Flexoelectricity and apparent piezoelectricity of a pantographic micro-bar

Victor Eremeev; Jean-François Ganghoffer; Violetta Konopińska-Zmysłowska; Nikolay Uglov

doi:10.1016/j.ijengsci.2020.103213

Flexoelectricity and apparent piezoelectricity of a pantographic micro-bar

Abstract

We discuss a homogenized model of a pantographic bar considering flexoelectricity. A pantographic bar consists of relatively stiff small bars connected by small soft flexoelectric pivots. As a result, an elongation of the bar relates almost to the torsion of pivots. Taking into account their flexoelectric properties we find the corresponding electric polarization. As a results, the homogenized pantographic bar demonstrates piezoelectric properties inherited from the flexoelectric properties of pivots. The effective stiffness properties of the homogenized bars are determined by the geometry of the structural elements and shear stiffness whereas the piezoelectric properties follow from the flexoelectric moduli of the pivots.

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Authors (4)

Victor Eremeev prof. dr hab.
Jean-François Ganghoffer Dr.hab. Prof.
- Université de Lorraine, LEM3, UMR CNRS 7239, 7 rue Félix Savart, Metz F-57070, France
Violetta Konopińska-Zmysłowska dr hab. inż.
Nikolay Uglov
- R.E. Alekseev Nizhny Novgorod Technical University, Minin St., 24, Nizhny Novgorod 603950, Russia

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Category:: Articles
Type:: artykuły w czasopismach
Published in:: INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE no. 149, pages 1 - 9,
ISSN: 0020-7225
Language:: English
Publication year:: 2020
Bibliographic description:: Eremeev V., Ganghoffer J., Konopińska-Zmysłowska V., Uglov N.: Flexoelectricity and apparent piezoelectricity of a pantographic micro-bar// INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE -Vol. 149, (2020), s.1-9
DOI:: Digital Object Identifier (open in new tab) 10.1016/j.ijengsci.2020.103213
Verified by:: Gdańsk University of Technology