Sintering’85 pp 223-230 | Cite as

Microstructural Features of Transparent PLZT Ceramics

  • M. Kosec
  • D. Kolar
  • B. Stojanović

Abstract

Electro-optical properties of transparent PLZT ceramics are substantially dependent on their microstructure. To obtain a high degree of optical quality it is necessary to produce PLZT free of any second phase including porosity. Critical grain size for optical transparency and dielectric properties must also to be taken into account. A two stage PLZT production process yielding samples of good electro-optical (EO) quality was developed. The method includes sintering in oxygen in the presence of PbO-rich liquid phase and hot-pressing in an air atmosphere. The influence of liquid phase sintering and hot-pressing conditions on the PLZT microstructure are discussed. Conclusions are drawn regarding control of the final grain size in PLZT.

Keywords

Porosity Zirconate Titanate Wolfram 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    W. D. Smith, J. Solid State Chem., 12 (1975) 186.CrossRefGoogle Scholar
  2. 2.
    G. H. Haertling, C. E. Land, J. Am. Ceram. Soc., 54 (1971) 1.CrossRefGoogle Scholar
  3. 3.
    G. H. Haertling., J. Am. Ceram. Soc., 54 (1971), 303.CrossRefGoogle Scholar
  4. 4.
    D. K. McCarthy, R. Brooks, Ferroelectrics, 27 (1980) 183.CrossRefGoogle Scholar
  5. 5.
    K. Okazaki, H. Igarashi, K. Nagata, A. Hasegava, Ferroelectrics, 1 (1974) 153.CrossRefGoogle Scholar
  6. 6.
    G. S. Snow, J. Am. Ceram. Soc., 56 (1973) 91.CrossRefGoogle Scholar
  7. 7.
    G. S. Snow, J. Am. Ceram. Soc., 56 (1973), 479.CrossRefGoogle Scholar
  8. 8.
    A. D. James, P. M. Messer, Trans. J. Br. Ceram. Soc., 11 (1978) 152.Google Scholar
  9. 9.
    K. Nagata, H. Schmitt, K. Stathakis, H. E. Muser, Ceramurgia Int., 3 (1977) 53.CrossRefGoogle Scholar
  10. 10.
    K. Okazaki, I. Ohtsubo, K. Toda, Ferroelectrics, 10 (1976) 195.CrossRefGoogle Scholar
  11. 11.
    K. H. Hardtl, Am. Ceram. Soc. Bull., 54 (1975) 201.Google Scholar
  12. 12.
    G. Wolfram, Ber. Dt. Keram. Ges., 55 (1978) 365.Google Scholar
  13. 13.
    G. H. Haertling, C. E. Land, Ferroelectrics, 3 (1972) 269.CrossRefGoogle Scholar
  14. 14.
    R. Brooks, D. K. McCarthy, Ferroelectrics, 27 (1980) 179.CrossRefGoogle Scholar
  15. 15.
    A. I. Kingon, J. B. Clark, J. Am. Ceram. Soc., 66 (1983) 253.CrossRefGoogle Scholar
  16. 16.
    S. Fushimi, T. Ikeda, J. Am. Ceram. Soc., 50 (1967) 129.CrossRefGoogle Scholar

Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • M. Kosec
    • 1
  • D. Kolar
    • 1
  • B. Stojanović
    • 2
  1. 1.“Jozef Stefan”Institute“E. Kardelj” UniversityLjubljanaYugoslavia
  2. 2.Military Technical InstituteBelgradeYugoslavia

Personalised recommendations