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Surface and grain-boundary energies in yttria-stabilized zirconia (YSZ-8 mol%)

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Abstract

The multiphase equilibration technique has been used to measure the equilibrium angles that develop at the interphase boundaries of a solid-liquid-vapour system after annealing and also the surface (γsv)and the grain-boundary, (γss) energies of polycrystalline yttria-stabilized zirconia (8 mol% Y2O3). The data was recorded in the temperature range 1573–1873 K. Linear temperature functions were obtained for the surface energy

$$\gamma _{SV} (Jm^{ - 2} ) = 1.927 - 0.428x10^{ - 3} T$$

and for the grain-boundary energy

$$\gamma _{SS} (Jm^{ - 2} ) = 1.215 - 0.358x10^{ - 3} T$$

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Authors and Affiliations

  1. Chemical Engineering Department and Institute of Chemical Engineering and High-Temperature Chemical Processes, University of Patras, GR 26500, Patras, Greece

    A. Tsoga & P. Nikolopoulos

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  1. A. Tsoga
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  2. P. Nikolopoulos
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Tsoga, A., Nikolopoulos, P. Surface and grain-boundary energies in yttria-stabilized zirconia (YSZ-8 mol%). J Mater Sci 31, 5409–5413 (1996). https://doi.org/10.1007/BF01159310

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  • DOI: https://doi.org/10.1007/BF01159310

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