Abstract
The effect of a 15 vol% zirconia dispersion on the critical current density for failure initiation of beta″-alumina solid electrolyte was examined. Single phase and composite electrolytes were tested in standard sodium-sodium test cells and subjected to increasing ionic currents. Onset of degradation in the electrolyte was detected by monitoring acoustic emissions from the cell. Preliminary examination of the electrolyte material showed that the problem of producing a uniform dispersion of zirconia in pure beta″-alumina had not been solved. However, the electrolytes were of sufficient quality to draw important conclusions about the potential of transformation toughening for improving electrolyte performance.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
R. D. Armstrong, T. Dickenson andJ. Turner,Electrochem. Acta 19 (1984) 187.
R. H. Richman andT. J. Tennenhouse,J. Amer. Ceram. Soc. 58 (1975) 63.
G. J. Tennenhouse, R. C. Ku, R. H. Richman andT. J. Whalen,Ceram. Bull. 54 (1975) 523.
D. K. Shetty, A. V. Virkar andR. S. Gordon, “Fracture Mechanics of Ceramics-4” (Plenum Press, New York, 1978) pp. 651–65.
A. V. Virkar, L. Viswanathan andD. R. Biswas,J. Mater. Sci. 15 (1980) 302.
L. A. Feldman andL. C. De Jonghe,ibid. 17 (1983) 517.
A. V. Virkar andL. Viswanathan,ibid. 18 (1983) 1202.
D. L. Porter, A. G. Evans andA. H. Heuer,Acta Metall. 27 (1979) 1649.
A. G. Evans andA. H. Heuer,J. Amer. Ceram. Soc. 63 (1980) 241.
R. M. McMeeking andA. G. Evans,ibid. 65 (1982) 242.
J. G. P. Binner andR. Stevens,J. Mater. Sci. 20 (1985) 3119.
D. J. Green, “Improved Beta″-Aluminum Oxide Electrolytes Through Transformation Toughening”, Rockwell International Science Center, Technical Report no. SC5324. 11FR, 15 April (1982) to 14 April (1983).
C. A. Worrell andB. A. Redfern,J. Mater. Sci. 13 (1978) 1515.
A. C. Buechele, L. C. De Jonghe andD. Hitchcock,J. Electrochem. Soc. 130 (1983) 1042.
A. G. Evans, “Acoustical Emission Sources in Brittle Solids”, Conference on Acoustic Emissions by the Acoustical Society of American and the Acoustical Society of Japan, Honolulu, HI, 27 November to 1 December (1978).
L. C. De Jonghe andL. Feldman,Mat. Res. Bull. 15 (1980) 782.
A. G. Evans andE. A. Charles,J. Amer. Ceram. Soc. 59 (1976) 371.
D. C. Hitchcock andL. C. De Jonghe,ibid. 66 (1983) C-204.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Olson, D., De Jonghe, L.C. Zirconia-toughened sodium beta″-alumina solid electrolyte. J Mater Sci 21, 4221–4226 (1986). https://doi.org/10.1007/BF01106534
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF01106534