Effect of welding speed and shielding gas composition on the properties of laser welded EN AW 6061-T6 al alloy using 5356 filler metal

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dc.contributor.authorGündoğdu İş, Emine
dc.contributor.authorAtapek, Şaban Hakan
dc.contributor.authorYılmaz, Muharrem
dc.date.accessioned2024-06-13T20:18:28Z
dc.date.available2024-06-13T20:18:28Z
dc.date.issued2023
dc.departmentMeslek Yüksekokulu, Gedik Meslek Yüksekokulu, Kaynak Teknolojisi Programı
dc.description.abstractIn this study, EN AW 6061-T6 Al alloy having a thickness of 6 mm was joined with a 5000 W fiber laser welding machine using different welding speeds (20, 25, and 35 mm/s) and shielding gas compositions (100% Ar, % 50 Ar + % 50 He, % 25 Ar + 75 He). In order to reduce the strength decrease in the weld zone, 5356 filler metal with a diameter of 1.2 mm was used with the cold wire feeding method at a constant speed of 2 m/min. Structural analyses of the joints were performed by macroscopic and microscopic examination, and hardness profiles and strength values of the joints were determined by mechanical tests. The findings showed that (i) the width of the seam increased due to the increase in the amount of He in the gas composition, and the number of pores decreased accordingly, (ii) although no significant change was observed in the hardness profiles, the highest tensile strength value (242 MPa) was obtained using a gas composition of 50% He + 50% Ar and welding speed of 20 mm/s, (iii) shear failure was the dominant fracture, and the porosities played a decisive role in the fracture.
dc.identifier.doi10.2351/7.0000968
dc.identifier.issn1042-346X
dc.identifier.issn1938-1387
dc.identifier.issue3
dc.identifier.scopus2-s2.0-85163773349
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.2351/7.0000968
dc.identifier.urihttps://hdl.handle.net/11501/1388
dc.identifier.volume35
dc.identifier.wosWOS:001017740500001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorGündoğdu İş, Emine
dc.institutionauthorid0000-0002-7614-9165
dc.language.isoen
dc.publisherLaser Institute of America Publishing
dc.relation.ispartofJournal of Laser Applications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAr-He Shielding Gas Effect
dc.subjectFiber Laser Welding
dc.subject5356 Filler Metal
dc.subjectEN AW 6061-T6 Al Alloy
dc.subjectWelding Speed
dc.titleEffect of welding speed and shielding gas composition on the properties of laser welded EN AW 6061-T6 al alloy using 5356 filler metal
dc.typeArticle

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