Internal friction phenomena in composites based on PZT-type ferroelectric powder and ferrites

Radosław Zachariasz (), Dariusz Bochenek and Joanna Bartkowska
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Radosław Zachariasz: University of Silesia, Institute of Technology and Mechatronics
Dariusz Bochenek: University of Silesia, Institute of Technology and Mechatronics
Joanna Bartkowska: University of Silesia, Institute of Technology and Mechatronics

The European Physical Journal B: Condensed Matter and Complex Systems, 2016, vol. 89, issue 2, 1-4

Abstract: Abstract The aim of the work was to determine the phenomena of internal friction (mechanical losses) occurring in ferroelectric-ferromagnetic composites created based on PZT-type ferroelectric powder and ferrite. The composites were obtained using ceramic powders – multi-component PZT-type solid solutions with ferroelectric properties. Their magnetic component included zinc-nickel powder Ni0.64Zn0.36Fe2O4. 30 × 10 × 1 mm3 test specimens were obtained using free sintering. Temperature Q -1(T) and amplitude Q -1(ε) internal friction dependencies were determined. Wide high temperature maxima were observed with regard to the internal friction temperature dependencies obtained for the tested specimens. The conducted measurements of amplitude (isothermal) dependencies of internal friction Q -1(ε) for the tested composites have allowed for interpreting the previously observed maximum on the temperature dependencies of internal friction.

Date: 2016
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DOI: 10.1140/epjb/e2015-60490-9

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