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dc.contributor.authorPetrović, Ljubomiren
dc.contributor.authorZorica, Dušanen
dc.contributor.authorStojanac, Igoren
dc.contributor.authorKrstonosić, Veljkoen
dc.contributor.authorHadnadjev, Miroslaven
dc.contributor.authorJanev, Markoen
dc.contributor.authorPremović, Milicaen
dc.contributor.authorAtanacković, Teodoren
dc.date.accessioned2020-04-27T10:55:16Z-
dc.date.available2020-04-27T10:55:16Z-
dc.date.issued2015-01-01en
dc.identifier.issn0109-5641en
dc.identifier.urihttp://researchrepository.mi.sanu.ac.rs/handle/123456789/891-
dc.description.abstractObjective In this study we analyze viscoelastic properties of three flowable (Wave, Wave MV, Wave HV) and one universal hybrid resin (Ice) composites, prior to setting. We developed a mathematical model containing fractional derivatives in order to describe their properties. Methods Isothermal experimental study was conducted on a rheometer with parallel plates. In dynamic oscillatory shear test, storage and loss modulus, as well as the complex viscosity where determined. We assumed four different fractional viscoelastic models, each belonging to one particular class, derivable from distributed-order fractional constitutive equation. The restrictions following from the Second law of thermodynamics are imposed on each model. The optimal parameters corresponding to each model are obtained by minimizing the error function that takes into account storage and loss modulus, thus obtaining the best fit to the experimental data. Results In the frequency range considered, we obtained that for Wave HV and Wave MV there exist a critical frequency for which loss and storage modulus curves intersect, defining a boundary between two different types of behavior: one in which storage modulus is larger than loss modulus and the other in which the situation is opposite. Loss and storage modulus curves for Ice and Wave do not show this type of behavior, having either elastic, or viscous effects dominating in entire frequency range considered. Significance The developed models may be used to predict behavior of four tested composites in different flow conditions (different deformation speed), thus helping to estimate optimal handling characteristics for specific clinical applications.en
dc.publisherElsevier-
dc.relationViscoelasticity of fractional type and shape optimization in a theory of rods-
dc.relationIntegrated system for detection and estimation of fire development by real-time monitoring of critical parameters-
dc.relationDevelopment of Dialogue Systems for Serbian and Other South Slavic Languages-
dc.relationSecretariat for Science of Vojvodina, Grant 114-451-1084-
dc.relation.ispartofDental Materialsen
dc.subjectDynamic oscillatory shear test | Flowable and universal hybrid resin | Resin composites | Uncured | Viscoelasticity of fractional orderen
dc.titleViscoelastic properties of uncured resin composites: Dynamic oscillatory shear test and fractional derivative modelen
dc.typeArticleen
dc.identifier.doi10.1016/j.dental.2015.05.009en
dc.identifier.pmid26076830en
dc.identifier.scopus2-s2.0-84937514543en
dc.contributor.affiliationMathematical Institute of the Serbian Academy of Sciences and Arts-
dc.relation.firstpage1003en
dc.relation.lastpage1009en
dc.relation.issue8en
dc.relation.volume31en
dc.description.rankM21a-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
crisitem.author.orcid0000-0002-9117-8589-
crisitem.author.orcid0000-0003-3246-4988-
crisitem.project.funderNIH-
crisitem.project.funderNIH-
crisitem.project.projectURLhttp://www.mi.sanu.ac.rs/novi_sajt/research/projects/174005e.php-
crisitem.project.fundingProgramBasic Research (BR or ON)-
crisitem.project.fundingProgramNATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES-
crisitem.project.fundingProgramNATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES-
crisitem.project.openAireinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/174005-
crisitem.project.openAireinfo:eu-repo/grantAgreement/NIH/NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES/5R37DK044003-17-
crisitem.project.openAireinfo:eu-repo/grantAgreement/NIH/NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES/5R01GM032035-03-
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