On the use of non-MPB lead zirconium titanate (PZT) granules for piezoelectric ceramic–polymer sensorial composites

Journal article (2016)

Authors

A. Shaji Karapuzha Support Aerospace Engineering
N. Kunnamkuzhakkal James Novel Aerospace Materials - Aerospace Engineering
S. van der Zwaag Novel Aerospace Materials - Aerospace Engineering
W.A. Groen Novel Aerospace Materials - Aerospace Engineering , TNO
Research Group
Novel Aerospace Materials (Aerospace Engineering) (TU Delft)
Copyright: © 2016 A. Shaji Karapuzha, N. Kunnamkuzhakkal James, S. van der Zwaag, W.A. Groen
DOI: https://doi.org/10.1007/s10854-016-5029-9
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Published Date

01-09-2016

Language

English

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Faculty

Aerospace Engineering

Department

Aerospace Structures & Materials

Research Group

Novel Aerospace Materials

Abstract

Modern flexible and sensitive sensors based on polymer–ceramic composites employ lead zirconate titanate (PZT) granulates having the morphotropic phase boundary (MPB) composition as the piezo active ingredient, as this composition gives the best properties in fully ceramic piezoelectric sensors. In this study, the possibility of using PZT granulates with compositions, which are not in the MPB region of the PZT phase diagram was investigated. Random 0–3 PZT–epoxy composites were prepared for the complete composition range of PZT ceramics [Pb(ZrxTi(1−x))0.99Nb0.01O3] with x ranging from x = 0 to x = 0.80. Piezoelectric and dielectric properties of such composites were systematically studied. It is shown that the highest voltage sensitivity (i.e. g33) of the piezoelectric composites is obtained for composition with much lower Zr levels (x 

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