Influence of Welding Parameters on Weld Timings, Temperature Variation and Mechanical Strength of Friction Stir Welded AA6061 and AA6082 Alloy
Authors
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Department of Mechanical Engineering, Siddaganga Institute of Technology, Tumakuru - 572103, Karnataka ,IN
S. Prashantha -
Department of Mechanical Engineering, Siddaganga Institute of Technology, Tumakuru - 572103, Karnataka ,INB. R. Omkaresh
DOI:
https://doi.org/10.18311/jmmf/2024/44426Keywords:
AA6061, AA6082, Dissimilar Tool, Fracture Analysis, Friction Stir Welding, Temperature Variation, Weld TimingsAbstract
Friction stir welding is a type of welding that creates friction using a stirring tool while the work-pieces are held together in the welding joint configuration. Friction stir welding is a solid-state welding process. It is one of the efficient ways of joining technology of materials. The friction forces at a microscopic level to change the inner structure of metal properties and it is done by using the kinetic energy of friction in welding methods. This work is majorly carried out to optimize the process parameters like tool rotational speed, Feed, ultimate tensile strength of friction stir welded joint on AA6061 and AA6082 alloy. Welding speed and temperature variation in the workpiece during the welding is recorded for different trials. Failure analysis was carried out for different fractured surfaces by using Scanning Electron Microscope (SEM) revels ductile fracture due to micro void coalescence. The maximum ultimate tensile strength was at a speed of 900 rpm, feed 31.5 mm/min indicates high joint efficiency. Welding speed is more at the feed 90mm/min. Maximum rise in the temperature is at speed 2000 rpm and feed 90 mm/min.
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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Accepted 2024-06-21
Published 2024-07-22
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