Microstructural modelling of hard-magnetic soft materials: Dipole-dipole interactions versus Zeeman effect

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dc.contributor.author García González, Daniel
dc.contributor.author Hossain, Mokarram
dc.date.accessioned 2021-06-21T09:55:18Z
dc.date.available 2022-10-01T23:00:05Z
dc.date.issued 2021-10
dc.identifier.bibliographicCitation Garcia-Gonzalez, D. & Hossain, M. (2021). Microstructural modelling of hard-magnetic soft materials: Dipole–dipole interactions versus Zeeman effect. Extreme Mechanics Letters, 48, 101382.
dc.identifier.issn 2352-4316
dc.identifier.uri http://hdl.handle.net/10016/32898
dc.description.abstract Hard-magnetic soft materials are a class of magneto-active polymers (MAPs) where the fillers are composed of hard-magnetic (magnetised) particles. These materials present complex magneto-mechanical couplings, which require the development of modelling frameworks in understanding their responses at the very beginning of conceptualisation and design. Most of the current constitutive approaches available in the literature for hard-magnetic MAPs do not consider dipole–dipole interactions of the embedded particles. However, such interactions among the magnetised particles generate internal forces within the composite that need to be balanced by mechanical stress from the polymeric matrix networks. This fact may imply an initial stretch of the polymeric network and suggests that such dipole–dipole interactions may be important during the MAP deformation process. To address these crucial points, in this contribution, we propose a novel constitutive model relating microstructural characteristics of hard-magnetic MAPs. The model accounts for polymeric network pre-stretch, dipole–dipole interactions, Zeeman effect as well as viscous mechanisms which are formulated on the finite deformation theory. The results obtained herein highlight the importance of accounting for the dipole–dipole interactions and the polymeric network pre-stretch to understand the complex magneto-mechanically coupled behaviour of hard-magnetic MAPs.
dc.description.sponsorship The authors acknowledge support from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (grant agreement No. 947723, project 4D-BIOMAP). D.G.G. acknowledges support from the Talent Attraction, Spain grant (CM 2018-2018-T2/IND-9992) from the Comunidad de Madrid, Spain. M. H. acknowledges the funding through an EPSRC, United Kingdom Impact Acceleration Award (EP/R511614/1).
dc.format.extent 10
dc.language.iso eng
dc.publisher Elsevier
dc.rights © 2021 Elsevier Ltd.
dc.rights Atribución-NoComercial-SinDerivadas 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.other Magneto-Active Polymers (MAP)
dc.subject.other Magneto-mechanics
dc.subject.other Magnetic pre-stretch
dc.subject.other Hard-magnetics
dc.subject.other Microstructural model
dc.subject.other Finite deformations
dc.title Microstructural modelling of hard-magnetic soft materials: Dipole-dipole interactions versus Zeeman effect
dc.type article
dc.subject.eciencia Ingeniería Mecánica
dc.subject.eciencia Ingeniería Naval
dc.identifier.doi https://doi.org/10.1016/j.eml.2021.101382
dc.rights.accessRights openAccess
dc.relation.projectID info:eu-repo/grantAgreement/EC/947723
dc.relation.projectID Comunidad de Madrid. CM2018-2018-T2/IND-9992
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 1
dc.identifier.publicationissue 101382
dc.identifier.publicationlastpage 10
dc.identifier.publicationtitle Extreme Mechanics Letters
dc.identifier.publicationvolume 48
dc.identifier.uxxi AR/0000027966
dc.contributor.funder European Commission
dc.contributor.funder Comunidad de Madrid
dc.affiliation.dpto UC3M. Departamento de Mecánica de Medios Continuos y Teoría de Estructuras
dc.affiliation.grupoinv UC3M. Grupo de Investigación: Dinámica y Fractura de Elementos Estructurales
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