High Piezoelectric Sensitivity Composites Based on Ferroelectric Ceramics

Abstract

This paper describes the modelling and comparison of 0-3 and 3-3 piezocomposites, including three-component structures such as 0-0-3 systems. The piezoelectric properties are calculated for PbTiO₃ based piezocomposites where the anisotropy factor (-d₃₃/d₃₁) of the piezoelectric can be varied from small to infinitely large values. Maxima of these parameters are determined and factors influencing piezoelectric sensitivity are analysed.

Keywords:

• Composites
• modelling
• piezoelectric

ACKNOWLEDGEMENTS

Financial support by the Research Centre Karlsruhe (Germany) during the stay of one of the authors (V. Yu. T.) at the Research Institute IMF II of the above-mentioned Centre is gratefully acknowledged.