Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/11457
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dc.contributor.authorYalçınkaya, Tuncay-
dc.contributor.authorTandoğan, İzzet Tarık-
dc.contributor.authorÖzdemir, İzzet-
dc.date.accessioned2021-11-06T09:49:33Z-
dc.date.available2021-11-06T09:49:33Z-
dc.date.issued2021-
dc.identifier.issn0749-6419-
dc.identifier.issn1879-2154-
dc.identifier.urihttps://doi.org/10.1016/j.ijplas.2021.103123-
dc.identifier.urihttps://hdl.handle.net/11147/11457-
dc.description.abstractThe precipitation hardened, high strength aerospace alloys (e.g. Al 7000 alloy series) suffer from loss of fracture toughness due to the heat treatment leading to intergranular ductile fracture. Depending on the quenching and aging processes, large precipitates at the grain boundaries with wide precipitate free zones might develop. Therefore the grain boundaries constitute a potential location for micro void formation and evolution under the effect of external loads. This is a common problem of such materials where there is considerable ductile intergranular fracture, which is normally attributed to the embrittlement effects of the environment in other type of alloys. In this context, for the modeling of such a degradation process, the current paper develops a physics based intergranular cracking model of polycrystalline materials where a strain gradient crystal plasticity model is combined with cohesive zone elements whose traction separation relation is based on the evolution of micro-voids at the grain boundaries. The framework successfully predicts the intergranular crack formation and propagation, taking into account different microstructural features, such as porosity, pore shape, grain orientation distribution, and grain boundary conditions.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK) under the 3501 ProgrammeTurkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [117M106]en_US
dc.description.sponsorshipTuncay Yalcinkaya gratefully acknowledges the support by the Scientific and Technological Research Council of Turkey (TUBITAK) under the 3501 Programme (Grant No. 117M106). Moreover the authors acknowledge the contributions of Prof. Alan Cocks from University of Oxford for the discussions in developing the cavity based cohesive zone relations.en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofInternational Journal of Plasticityen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectStrain gradient plasticityen_US
dc.subjectSize effecten_US
dc.subjectGrain boundaryen_US
dc.subjectCrystal plasticityen_US
dc.subjectDuctile fractureen_US
dc.titleVoid growth based inter-granular ductile fracture in strain gradient polycrystalline plasticityen_US
dc.typeArticleen_US
dc.institutionauthorÖzdemir, İzzet-
dc.departmentIzmir Institute of Technology. Civil Engineeringen_US
dc.identifier.volume147en_US
dc.identifier.wosWOS:000706953600001en_US
dc.identifier.scopus2-s2.0-85116543325en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.ijplas.2021.103123-
dc.identifier.scopusqualityQ1-
item.fulltextWith Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextembargo_20240101-
crisitem.author.dept03.03. Department of Civil Engineering-
Appears in Collections:Civil Engineering / İnşaat Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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