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A microstructural-based approach to model magneto-viscoelastic materials at finite strains

Daniel Garcia-Gonzalez, Mokarram Hossain Orcid Logo

International Journal of Solids and Structures, Volume: 208-209, Pages: 119 - 132

Swansea University Author: Mokarram Hossain Orcid Logo

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Abstract

Magneto-active polymers (MAPs) consist of a polymeric matrix filled with magnetisable particles. MAPs may change their mechanical properties (i.e., stiffness) and/or mechanical deformation upon the application of an external magnetic stimulus. Mechanical responses of MAPs can be understood as the co...

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Published in: International Journal of Solids and Structures
ISSN: 0020-7683
Published: Elsevier BV 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa55590
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spelling 2021-12-02T11:38:59.4622556 v2 55590 2020-11-03 A microstructural-based approach to model magneto-viscoelastic materials at finite strains 140f4aa5c5ec18ec173c8542a7fddafd 0000-0002-4616-1104 Mokarram Hossain Mokarram Hossain true false 2020-11-03 GENG Magneto-active polymers (MAPs) consist of a polymeric matrix filled with magnetisable particles. MAPs may change their mechanical properties (i.e., stiffness) and/or mechanical deformation upon the application of an external magnetic stimulus. Mechanical responses of MAPs can be understood as the combined contributions of both polymeric matrix and magnetic particles. Moreover, the magnetic response is defined by the interaction between magnetisable particles and the external field. Common approaches to model MAPs are based on phenomenological continuum models, which are able to predict their magneto-mechanical behaviour but are sometimes failed to illustrate specific features of the underlying physics. To better understand the magneto-mechanical responses of MAPs and guide their design and manufacturing processes, this contribution presents a novel continuum constitutive model originated from a microstructural basis. The model is formulated within a finite deformation framework and accounts for viscous (rate) dependences and magneto-mechanical coupling. After the formulations, the model is calibrated with a set of experimental data. The model is validated with a wide range of experimental data that show its predictability. Such a microstructurally-motivated finite strain model will help in designing MAPs with complex three-dimensional microstructures. Journal Article International Journal of Solids and Structures 208-209 119 132 Elsevier BV 0020-7683 Magneto-active polymers (MAP); Magneto-mechanics; Lattice model; Magneto-viscoelasticity; Microstructural model; Finite deformations 1 1 2021 2021-01-01 10.1016/j.ijsolstr.2020.10.028 COLLEGE NANME General Engineering COLLEGE CODE GENG Swansea University 2021-12-02T11:38:59.4622556 2020-11-03T15:09:59.9050569 College of Engineering Engineering Daniel Garcia-Gonzalez 1 Mokarram Hossain 0000-0002-4616-1104 2 55590__18676__13de061208cd4d73ac2942fb70a5c9fd.pdf 55590 (2).pdf 2020-11-17T09:00:41.6126495 Output 2616719 application/pdf Version of Record true © 2020 Author(s). This is an open access article under the CC BY-NC-ND license true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title A microstructural-based approach to model magneto-viscoelastic materials at finite strains
spellingShingle A microstructural-based approach to model magneto-viscoelastic materials at finite strains
Mokarram Hossain
title_short A microstructural-based approach to model magneto-viscoelastic materials at finite strains
title_full A microstructural-based approach to model magneto-viscoelastic materials at finite strains
title_fullStr A microstructural-based approach to model magneto-viscoelastic materials at finite strains
title_full_unstemmed A microstructural-based approach to model magneto-viscoelastic materials at finite strains
title_sort A microstructural-based approach to model magneto-viscoelastic materials at finite strains
author_id_str_mv 140f4aa5c5ec18ec173c8542a7fddafd
author_id_fullname_str_mv 140f4aa5c5ec18ec173c8542a7fddafd_***_Mokarram Hossain
author Mokarram Hossain
author2 Daniel Garcia-Gonzalez
Mokarram Hossain
format Journal article
container_title International Journal of Solids and Structures
container_volume 208-209
container_start_page 119
publishDate 2021
institution Swansea University
issn 0020-7683
doi_str_mv 10.1016/j.ijsolstr.2020.10.028
publisher Elsevier BV
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
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description Magneto-active polymers (MAPs) consist of a polymeric matrix filled with magnetisable particles. MAPs may change their mechanical properties (i.e., stiffness) and/or mechanical deformation upon the application of an external magnetic stimulus. Mechanical responses of MAPs can be understood as the combined contributions of both polymeric matrix and magnetic particles. Moreover, the magnetic response is defined by the interaction between magnetisable particles and the external field. Common approaches to model MAPs are based on phenomenological continuum models, which are able to predict their magneto-mechanical behaviour but are sometimes failed to illustrate specific features of the underlying physics. To better understand the magneto-mechanical responses of MAPs and guide their design and manufacturing processes, this contribution presents a novel continuum constitutive model originated from a microstructural basis. The model is formulated within a finite deformation framework and accounts for viscous (rate) dependences and magneto-mechanical coupling. After the formulations, the model is calibrated with a set of experimental data. The model is validated with a wide range of experimental data that show its predictability. Such a microstructurally-motivated finite strain model will help in designing MAPs with complex three-dimensional microstructures.
published_date 2021-01-01T04:10:44Z
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