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.authoridGundogdu Is, Emine/0000-0002-7614-9165
dc.authorwosidGündoğdu İş, Emine/IXD-5493-2023
dc.contributor.authorGundogdu Is, Emine
dc.contributor.authorAtapek, S. Hakan
dc.contributor.authorYilmaz, Muharrem
dc.date.accessioned2024-06-13T20:18:28Z
dc.date.available2024-06-13T20:18:28Z
dc.date.issued2023
dc.departmentİstanbul Gedik Üniversitesien_US
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.en_US
dc.identifier.doi10.2351/7.0000968
dc.identifier.issn1042-346X
dc.identifier.issn1938-1387
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85163773349en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.2351/7.0000968
dc.identifier.urihttps://hdl.handle.net/11501/1388
dc.identifier.volume35en_US
dc.identifier.wosWOS:001017740500001en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherAip Publishingen_US
dc.relation.ispartofJournal of Laser Applicationsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAr-He Shielding Gas Effecten_US
dc.subjectFiber Laser Weldingen_US
dc.subject5356 Filler Metalen_US
dc.subjectEn Aw 6061-T6 Al Alloyen_US
dc.subjectWelding Speeden_US
dc.subjectMechanical-Propertiesen_US
dc.subjectAluminum-Alloyen_US
dc.subjectHeat-Treatmenten_US
dc.subjectTensile Propertiesen_US
dc.subjectProcess Parametersen_US
dc.subjectMicrostructureen_US
dc.subjectPrecipitationen_US
dc.subjectStrengthen_US
dc.subjectAren_US
dc.subjectChallengesen_US
dc.titleEffect of welding speed and shielding gas composition on the properties of laser welded EN AW 6061-T6 al alloy using 5356 filler metalen_US
dc.typeArticleen_US

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