1985) 427.CrossRefGoogle Scholar
  13. 13.
    M. Ruhle, M. L. M a Cartney and N. Claussen, in “Proceedings of International Symposium on Ceramic Materials and Components for Engines”, Lübeck-Travemunde, FRG, 1986, p. 593.Google Scholar
  14. 14.
    N. Claussen, J. Amer. Ceram. Soc. 59 (1976) 49.CrossRefGoogle Scholar
  15. 15.
    V. I. Treiflov, O. N. Grigor'ev and A. M. Shatohin, Doklady AN UkrSSR No. 4 (1981) 836.Google Scholar
  16. 16.
    D. P. N. Hasselman and R. M. Fulrath, in “Ceramic Microstructures”, edited by R. M. Fulrath and J. A. Pask (Wiley, New York, 1968) p. 343.Google Scholar

Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • O. N. Grigoryev
    • 1
  • S. A. Firstov
    • 1
  • O. A. Babiy
    • 1
  • N. A. Orlovskaya
    • 1
  • G. E. Homenko
    • 1
  1. 1.The Institute for Problems of Material ScienceKievUkraine

Personalised recommendations