Skip to main content
SpringerLink
Log in

Influence of a transition metal oxide (CuO) on the superplastic behaviour of 8 mol% yttria-stabilised cubic zirconia polycrystal (8Y-CSZ)

  • Published:
Journal of Materials Science Aims and scope Submit manuscript

Abstract

The microstructure and superplastic deformation of fine-grained undoped 8Y-CSZ and 1 wt% CuO doped 8Y-CSZ have been investigated in tension in the temperature range 1503 to 1623 K and strain rate range 5 × 10−5 to 1 × 10−3 s−1. Deformation of the undoped 8Y-CSZ was characterized by large strain-hardening with limited tensile elongations of 20%; this was mainly due to severe grain growth during deformation. The addition of a small amount of a transition metal oxide (CuO) resulted in a decrease in strain-hardening and enhanced tensile elongations up to 78%. The ductility enhancement in the CuO doped 8Y-CSZ was due to copper segregation to grain boundaries, thus facilitating grain boundary sliding. In addition, the enhanced ductility in the doped material was related to a reduction in flow stress which, in turn, suppressed cavitation and delayed fracture.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. F. WAKAI, S. SAKAGUCHI and Y. MATSUN, Adv. Ceram. Mater. 1 (1986) 259.

    Google Scholar 

  2. F. WAKAI, S. SAKAGUCHI, K. KANAYAMA, H. KATO and H. ONISHI, “Ceramic Materials and Components for Engines” (Deutsehe Keramische Gesellschaft, Bad Honnet, 1986) p. 315.

    Google Scholar 

  3. W. R. CANON, W. H. RHODES and A. H. HEUER, J. Am. Ceram. Soc. 63 (1980) 46.

    Google Scholar 

  4. Z. C. WANG, T. J. DAVIES, N. RIDLEY and A. A. OGWU, Acta Mater. 44 (1996) 4301.

    Google Scholar 

  5. F. WAKAI, Y. KODAMA, S. SAKAGUCHI and T. NONAMI, J. Am. Ceram. Soc. 73 (1990) 257.

    Google Scholar 

  6. F. WAKAI and H. KATO, Adv. Ceram. Mater. 3 (1988) 71.

    Google Scholar 

  7. T. G. NIEH, C. M. McNALLY and J. WADSWORTH, Scr. Metall. 23 (1987) 457.

    Google Scholar 

  8. C. K. YOON and W. I. CHEN, J. Am. Ceram. Soc. 73 (1990) 1555.

    Google Scholar 

  9. C. CARRY and A. MOCELLIN, “Deformation of Ceramics II” (Plenum, New York, 1984) p. 391.

    Google Scholar 

  10. F. WAKAI, Y. KODAMA, S. SAKAGUCHI, K. MURAYAMA, K. IZAKI and K. NIIHARA, Nature 344 (1990) 421.

    Google Scholar 

  11. T. ROUXEL, F. WAKAI and K. IZAKI, J. Am. Ceram. Soc. 75 (1992) 2363.

    Google Scholar 

  12. W. J. KIM, J. WOLFENSTINE, G. FROMMEYER and O. D. SHERBY, Scr. Metall. 23 (1989) 1515.

    Google Scholar 

  13. K. KAJIHARA, Y. YOSHIZAWA and T. SAKUMA, ibid. 28 (1993) 559.

    Google Scholar 

  14. I. W. CHEN and L. A. XUE, J. Am. Ceram. Soc. 73 (1990) 2585.

    Google Scholar 

  15. S. TEKELI, PhD Thesis, The University of Manchester and UMIST (1996).

  16. Z. C. WANG, T. J. DAVIES and N. RIDLEY, Scr. Metall. Mater. 28 (1993) 301.

    Google Scholar 

  17. A. M. M. GADALA and J. WHITE, J. Am. Ceram. Soc. 52 (1969) 33.

    Google Scholar 

  18. M. S. SELTER and P. K. TALTY, ibid. 58 (1975) 124.

    Google Scholar 

  19. D. DIMOS and D. L. KOHLSTEDT, ibid. 70 (1987) 531.

    Google Scholar 

  20. F. WAKAI and T. J. NAGONA, Mater. Sci. 26 (1991) 241.

    Google Scholar 

  21. M. F. ASHBY, Acta Metall. 31 (1953) 129.

    Google Scholar 

  22. J. M. FERNANDEZ, M. J. MELENDO and A. P. RODRIGUES, J. Am. Ceram. Soc. 73 (1990) 2452.

    Google Scholar 

  23. D. DIMOS and D. L. KOHLSTEDT, ibid. 70 (1987) 531.

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Materials Science-Centre, University of Manchester/UMIST, Grosvenor Street, Manchester, MI, 7HS, UK

    S. Tekeli & T. I. Davies

Authors
  1. S. Tekeli
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. T. I. Davies
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Tekeli, S., Davies, T.I. Influence of a transition metal oxide (CuO) on the superplastic behaviour of 8 mol% yttria-stabilised cubic zirconia polycrystal (8Y-CSZ). Journal of Materials Science 33, 3267–3273 (1998). https://doi.org/10.1023/A:1013268810031

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/A:1013268810031

Keywords

Search

Navigation