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Thermodynamic stabilities of some β and β″ aluminas

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Abstract

The thermodynamic stabilities of Caβ-alumina, Caβ″-alumina, Laβ-alumina, Kβ-alumina, and Naβ-alumina were determined using a solid state galvanic cell technique. CaO activities in the Caβ-alumina/α-A12O3 and Caβ-alumina/CaO · 2A12O3 coexistences were measured by utilizing Caβ″-alumina solid electrolytes in calcium concentration electrochemical cells. Calcia stabilized zirconia (CSZ) solid electrolytes were used in oxygen concentration cells to determine CaO activities in the Caβ″-alumina/MgO Al2O3/α-Al2O3 coexistence, La2O3 activities in the Laβ-alumina/ α-Al2O3 and Laβ-alumina/La2O3 · A12O3 coexistences, K2O activities in the Kβ-alumina/α-A12O3 coexistence, and Na2O activities in the Naβ-alumina/α-A12O3 coexistence.

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References

  1. Y. F. Y. Yao and J. T. Kummer:J. Inorg. Nucl. Chem., 1967, vol. 29, pp. 2453–75.

    Article  CAS  Google Scholar 

  2. J.T. Kummer:Progr. Solid State Chem., 1972, vol. 1, pp. 141–74.

    Article  Google Scholar 

  3. B. Dunn and G.C. Farrington:Mat. Res. Bull., 1980, vol. 15, pp. 1773–77.

    Article  CAS  Google Scholar 

  4. G.C. Farrington, B. Dunn, and J. L. Briant:Solid State Ionics, 1981, vol. 3/4, pp. 405–08.

    Article  Google Scholar 

  5. R.V. Kumar and D. A. R. Kay:Metall. Trans. B, 1985, vol. 16B, p. 107.

    Article  CAS  Google Scholar 

  6. M. Mizuno, R. Berjoan, J. P. Coutures, and M. Foex:Yogyo-Kyokai-Shi, 1974, vol. 82, no. 12, p. 631.

    CAS  Google Scholar 

  7. M. Mizuno, T. Yamada, and T. Noguchi:Yogyo-Kyokai-Shi, 1977, vol. 85, no. 2, p. 53.

    Google Scholar 

  8. J. Joglekar: M. Eng. Thesis, McMaster University, Hamilton, ON, Canada, 1973.

  9. N.M.H. Fallah: M. Eng. Thesis, McMaster University, Hamilton, ON, Canada, 1977.

  10. N.S. Choudhury:J. Electrochem. Soc., 1973, vol. 120, pp. 1663–67.

    Article  CAS  Google Scholar 

  11. F. A. A. Elrefaie: Ph.D. Thesis, McMaster University, Hamilton, ON, Canada, 1979.

  12. J. A. Little and D. J. Fray:Fast Ion Transport in Solids, Proc. of the Int. Conf. on Fast Ion Transport in Solids, Lake Geneva, WI, May 21-25, 1979, P. Vashishtaet al., eds., pp. 323-27.

  13. G. Ròg, S. Kozinski, and A. Kozlowska-Ròg:Electrochimica Acta, 1981, vol. 26, no. 12, pp. 1819–21.

    Article  Google Scholar 

  14. D.J. Fray:Metall. Trans. B, 1977, vol. 8, pp. 153–56.

    Article  Google Scholar 

  15. A. Dubreuil, M. Malefant, and A.D. Pelton:J. Electrochem. Soc., 1981, vol. 128, pp. 2006–08.

    Article  CAS  Google Scholar 

  16. A. Rog and A. Kozlowska-Ròg:Solid Stale Ionics, 1982, vol. 7, pp. 291–94.

    Article  CAS  Google Scholar 

  17. R.V. Kumar and D.A.R. Kay:Metall. Trans. B, 1985, vol. 16B, p. 287.

    CAS  Google Scholar 

  18. R. V. Kumar: Ph.D. Thesis, McMaster University, Hamilton, ON, Canada, 1984.

  19. O. Kubaschewski and C. B. Alcock:Metallurgical Thermochemistry, 5th ed., Int. Series on Materials Sci. and Tech., G. V. Raynor, ed., 1977, vol. 24, p. 378.

  20. E.T. Turkdogan:Physical Chemistry of High Temperature Technology, Academic Press, 1980, pp. 5-26.

  21. R.K. Dwivedi: Ph.D. Thesis, McMaster University, Hamilton, ON, Canada, 1982.

  22. E. R. Plante, C. D. Olson, and T. Negas:Proc. of the 6th Int. Conf. on MHD Electric Power Generation, Washington, DC, 1975, vol. II, June, p. 211.

  23. I. Eliezar and R.A. Howald:High Temp. Sc., 1978, vol. 10, p. 1.

    Google Scholar 

  24. P. Robins: Undergraduate Project, McMaster University, Hamilton, ON, Canada, 1982.

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Authors and Affiliations

  1. Department of Metallurgy and Materials Science, McMaster University, L8S 4L7, Hamilton, ON, Canada

    R. V. Kumar (Postdoctoral Research Fellow) & D. A. R. Kay (Professor)

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  1. R. V. Kumar
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  2. D. A. R. Kay
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Kumar, R.V., Kay, D.A.R. Thermodynamic stabilities of some β and β″ aluminas. Metall Trans B 16, 295–301 (1985). https://doi.org/10.1007/BF02679720

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  • DOI: https://doi.org/10.1007/BF02679720

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