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A complete thermo–electro–viscoelastic characterization of dielectric elastomers, Part I: Experimental investigations / Markus Mehnert, Mokarram Hossain, Paul Steinmann

Journal of the Mechanics and Physics of Solids, Volume: 157, Start page: 104603

Swansea University Author: Mokarram Hossain

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Abstract

Dielectric elastomers are a class of solid polymeric materials that are sufficiently soft to deform under the application of an electric field due to the interaction of quasi-static electric charges. Their potential to undergo large deformations renders them promising candidates for the design of en...

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Published in: Journal of the Mechanics and Physics of Solids
ISSN: 0022-5096
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa57489
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first_indexed 2021-08-02T09:14:29Z
last_indexed 2021-09-11T03:20:21Z
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spelling 2021-09-10T17:33:09.1119840 v2 57489 2021-08-02 A complete thermo–electro–viscoelastic characterization of dielectric elastomers, Part I: Experimental investigations 140f4aa5c5ec18ec173c8542a7fddafd 0000-0002-4616-1104 Mokarram Hossain Mokarram Hossain true false 2021-08-02 GENG Dielectric elastomers are a class of solid polymeric materials that are sufficiently soft to deform under the application of an electric field due to the interaction of quasi-static electric charges. Their potential to undergo large deformations renders them promising candidates for the design of energy harvesters, sensors and soft actuators. For their application however, the influence of additional thermal effects should be taken into account as the base materials frequently show a distinct thermal sensitivity that drastically influences their mechanical response. This contribution presents the results of a wide range of experiments conducted on the popular dielectric elastomer VHB 4905™ under a combination of mechanical, thermal and electric loading scenarios. These experiments are performed in such a way that the obtained results are well suited for the identification of the necessary material parameters appearing in a thermo–electro–viscoelastic constitutive model that will subsequently be presented in the second part of the contribution. Journal Article Journal of the Mechanics and Physics of Solids 157 104603 Elsevier BV 0022-5096 Dielectric elastomers; Electro-active polymers; Thermo–mechanics; Electro–mechanics 1 12 2021 2021-12-01 10.1016/j.jmps.2021.104603 COLLEGE NANME General Engineering COLLEGE CODE GENG Swansea University Other DFG project No. STE 544/52-2 and GRK2495/C; Engineering and Physical Sciences Research Council (EPSRC), grant number (EP/R511614/1). 2021-09-10T17:33:09.1119840 2021-08-02T10:11:43.8084821 College of Engineering Engineering Markus Mehnert 1 Mokarram Hossain 0000-0002-4616-1104 2 Paul Steinmann 3 57489__20826__082af2d251dd4bf696563968e3340700.pdf 57489.pdf 2021-09-10T17:29:36.7887809 Output 3934414 application/pdf Version of Record true © 2021 The Authors. This is an open access article under the CC BY license true eng http://creativecommons.org/licenses/by/4.0/
title A complete thermo–electro–viscoelastic characterization of dielectric elastomers, Part I: Experimental investigations
spellingShingle A complete thermo–electro–viscoelastic characterization of dielectric elastomers, Part I: Experimental investigations
Mokarram, Hossain
title_short A complete thermo–electro–viscoelastic characterization of dielectric elastomers, Part I: Experimental investigations
title_full A complete thermo–electro–viscoelastic characterization of dielectric elastomers, Part I: Experimental investigations
title_fullStr A complete thermo–electro–viscoelastic characterization of dielectric elastomers, Part I: Experimental investigations
title_full_unstemmed A complete thermo–electro–viscoelastic characterization of dielectric elastomers, Part I: Experimental investigations
title_sort A complete thermo–electro–viscoelastic characterization of dielectric elastomers, Part I: Experimental investigations
author_id_str_mv 140f4aa5c5ec18ec173c8542a7fddafd
author_id_fullname_str_mv 140f4aa5c5ec18ec173c8542a7fddafd_***_Mokarram, Hossain
author Mokarram, Hossain
author2 Markus Mehnert
Mokarram Hossain
Paul Steinmann
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college_str College of Engineering
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description Dielectric elastomers are a class of solid polymeric materials that are sufficiently soft to deform under the application of an electric field due to the interaction of quasi-static electric charges. Their potential to undergo large deformations renders them promising candidates for the design of energy harvesters, sensors and soft actuators. For their application however, the influence of additional thermal effects should be taken into account as the base materials frequently show a distinct thermal sensitivity that drastically influences their mechanical response. This contribution presents the results of a wide range of experiments conducted on the popular dielectric elastomer VHB 4905™ under a combination of mechanical, thermal and electric loading scenarios. These experiments are performed in such a way that the obtained results are well suited for the identification of the necessary material parameters appearing in a thermo–electro–viscoelastic constitutive model that will subsequently be presented in the second part of the contribution.
published_date 2021-12-01T04:23:12Z
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