Issue |
Eur. Phys. J. Appl. Phys.
Volume 97, 2022
Special issue on ‘Materials for Energy Harvesting, Conversion, Storage, Environmental Engineering and Sustainability’, edited by M. El Ganaoui, M. El Jouad, R. Bennacer and J.M. Nunzi
|
|
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Article Number | 63 | |
Number of page(s) | 13 | |
Section | Physics of Energy Transfer, Conversion and Storage | |
DOI | https://doi.org/10.1051/epjap/2022220091 | |
Published online | 21 September 2022 |
https://doi.org/10.1051/epjap/2022220091
Regular Article
Modeling of nonlinear and hysteretic behaviors in the ferroelectric materials under strong electrical and mechanical driving levels
Laboratoire des Sciences de l'Ingénieur Pour l'Energie (LabSIPE), ENSA, 24002 El-Jadida, Morocco
* e-mail: rjafallah.a@ucd.ac.ma
Received:
28
March
2022
Received in final form:
18
June
2022
Accepted:
22
July
2022
Published online: 21 September 2022
The ferroelectric materials have been used in several piezoelectric sensors and actuators applications. Under strong mechanical and electrical driving levels, the nonlinear behavior of these ferroelectric materials can be described by the second order piezoelectric constitutive equations. However, their hysteretic behavior cannot be modeled by these equations. In this paper, a novel phenomenological model was developed to describe the nonlinear and hysteretic behaviors of the ferroelectrics subjected to strong electrical and mechanical strengths. The model, based on the theory of Landau-Devonshire, can simulate the polarization/electric field hysteretic cycles of the ferroelectrics under mechanical compressive stress. It can also describe the evolutions of relative permittivity/electric field and piezoelectric coefficient/electric field of the ferroelectric materials under compressive stress. Simulated behaviors are finally compared with experimental data obtained for a soft PZT and good agreements were found.
© EDP Sciences, 2022
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