Comprehensive numerical analysis of a three-pass bead-in-slot weld and its critical validation using neutron and synchrotron diffraction residual stress measurements

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dc.contributor.authorMuránsky, Oen_AU
dc.contributor.authorSmith, MCen_AU
dc.contributor.authorBendeich, PJen_AU
dc.contributor.authorHolden, TMen_AU
dc.contributor.authorLuzin, Ven_AU
dc.contributor.authorMartins, RVen_AU
dc.contributor.authorEdwards, Len_AU
dc.date.accessioned2012-06-20T04:15:54Zen_AU
dc.date.available2012-06-20T04:15:54Zen_AU
dc.date.issued2012-05-01en_AU
dc.date.statistics2012-06-20en_AU
dc.description.abstractThe current paper presents a finite element simulation of the residual stress field associated with a three pass slot weld in an AISI 316LN austenitic stainless steel plate. The simulation is split into uncoupled thermal and mechanical analyses which enable a computationally less expensive solution. A dedicated welding heat source modelling tool is employed to calibrate the ellipsoidal Gaussian volumetric heat source by making use of extensive thermocouple measurements and metallographic analyses made during and after welding. The mechanical analysis employs the Lemaitre-Chaboche mixed hardening model. This captures the cyclic mechanical response which a material undergoes during the thermo-mechanical cycles imposed by the welding process. A close examination of the material behaviour at various locations in the sample during the welding process, clearly demonstrates the importance of defining the correct hardening and high temperature softening behaviour. The simulation is validated by two independent diffraction techniques. The well-established neutron diffraction technique and a very novel spiral slit X-ray synchrotron technique were used to measure the residual stress-strain field associated with the three-pass weld. The comparison between the model and the experiment reveals close agreement with no adjustable parameters and clearly validates the used modelling procedure. Crown Copyright (C) 2011 Elsevier Ltd.en_AU
dc.identifier.citationMuransky, O., Smith, M. C., Bendeich, P. J., Holden, T. M., Luzin, V., Martins, R. V., Edwards, L. (2012). Comprehensive numerical analysis of a three-pass bead-in-slot weld and its critical validation using neutron and synchrotron diffraction residual stress measurements. International Journal of Solids and Structures, 49(9), 1045-1062. doi:10.1016/j.ijsolstr.2011.07.006en_AU
dc.identifier.govdoc4392en_AU
dc.identifier.issn0020-7683en_AU
dc.identifier.issue9en_AU
dc.identifier.journaltitleInternational Journal of Solids and Structuresen_AU
dc.identifier.pagination1045-1062en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.ijsolstr.2011.07.006en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4347en_AU
dc.identifier.volume49en_AU
dc.language.isoenen_AU
dc.publisherPergamon-Elsevier Science LTDen_AU
dc.subjectResidual stressesen_AU
dc.subjectDiffractionen_AU
dc.subjectDiffractionen_AU
dc.subjectWeldingen_AU
dc.subjectSamplingen_AU
dc.subjectValidationen_AU
dc.titleComprehensive numerical analysis of a three-pass bead-in-slot weld and its critical validation using neutron and synchrotron diffraction residual stress measurementsen_AU
dc.typeJournal Articleen_AU
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