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AC Conductivity Based Microstructural Characterization of Yttria Stabilized Zirconia
Published online by Cambridge University Press: 17 March 2011
Abstract
AC conductivity experiments, or Impedance Spectroscopy, at temperatures between 100 and 400°C, made on 8 mole % Yttria Stabilized Zirconia (8YSZ) with different grain sizes, are presented. The results are analyzed using Effective Media Theories, the Brick Layer Model and percolation theory. The results obtained are satisfactory, only if the measured frequency dependant complex conductivity parameters of the grains are inserted in the equations.
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- Copyright © Materials Research Society 2002
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