Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/47479
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dc.contributor.authorTürkan M.-
dc.contributor.authorKarakaş Ö.-
dc.date.accessioned2023-01-09T21:24:55Z-
dc.date.available2023-01-09T21:24:55Z-
dc.date.issued2022-
dc.identifier.issn2352-4928-
dc.identifier.urihttps://doi.org/10.1016/j.mtcomm.2022.103539-
dc.identifier.urihttps://hdl.handle.net/11499/47479-
dc.description.abstractThis study presents an investigation of welding defect formation in joining AZ61 magnesium alloy with friction stir welding by means of a 3D finite element model. The numerical model was created and analyzed in the ABAQUS software. This numerical model uses coupled Eulerian Lagrangian formulation, modified Coulomb's friction law, Johnson-Cook material law, mass scaling technique, and temperature dependent friction coefficient values. The numerical model was validated with experimental results in terms of heat input, temperature distribution, plastic deformation type-amount, and weld defect formation in the weld zone. In friction stir welding, the heat input with a certain tool simply changes directly proportional to the ratio of tool rotation speed to tool feed rate for constant tool compressive force. In the numerical model, as in the experimental study, when the ratio of tool rotational speed to tool feed rate is 2, low heat input results in insufficient plastic deformation, leading to the formation of weld defects in the form of void. When the ratio of tool rotational speed to tool feed rate is 3, however, it was observed that sufficient heat input is provided, and no welding defects occur. The generated numerical model enables the determination of the welding defects that occur in the form of voids in the friction stir welding in a very short processing time. Besides, weld seam geometry can be predicted quite accurately with this model. © 2022 Elsevier Ltden_US
dc.description.sponsorshipPamukkale Üniversitesi, PAÜ: 2019FEBE039, 2020KRM005-005en_US
dc.description.sponsorshipThis study was fully supported by the Scientific Research Coordination Unit of Pamukkale University under the following Project Numbers: 2019FEBE039 and 2020KRM005-005 .en_US
dc.language.isoenen_US
dc.publisherElsevier Ltden_US
dc.relation.ispartofMaterials Today Communicationsen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAZ61 magnesium alloyen_US
dc.subjectCoupled Eulerian Lagrangian formulationen_US
dc.subjectDefect formationen_US
dc.subjectFinite element modelen_US
dc.subjectFriction stir weldingen_US
dc.subjectABAQUSen_US
dc.subjectDefectsen_US
dc.subjectFinite element methoden_US
dc.subjectFrictionen_US
dc.subjectLagrange multipliersen_US
dc.subjectMagnesium alloysen_US
dc.subjectNumerical modelsen_US
dc.subjectPlastic deformationen_US
dc.subjectResearch laboratoriesen_US
dc.subjectWeldsen_US
dc.subjectAZ61 magnesium alloyen_US
dc.subjectCoupled eulerian lagrangian formulationen_US
dc.subjectDefects formationen_US
dc.subjectEulerian-Lagrangian formulationen_US
dc.subjectFeedrateen_US
dc.subjectFinite element modelling (FEM)en_US
dc.subjectFriction-stir-weldingen_US
dc.subjectHeat inputen_US
dc.subjectWeld defectsen_US
dc.subjectWelding defectsen_US
dc.subjectFriction stir weldingen_US
dc.titleNumerical modeling of defect formation in friction stir weldingen_US
dc.typeArticleen_US
dc.identifier.volume31en_US
dc.identifier.doi10.1016/j.mtcomm.2022.103539-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.authorscopusid57210406721-
dc.authorscopusid24281714000-
dc.identifier.scopus2-s2.0-85133344327en_US
dc.identifier.wosWOS:000797672700001en_US
dc.identifier.scopusqualityQ2-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.languageiso639-1en-
item.openairetypeArticle-
item.fulltextNo Fulltext-
item.cerifentitytypePublications-
item.grantfulltextnone-
crisitem.author.dept10.07. Mechanical Engineering-
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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