Effect of tool pin profile on the hook geometry and mechanical properties of a friction stir spot welded AA6082-T6 aluminum alloy

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dc.authoridTUNCEL, OGUZ/0000-0002-6886-6367
dc.authoridTUTAR, Mumin/0000-0002-7286-3433
dc.contributor.authorAydin, Hakan
dc.contributor.authorTuncel, Oguz
dc.contributor.authorTutar, Mumin
dc.contributor.authorBayram, Ali
dc.date.accessioned2024-12-24T19:29:39Z
dc.date.available2024-12-24T19:29:39Z
dc.date.issued2021
dc.departmentSiirt Üniversitesi
dc.description.abstractAA6082-T6 alloy was joined by friction stir spot welding using five different pin profiles, namely cylindrical, conical, triangular, hexagonal, and cylindrical with two grooves, at different dwell time. The joints welded by cylindrical pins had larger effective weld width. However, grooves on the cylindrical pin decreased the effective weld width. In the weld made with the hexagonal pin, the hook was bent downward from the interface of the sheets and had the smallest effective weld width. When the conical pin was used, the effective weld width increased with increasing dwell time. In the case of using tools with cylindrical and conical pins, HAZ hardness was relatively lower. With increasing dwell time, HAZ hardness of the joints made with the conical pin decreased. Effective weld width determined the weld strength under the tensile shear loading condition: larger effective weld width resulted in higher weld strength. Weld strength of the joints made with cylindrical pins was higher. The joints fabricated with hexagonal pins had the lowest weld strength. In general, higher dwell time led to higher weld strength. The welds with the higher strength experienced both brittle and ductile fractures, while the joints with the lower strength exhibited completely brittle fracture.
dc.description.sponsorshipUludag University Scientific Research Fund (BAP) [OUAP MH 2014/24]
dc.description.sponsorshipThe authors would like to thank the Uludag University Scientific Research Fund (BAP) for its financial support to this research (Project Contract No. OUAP MH 2014/24).
dc.identifier.doi10.1139/tcsme-2020-0035
dc.identifier.endpage248
dc.identifier.issn0315-8977
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85106724005
dc.identifier.scopusqualityQ3
dc.identifier.startpage233
dc.identifier.urihttps://doi.org/10.1139/tcsme-2020-0035
dc.identifier.urihttps://hdl.handle.net/20.500.12604/7188
dc.identifier.volume45
dc.identifier.wosWOS:000656293900005
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherCanadian Science Publishing
dc.relation.ispartofTransactions of The Canadian Society For Mechanical Engineering
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241222
dc.subject6082 aluminum alloy
dc.subjectfriction stir spot welding
dc.subjectpin profile
dc.subjecthook geometry
dc.subjectmechanical properties
dc.subjectfractography
dc.titleEffect of tool pin profile on the hook geometry and mechanical properties of a friction stir spot welded AA6082-T6 aluminum alloy
dc.typeArticle

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