Influence of Welding Speed on Fracture Toughness of Friction StirWelded AA2024-T351 Joints

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dc.citation.spage1561
dc.citation.volume14
dc.contributor.authorMilčić, Miodrag
dc.contributor.authorMiličić, Dragan
dc.contributor.authorVuherer, Tomaž
dc.contributor.authorRadović, Ljubica
dc.contributor.authorRadisavljević, Igor
dc.contributor.authorĐurić, Aleksija
dc.date.accessioned2023-06-02T07:21:37Z
dc.date.available2023-06-02T07:21:37Z
dc.date.issued2021
dc.description.abstractIn order to ensure a quality welded joint, and thus safe operation and high reliability of the welded part or structure achieved by friction stir welding, it is necessary to select the optimal welding parameters. The parameters of friction stir welding significantly affect the structure of the welded joint, and thus the mechanical properties of the welded joint. Investigation of the influence of friction stir welding parameters was performed on 6-mm thick plates of aluminum alloy AA2024 T351. The quality of the welded joint is predominantly influenced by the tool rotation speed n and the welding speed v. In this research, constant tool rotation speed was adopted n = 750 rpm, and the welding speed was varied (v = 73, 116 and 150 mm/min). By the visual method and radiographic examination, imperfections of the face and roots of the welded specimens were not found. This paper presents the performed experimental tests of the macro and microstructure of welded joints, followed by tests of micro hardness and fracture behavior of Friction StirWelded AA2024-T351 joints. It can be concluded that the welding speed of v = 116 mm/min is favorable with regard to the fracture behavior of the analysed FSW-joint.
dc.identifier.doi10.3390/ma14061561
dc.identifier.urihttps://vaseljena.ues.rs.ba/handle/123456789/261
dc.language.isoen
dc.publisherMDPI
dc.sourceMaterials
dc.subjectfriction stir welding; process parameters; welding speed; tool rotation speed; AA-2024-T351; fracture toughness
dc.titleInfluence of Welding Speed on Fracture Toughness of Friction StirWelded AA2024-T351 Joints
dc.typeArticle
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