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dc.contributor.authorRodrigues, D. M.-
dc.contributor.authorMenezes, L. F.-
dc.contributor.authorLoureiro, A.-
dc.contributor.authorFernandes, J. V.-
dc.identifier.citationInternational Journal of Plasticity. 20:1 (2004) 1-18en_US
dc.description.abstractThe influence of the mismatch between material properties and constraint on the plastic deformation behaviour of the heat affected zone of welds in high strength steels is investigated in this study, using finite element simulations. An elastoplastic implicit three-dimensional finite element code (EPIM3D) was used in the analysis. The paper presents the mechanical model of the code and the methodology used for the numerical simulation of the tensile test of welded joints. Numerical results of the tensile test of welded samples with different hypothetical widths for the Heat Affected Zone and various material mismatch levels are shown. The analysis concerns the overall strength and ductility of the joint and in relation to the plastic behaviour of the heat affected zone. The influence of the yield stress, tensile strength and constraint on the stress and plastic strain distribution in the soft heat affected zone is also discussed.en_US
dc.subjectA. Ductilityen_US
dc.subjectB. Elastic-plastic materialen_US
dc.subjectB. Weldsen_US
dc.subjectC. Finite elementsen_US
dc.subjectC. Mechanical testingen_US
dc.titleNumerical study of the plastic behaviour in tension of welds in high strength steelsen_US
item.fulltextCom Texto completo-
item.grantfulltextopen- de Ciências e Tecnologia, Universidade de Coimbra- de Ciências e Tecnologia, Universidade de Coimbra- de Coimbra- de Coimbra- for Mechanical Engineering- for Mechanical Engineering-
Appears in Collections:FCTUC Eng.Mecânica - Artigos em Revistas Internacionais
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