Friction coefficient evaluation using physically based viscoplasticity model at the contact region during high velocity sliding

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dc.authoridVoyiadjis, George/0000-0002-7965-6592
dc.contributor.authorVoyiadjis, George Z.
dc.contributor.authorDeliktas, Babur
dc.contributor.authorFaghihi, Danial
dc.contributor.authorLodygowski, Adam
dc.date.accessioned2024-09-18T21:01:39Z
dc.date.available2024-09-18T21:01:39Z
dc.date.issued2010
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description1st Conference of the American-Academy-of-Mechanics -- JUN, 2008 -- New Orleans, LAen_US
dc.description.abstractMany physical systems require the description of mechanical interactions across interfaces if they are to be successfully analyzed. One of the well-known examples of such a system in the engineering world is the metal to metal friction. This is a complex process that needs to be adequately identified by a constitutive relation in order to better facilitate the design components in severe contact stress applications. In this paper, the formulation of Molinari et al.'s work (J Tribology Trans ASME 35-41, 1999) is revisited in order to investigate the coefficient of dry friction for steel on steel in the high velocity range using physically based viscoplastic constitutive relations. First some of the errors in the work are corrected, and their results are regenerated. The phenomenological constitutive relation used in Molinari et al. (J Tribology Trans ASME 35-41, 1999) is then replaced by the physically based viscoplastic model used in this paper. This constitutive model is implemented into ABAQUS (Analysis User's Manual, 2008) as user-defined subroutine as VUMAT in order to obtain the stress-strain curves at different strain rates and various temperatures. It is shown that the material responses obtained from the simulation using the physically based constitutive viscoplastic model agree well with the real behavior of the metals. Comparing this proposed work with that of Molinari et al. (J Tribology Trans ASME 35-41, 1999) one observes that the proposed theory and constitutive model are superior to the one presented by Molinari et al. This is specifically the case for the artificial shape of softening in the curve.en_US
dc.description.sponsorshipAmer Acad Mechanen_US
dc.identifier.doi10.1007/s00707-010-0294-9
dc.identifier.endpage52en_US
dc.identifier.issn0001-5970
dc.identifier.issn1619-6937
dc.identifier.issue1-2en_US
dc.identifier.scopus2-s2.0-77954953910en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage39en_US
dc.identifier.urihttps://doi.org/10.1007/s00707-010-0294-9
dc.identifier.urihttps://hdl.handle.net/20.500.12483/12910
dc.identifier.volume213en_US
dc.identifier.wosWOS:000280087100004en_US
dc.identifier.wosqualityQ3en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringer Wienen_US
dc.relation.ispartofActa Mechanicaen_US
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAlgorithmsen_US
dc.subjectMetalsen_US
dc.titleFriction coefficient evaluation using physically based viscoplasticity model at the contact region during high velocity slidingen_US
dc.typeConference Objecten_US

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