Experimental characterization and viscoelastic modeling of isotropic and anisotropic magnetorheological elastomers

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dc.contributor.authorNam, Tran Huu
dc.contributor.authorPetříková, Iva
dc.contributor.authorMarvalová, Bohdana
dc.date.accessioned2020-04-24T09:16:23Z
dc.date.available2020-04-24T09:16:23Z
dc.date.issued2020-01
dc.description.abstractThe paper presents experimental research and numerical modeling of dynamic properties of magnetorheological elastomers (MREs). Isotropic and anisotropic MREs have been prepared based on silicone matrix filled by microsized carbonyl iron particles. Dynamic properties of the isotropic and anisotropic MREs were determined using double-lap shear test under harmonic loading in the displacement control mode. Effects of excitation frequency, strain amplitude, and magnetic field intensity on the dynamic properties of the MREs were examined. Dynamic moduli of the MREs decreased with increasing the strain amplitude of applied harmonic load. The dynamic moduli and damping properties of the MREs increased with increasing the frequency and magnetic flux density. The anisotropic MREs showed higher dynamic moduli and magnetorheological (MR) effect than those of the isotropic ones. The MR effect of the MREs increased with the rise of the magnetic flux density. The dependence of dynamic moduli and loss factor on the frequency and magnetic flux density was numerically studied using four-parameter fractional derivative viscoelastic model. The model was fitted well to experimental data for both isotropic and anisotropic MREs. The fitting of dynamic moduli and loss factor for the isotropic and anisotropic MREs is in good agreement with experimental results.cs
dc.format.extent11 strancs
dc.identifier.WebofScienceResearcherIDK-6697-2018 Nam, Tran Huu
dc.identifier.doi10.1016/j.polymertesting.2019.106272
dc.identifier.orcid0000-0003-1680-9333 Nam, Tran Huu
dc.identifier.orcid0000-0002-7825-2916 Marvalová, Bohdana
dc.identifier.urihttps://dspace.tul.cz/handle/15240/154765
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0142941819316095?via%3Dihub
dc.language.isocscs
dc.publisherELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
dc.relation.ispartofPOLYMER TESTING
dc.subjectMagnetorheological elastomerscs
dc.subjectViscoelastic modelingcs
dc.subjectDynamic propertiescs
dc.subjectDouble-lap shear testcs
dc.titleExperimental characterization and viscoelastic modeling of isotropic and anisotropic magnetorheological elastomerscs
local.article.number106272
local.identifier.publikace7166
local.relation.volume81
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