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Residual stresses in orthogonal cutting of metals: the effect of thermo-mechanical coupling parameters and of friction

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dc.affiliation.dptoUC3M. Departamento de Mecánica de Medios Continuos y Teoría de Estructurases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Dinámica y Fractura de Elementos Estructuraleses
dc.contributor.authorMiguélez Garrido, María Henar
dc.contributor.authorZaera, Ramón
dc.contributor.authorMolinari, A.
dc.contributor.authorCheriguene, Rachid
dc.contributor.authorRusinek, Alexis
dc.date.accessioned2010-03-31T09:26:22Z
dc.date.available2010-03-31T09:26:22Z
dc.date.issued2009-03
dc.description21 pages, 13 figures.
dc.description.abstractThe generation of residual stresses in orthogonal machining is analysed by using an Arbitrary Lagrangian Eulerian (ALE) finite element approach. It is shown that a substantial level of tensile residual stresses can be obtained in the vicinity of the machined surface without any contribution of thermal effects. This motivates the development of a parametric study to analyse the effects of the thermomechanical coupling parameters on residual stresses. The roles of thermal expansion, of thermal softening and of the Taylor-Quinney coefficient (controlling the heat generated by plastic flow) are considered separately. The influence of friction is also analysed by assuming dry cutting conditions and a Coulomb friction law. The friction coefficient has a complex effect by controlling heat generation (frictional heating) along the tool rake and clearance faces and the propensity for the chip to stick to the tool. Geometrical effects such as the tool rake angle and the tool edge radius are also discussed.
dc.description.sponsorshipThe authors are indebted, for the financial support of this work, to the Ministry of Science and Education of Spain (under project DPI2005-08018) and to the Comunidad Autónoma de Madrid and University Carlos III of Madrid (under project CCG07-UC3M/DPI-3396).
dc.description.statusPublicado
dc.format.mimetypetext/html
dc.identifier.bibliographicCitationJournal of Thermal Stresses, 2009, vol. 32, n. 3, p. 269-289
dc.identifier.doi10.1080/01495730802637134
dc.identifier.issn0149-5739 (Print)
dc.identifier.issn1521-074X (Online)
dc.identifier.urihttps://hdl.handle.net/10016/7559
dc.language.isoeng
dc.publisherTaylor & Francis
dc.relation.publisherversionhttp://dx.doi.org/10.1080/01495730802637134
dc.rights© Taylor & Francis
dc.rights.accessRightsopen access
dc.subject.ecienciaIngeniería Mecánica
dc.subject.ecienciaIngeniería Industrial
dc.subject.otherFriction
dc.subject.otherOrthogonal machining
dc.subject.otherParametric analysis
dc.subject.otherResidual stresses
dc.subject.otherThermomechanical coupling parameters
dc.titleResidual stresses in orthogonal cutting of metals: the effect of thermo-mechanical coupling parameters and of friction
dc.typeresearch article*
dc.type.reviewPeerReviewed
dspace.entity.typePublication
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