Effect of Friction Stir Welding Process Parameters on Tensile Strength of AA 6082-T6

Mechanical Engineering

FSW Process is an Innovative solid state joining process which has been employed in different applications like Automotive, Rail, Aerospace, Marine industries for joining the various Aluminum, Magnesium, Zinc & Copper alloys. The various parameters such as tool rotational speed (TS), welding speed (WS), tool geometry (TG) and contact angle play vital role in the FSW process, in order to analyze the weld quality. The aim of this study is to investigate the effect of tool rotational speed/spindle speed, welding speed and tool pin profile i.e. Three different factors on weld strength, as well as to investigate the optimum tool geometry for maximum ultimate tensile strength at 5 mm plate thicknesses of AA6082-T6 aluminium alloy by using friction stir welding process. AA6082-T6 aluminum alloys were fabricated using the friction stir welding technique to improve the tensile properties such as ultimate tensile strength (UTS). The Central Composite Face Centered method with Three significant factors—Tool rotational speed (TRS)), Welding speed (WS), and Tool geometry (TG) each having three levels—was used with response surface methodology to develop a mathematical model.

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