Modeling electromechanical properties of layered electrets: Application of the finite-element method

Simple item page
dc.creatorTuncer, Enis
dc.creatorWegener, Michael
dc.creatorGerhard-Multhaupt, Reimund
dc.date2004-06-18
dc.date.accessioned2026-07-07T02:58:42Z
dc.date.available2026-07-07T02:58:42Z
dc.descriptionWe present calculations on the deformation of two- and three-layer electret systems. The electrical field is coupled with the stress-strain equations by means of the Maxwell stress tensor. In the simulations, two-phase systems are considered, and intrinsic relative dielectric permittivity and Young's modulus of the phases are altered. The numerically calculated electro-mechanical activity is compared to an analytical expression. Simulations are performed on two- and three-layer systems. Various parameters in the model are systematically varied and their influence on the resulting piezoelectricity is estimated. In three-layer systems with bipolar charge, the piezoelectric coefficients exhibit a strong dependence on the elastic moduli of the phases. However, with mono-polar charge, there is no significant piezoelectric effect. A two-dimensional simulation illustrated that higher piezoelectricity coefficients can be obtained for non-uniform surface charges and low Poisson's ratio of phases. Irregular structures considered exhibit low piezoelectric activity compared to two-layer structures.
dc.descriptionTo be appaer in J Electrostatics
dc.identifierhttps://arxiv.org/abs/cond-mat/0406429
dc.identifierhttp://arxiv.org/abs/cond-mat/0406429
dc.identifierJournal of Electrostatics, Vol. 63, Issue 1, January 2005, Pages 21-35
dc.identifierdoi:10.1016/j.elstat.2004.06.002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/24210
dc.subjectMaterials Science
dc.titleModeling electromechanical properties of layered electrets: Application of the finite-element method
dc.typetext

Files

Collections

arXiv