Complex electro-mechanical parameters and features of the microstructure of porous piezoceramics of the lead zirconate-titanate system

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Abstract

The microstructure features and complex electromechanical parameters of porous piezoelectric ceramics based on the lead zirconate-titanate system with different relative porosities and pore sizes were studied. It was revealed that the microstructural features of porous piezoceramics define the character of the porosity dependences of electromechanical properties of porous piezoelectric ceramics.

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About the authors

N. A. Shvetsova

Southern Federal University

Author for correspondence.
Email: nashvecova@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

I. A. Shvetsov

Southern Federal University

Email: nashvecova@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

E. I. Petrova

Southern Federal University

Email: nashvecova@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

D. I. Makarev

Southern Federal University

Email: nashvecova@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

M. A. Marakhovsky

Southern Federal University

Email: nashvecova@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

A. N. Rybyanets

Southern Federal University

Email: nashvecova@sfedu.ru
Russian Federation, Rostov-on-Don, 344090

References

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2. Fig. 1. SEM images of the microstructure of dense (a) and porous (b) piezoceramics with a relative porosity of 37% of the same composition Pb0.95Sr0.05Ti0.47Zr0.53O3 + 1% Nb2O5.

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3. Fig. 2. Dependences of the real and imaginary parts of the elastic modulus (a) and permittivity (b) on the relative porosity p for porous piezoceramics of the composition Pb0.95Sr0.05Ti0.47Zr0.53O3 + 1% Nb2O5.

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4. Fig. 3. Dependences of the real and imaginary parts of the electromechanical coupling coefficient (a) and the piezoelectric constant (b) on the relative porosity p for porous piezoceramics of the composition Pb0.95Sr0.05Ti0.47Zr0.53O3 + 1% Nb2O5.

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