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9 April 2007 Evolution of elastic, dielectric, and piezoelectric coefficients of PZT under electro-mechanical loading
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Abstract
In this study, measurements of the evolving linear elastic, dielectric and piezoelectric moduli of a soft ferroelectric PZT are made during loadings of uniaxial compressive stress combined with an electric field. Using short pulses of electric field and stress, the incremental remanent strain and polarization state of the material and the unloading moduli were determined. The remanent quantities are treated as state variables, with a view to expressing the moduli as functions of the material state. The piezoelectric moduli vary approximately linearly with polarization, whilst the dielectric moduli and elastic compliances show more complex behaviour.
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Q. D. Liu and J. E. Huber "Evolution of elastic, dielectric, and piezoelectric coefficients of PZT under electro-mechanical loading", Proc. SPIE 6526, Behavior and Mechanics of Multifunctional and Composite Materials 2007, 65260F (9 April 2007); https://doi.org/10.1117/12.713606
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