Abstract
The internal friction in particulate ceramic composites of (x)Mn0.4Zn0.6Fe2O4 –(1-x)PbZr0.53Ti0.47O3 (x = 0, 0.1, 0.2, 0.3, 0.4, and 0.6) in the vicinity of the phase transition temperatures was studied. We observed the influence of the composite composition on the exponent that characterizes a temperature dependence of the internal friction near the ferroelectric Curie point. The reason for this influence is shown to be the doping of the PbZr0.53Ti0.47O3 ferroelectric phase with atoms of the Mn04Zn0.6Fe2O4 ferrite phase that occurs during high- temperature sintering of composite samples.
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