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Phase composition and properties of plasma-sprayed zirconia thermal barrier coatings

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Abstract

The use of X-ray diffraction combined with TEM analysis has been used to study the crystalline structure and change in phase composition of zirconia coatings containing 6–12 wt% Y2O3. The optimum composition for maximum durability, observed for coatings within this composition range, is believed to be related to the microstructure developed on rapid cooling and to the volume fractions of t′, c and m phases formed during the evolution of the coating. The amount of these phases present in commercial thermal barrier coatings has been determined using X-ray diffraction and the mechanisms of toughening deduced from TEM examination of the sections of the coatings. The results obtained are discussed in relation to the degree of toughness and hence the thermal shock resistance which is a major factor in determining service life.

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References

  1. P. A. Evans, R. Stevens andJ. G. P. Binner,Brit. Ceram. Trans. J. 83 (1984) 39.

    CAS  Google Scholar 

  2. H. Toraya, M. Yoshimura andS. Somiya,J. Amer. Ceram. Soc. 67 (1984) C-183.

    Google Scholar 

  3. R. A. Millar, R. G. Smialek andR. G. Garlick, “Advances in Ceramics”, Vol. 3, “Science and Technology of Zirconia” edited by A. H. Heuer and L. W. Stobbs (American Ceramic Society, Columbus, Ohio, 1981) p. 241.

    Google Scholar 

  4. H. G. Scott,J. Mater. Sci. 10 (1975) 1527.

    Article  CAS  Google Scholar 

  5. B. D. Cullity, “Elements of X-ray Diffraction” (Addison-Wesley, Reading, MA, 1956).

    Google Scholar 

  6. J. R. Brandon andR. Taylor, in “Proceedings of the International Conference on Materials '87”, London, 1987 (Institute of Metals, London) pp. 69–77.

    Google Scholar 

  7. N. Ravi Shankar, H. Herman andC. C. Berndt,Ceram. Engng Sci. Proc. 4 (1983) 784.

    CAS  Google Scholar 

  8. R. Chaim, M. Ruhle andA. H. Heuer,J. Amer. Ceram. Soc. 68 (1985) 427.

    CAS  Google Scholar 

  9. V. Lanteri, A. H. Heuer andT. E. Mitchel,Adv. Ceram. 12 (1984) 118.

    CAS  Google Scholar 

  10. R. C. Garvie, R. H. Hannink andR. T. Pascoe,Nature 258 (1975) 703.

    Article  CAS  Google Scholar 

  11. A.-H. Heuer andM. Ruhle, “Advances in Ceramics”, Vol. 12, “Science and Technology of Zirconia II” (American Ceramic Society, Columbus, Ohio) (1984) p. 1.

    Google Scholar 

  12. M. Ruhle, N. Claussen andA. H. Heuer, (eds),ibid. 12 (1984) 352.

    Google Scholar 

  13. G. W. Heintze andR. McPherson, “Advances in Ceramics”, Vol. 24a, “Science and Technology of Zirconia III”, (American Ceramic Society, Westerville, Ohio, 1986) p. 431.

    Google Scholar 

  14. C. C. Berndt andH. Herman, “Proceedings of the 10th International Conference on Thermal Spraging, Essen, FRG, DVS (German Welding Society, 1983) pp. 175–179.

  15. P. A. Siemers andR. L. Mehan,Ceram. Engng Sci. Proc. 4 (1982) 828.

    Article  Google Scholar 

  16. R. L. Mullen, B. L. Vleck, R. C. Hendricks andG. M. McDonald,Ceram. Engng Sci. Proc. 8 (1987) 582.

    Google Scholar 

  17. D. P. H. Hasselman,J. Amer. Ceram. Soc. 52 (1969) 600.

    CAS  Google Scholar 

  18. A. G. Evans,Adv. Ceram. 12 (1984) 193.

    CAS  Google Scholar 

Download references

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Author notes

  1. P. D. Harmsworth

    Present address: Central Laboratories, Tioxide Group plc, Portrack Lane, Stockton-on-Tees, UK

Authors and Affiliations

  1. School of Materials, University of Leeds, LS2 9JT, Leeds, UK

    P. D. Harmsworth & R. Stevens

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  1. P. D. Harmsworth
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  2. R. Stevens
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Harmsworth, P.D., Stevens, R. Phase composition and properties of plasma-sprayed zirconia thermal barrier coatings. J Mater Sci 27, 611–615 (1992). https://doi.org/10.1007/BF02403868

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  • DOI: https://doi.org/10.1007/BF02403868

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