Abstract
The internal friction of some ceria stabilized zirconia ceramics were measured in the temperature range of 30-450°C in air using two method, piezoelectric resonance method and forced torsion method. The internal friction was observed for 12%CeO2 doped ZrO2 which was reduced in flowing hydrogen. The doping of CeO2 to cubic ZrO2-Y2O3 suppressed the amplitude of internal friction. The result suggested the lowing effect of CeO2 to the mobility of oxygen in cubic Y2O3-doped zirconia ceramics.
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