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      Numerical simulation of self-piercing riveting process (SRP) using continuum damage mechanics modelling

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          Abstract

          The extended Bonora damage model was used to investigate joinability of materials in self-piercing riveting process. This updated model formulation accounts for void nucleation and growth process and shear-controlled damage which is critical for shear fracture sensitive materials. Potential joint configurations with dissimilar materials have been investigated computationally. In particular the possible combination of DP600 steel, which is widely used in the automotive industry, with AL2024-T351, which is known to show shear fracture sensitivity, and oxygen-free pure copper, which is known to fail by void nucleation and growth, have been investigated. Preliminary numerical simulation results indicate that the damage modelling is capable to discriminate potential criticalities occurring in the SPR joining process opening the possibility for process parameters optimization and screening of candidate materials for optimum joint.

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          Most cited references15

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          A Continuous Damage Mechanics Model for Ductile Fracture

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            On fracture locus in the equivalent strain and stress triaxiality space

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              A nonlinear CDM model for ductile failure

              N. Bonora (1997)
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                Author and article information

                Journal
                Frattura ed Integrità Strutturale
                Gruppo Italiano Frattura
                01 March 2018
                : 12
                : 44
                Affiliations
                [1 ] Università di Cassino e del Lazio Meridionale, Italy
                Article
                c57a2390d3dc4822934675561d273e4b
                10.3221/IGF-ESIS.44.13
                c903a4b7-33cc-46b1-89e5-1974ad64e5d0

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

                History
                Categories
                Mechanical engineering and machinery
                TJ1-1570
                Structural engineering (General)
                TA630-695

                Materials technology,Materials properties,Materials characterization,Engineering,Civil engineering,Mechanical engineering
                self-piercing,riveting,damage mechanics,CDM,shear,voids

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