Journal of Materials Science

, Volume 29, Issue 9, pp 2425–2430 | Cite as

Ionic conductivity of Na, K and Ag β″-alumina-ZrO2 composites

  • S. M. Park
  • E. E. Hellstrom


Composite samples of Na β″-alumina with 15 vol % Zr02 stabilized with 4.5 wt % Y2O3 were fabricated using two sintering schedules. K and Ag β″-alumina composites were prepared from the Na β″-alumina composite by ion exchange. The ionic conductivities of the Na, K, and Ag composites at 300 °C were 1.3×10−1, 5.9×10−2 and 6.8×10−3 S cm−1, respectively. K1c for the K composite was as high as 3.7 MPam1/2.


Polymer Alumina Ionic Conductivity Y2O3 Material Processing 
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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • S. M. Park
    • 1
    • 2
  • E. E. Hellstrom
    • 1
  1. 1.Department of Materials Science and EngineeringUniversity of Wisconsin-MadisonMadisonUSA
  2. 2.Department of Materials EngineeringHankuk Aviation UniversityKyonggi-DoKorea

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