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Some applications of Burzynski yield condition in metal plasticity

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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.authorVadillo, Guadalupe
dc.contributor.authorFernández-Sáez, José
dc.contributor.authorPecherski, R.B.
dc.date.accessioned2012-10-31T12:59:07Z
dc.date.available2012-10-31T12:59:07Z
dc.date.issued2011-02
dc.description.abstractThe classical J2 plasticity theory is widely used to describe the plastic response of metallic materials. However, this theory does not provide satisfactory predictions for materials which exhibit pressure sen sitive yielding or plastic dilatancy. Another difficulty is the difference between the values of yield stresses in tension and compression for isotropic materials, the so called strength differential effect (SD), leading to the asymmetry of the elastic range. The Burzyn´ ski yield condition, proposed in 1928, can be used to overcome some of these problems. In this paper an implicit integration of the elasto plastic constitutive equations for the paraboloid case of Burzyn´ ski’s yield condition is formulated. Also, the tangent operator consistent with the integration algorithm was developed and is presented. The proposed model was implemented in a commercial Finite Element code and different kinds of tests reported in the literature were simulated. The comparison between the numerical and experimental results shows that the plastic ity theory with the paraboloid case of Burzyn´ ski’s yield condition describes adequately the strength dif ferential effect, which is present in many kinds of materials significant for recent applications.
dc.description.sponsorshipThe authors gratefully acknowledge the financial support given by the Spanish Ministerio de Educación y Ciencia, Project Reference DPI/2008 06408.
dc.description.statusPublicado
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationMaterials and Design, vol. 32, n. 2., Feb. 2011. Pp. 628-635.
dc.identifier.doi10.1016/j.matdes.2010.08.013
dc.identifier.issn0261-3069
dc.identifier.publicationfirstpage628
dc.identifier.publicationissue2
dc.identifier.publicationlastpage635
dc.identifier.publicationtitleMaterials and Design
dc.identifier.publicationvolume32
dc.identifier.urihttps://hdl.handle.net/10016/15796
dc.language.isoeng
dc.publisherElsevier
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.matdes.2010.08.013
dc.rights© Elsevier
dc.rights.accessRightsopen access
dc.subject.ecienciaIngeniería Mecánica
dc.subject.ecienciaIngeniería Industrial
dc.subject.otherA. Metal matrix
dc.subject.otherE. Mechanical
dc.subject.otherF. Plastic behaviour
dc.titleSome applications of Burzynski yield condition in metal plasticity
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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