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dc.creatorYounise, Bashir
dc.creatorSedmak, Aleksandar
dc.creatorRakin, M.
dc.creatorGubeljak, Nenad
dc.creatorMeđo, Bojan
dc.creatorBurzić, M.
dc.creatorZrilić, Milorad
dc.date.accessioned2021-03-10T11:54:46Z
dc.date.available2021-03-10T11:54:46Z
dc.date.issued2012
dc.identifier.issn0264-1275
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/2198
dc.description.abstractThe objective of this study is determination of the effect of mechanical heterogeneity on ductile crack initiation and propagation in weldments using micromechanical approach. Welded single-edge notched bend (SENB) specimens were experimentally and numerically analysed. Material properties of welded joint zones were estimated using a combined experimental and numerical procedure; strains on a smooth tensile specimen were determined using ARAMIS stereometric measuring system in order to obtain true stress - true strain curves. High-strength low-alloyed steel was used as base metal, in quenched and tempered condition. J-R curves and crack growth initiation values of fracture mechanics parameter were experimentally and numerically obtained for specimens with a pre-crack in the heat-affected zone (HAZ) and weld metal (WM). The complete Gurson model (CGM) was used in prediction of J-R curves and crack growth initiation. It is shown that the resistance to crack initiation and growth can be predicted using micromechanical analysis, and that the results are significantly affected by mechanical heterogeneity of the weldment.en
dc.publisherElsevier Sci Ltd, Oxford
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/174004/RS//
dc.relationE15348
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceMaterials & Design
dc.subjectWeldmentsen
dc.subjectMechanical heterogeneityen
dc.subjectDuctile fractureen
dc.titleMicromechanical analysis of mechanical heterogeneity effect on the ductile tearing of weldmentsen
dc.typearticle
dc.rights.licenseBY-NC-ND
dc.citation.epage201
dc.citation.other37: 193-201
dc.citation.spage193
dc.citation.volume37
dc.identifier.doi10.1016/j.matdes.2012.01.001
dc.identifier.rcubconv_3781
dc.identifier.scopus2-s2.0-84856185041
dc.identifier.wos000301591700025
dc.type.versionpublishedVersion


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