Unusual mechanical response of carbon black-filled thermoplastic elastomers

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dc.authoridDrozdov, Aleksey -- 0000-0002-6049-5813; Dusunceli, Necmi -- 0000-0002-2841-7882
dc.contributor.authorDrozdov, Aleksey
dc.contributor.authorDüşünceli, Necmi
dc.date.accessioned13.07.201910:50:10
dc.date.accessioned2019-07-29T19:28:05Z
dc.date.available13.07.201910:50:10
dc.date.available2019-07-29T19:28:05Z
dc.date.issued2014
dc.departmentMühendislik Fakültesi
dc.description.abstractObservations are reported on carbon black-filled thermoplastic elastomer in multi-step uniaxial tensile cyclic tests with various strain rates at room temperature. Experimental data reveal several unusual features of stress-strain diagrams: (i) fading memory of deformation history in cyclic tests with increasing maximum elongation ratios, (ii) transitions from simple to mixed to inverse relaxation and creep in specimens subjected to stretching and subsequent retraction down to various minimum stresses, and (iii) strain rate-induced acceleration of inverse relaxation and creep. A constitutive model is developed for the time- and rate-dependent response of polymer composites under an arbitrary three-dimensional deformation with finite strains. Adjustable parameters in the stress-strain relations are found by fitting the experimental data. Ability of the constitutive equations to describe the mechanical behavior of thermoplastic-elastomer composites under cyclic deformation and to predict the observed phenomena is confirmed by numerical simulation.
dc.description.sponsorshipEU Commission [314744]
dc.description.sponsorshipADD acknowledges financial support by the EU Commission through project Evolution-314744.
dc.identifier.doi10.1016/j.mechmat.2013.09.019
dc.identifier.endpage131en_US
dc.identifier.issn0167-6636
dc.identifier.issn1872-7743
dc.identifier.issue1en_US
dc.identifier.scopusqualityQ1
dc.identifier.startpage116en_US
dc.identifier.urihttps://doi.org/10.1016/j.mechmat.2013.09.019
dc.identifier.urihttps://hdl.handle.net/20.500.12451/5984
dc.identifier.volume69en_US
dc.identifier.wosWOS:000331352000009
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science
dc.relation.ispartofMechanics of Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectPolymer Composite
dc.subjectViscoplasticity
dc.subjectCyclic Deformation
dc.subjectConstitutive Modeling
dc.titleUnusual mechanical response of carbon black-filled thermoplastic elastomers
dc.typeArticle

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