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Cohesive-zone modelling of the deformation and fracture of spot-welded joints
dc.contributor.authorCavalli, M. N.en_US
dc.contributor.authorThouless, Michael D.en_US
dc.contributor.authorYang, Q. D.en_US
dc.date.accessioned2010-06-01T20:03:40Z
dc.date.available2010-06-01T20:03:40Z
dc.date.issued2005-10en_US
dc.identifier.citationCAVALLI, M. N.; THOULESS, M. D.; YANG, Q. D. (2005). "Cohesive-zone modelling of the deformation and fracture of spot-welded joints." Fatigue & Fracture of Engineering Materials & Structures 28(10): 861-874. <http://hdl.handle.net/2027.42/73187>en_US
dc.identifier.issn8756-758Xen_US
dc.identifier.issn1460-2695en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/73187
dc.description.abstractThe deformation and failure of spot-welded joints have been successfully modelled using a cohesive-zone model for fracture. This has been accomplished by implementing a user-defined, three-dimensional, cohesive-zone element within a commercial finite-element package. The model requires two material parameters for each mode of deformation. Results show that the material parameters from this type of approach are transferable for identical spot welds in different geometries where a single parameter (such as maximum stress) is not. The approach has been demonstrated using a model system consisting of spot-welded joints made from 5754 aluminium sheets. The techniques for determining the cohesive fracture parameters for both nugget fracture and nugget pullout are described in this paper. It has been demonstrated that once the appropriate cohesive parameters for a weld are determined, quantitative predictions can be developed for the strengths, deformations and failure mechanisms of different geometries with nominally identical welds.en_US
dc.format.extent466613 bytes
dc.format.extent3109 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.publisherBlackwell Science Ltden_US
dc.rights2005 Blackwell Publishing Ltd.en_US
dc.subject.otherCohesive-zone Modellingen_US
dc.subject.otherFinite Element Modellingen_US
dc.subject.otherFractureen_US
dc.subject.otherResistance Spot-weldingen_US
dc.titleCohesive-zone modelling of the deformation and fracture of spot-welded jointsen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelMaterials Science and Engineeringen_US
dc.subject.hlbtoplevelEngineeringen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Materials Science and Engineering, University of Michigan, Ann Arbor, MIen_US
dc.contributor.affiliationotherDepartment of Mechanical Engineering, University of North Dakota, Grand Forks, ND 58202-8359en_US
dc.contributor.affiliationotherDepartment of Mechanical Engineeringen_US
dc.contributor.affiliationotherRockwell Scientific Company, Thousand Oaks, CA, USAen_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/73187/1/j.1460-2695.2005.00919.x.pdf
dc.identifier.doi10.1111/j.1460-2695.2005.00919.xen_US
dc.identifier.sourceFatigue & Fracture of Engineering Materials & Structuresen_US
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dc.owningcollnameInterdisciplinary and Peer-Reviewed


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