Browse Publications Technical Papers 2018-28-0051


FRICTION STIR WELDING OF ALUMINUM 6082 A. Santhosh1, Dr. M. Devaiah2 Department of Mechanical Engineering, Geethanjali College of Engineering & Technology, Cheeryal (V), Keesara (M), Medchal Dist. 501301, Telangana, INDIA. Corresponding, Mobile No.:+91-9948606326 ABSTRACT Friction Stir Welding (FSW) overcomes many of the problems associated with traditional joining techniques. FSW is a solid-state process which produces welds of high quality in difficult-to-weld materials such as aluminum, and is fast becoming the process of choice for manufacturing lightweight transport structures such as boats, trains and aero planes. A rotating cylindrical tool with a profiled probe is fed into a butt joint between two clamped workpieces, until the shoulder, which has a larger diameter than the pin, touches the surface of the workpieces. The probe is slightly shorter than the weld depth required, with the tool shoulder riding at top of the work surface. In the present paper two Aluminum 6082 plates are used with a root gap of 0.25 mm, 0.5 mm and 0.75 mm at variable too speed of 1400 rpm and 1800 rpm. The two aluminum pieces are Friction Stir Welded at above said root gaps and did analysis for different parameters such as Microstructure, SEM, Hardness and tensile strength by using Universal testing machine as per ASTM standards. The main objective of this paper is the analyse behaviour of Friction Stir Welded Aluminum 6082 with different root gaps at different tool speeds for above said parameters. Keywords: Aluminium, Friction Stir Welding, Tensile strength, Hardness, Universal Testing Machine, Root gap, tool speed.


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