Study of Corrosion behaviour on Tig and Friction Stir Welded Joints of AA6061-T4
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2018, Vol 8, Issue 2
Abstract
Aluminium alloy 6061, treated with T4 condition of thickness 4mm were butt welded by Friction Stir Welding (FSW) and Tungsten inert gas welded (TIG) method. Process parameter decides the quality of weld in FSW and TIG method. Friction Stir Welding is done by varying the speed of rotation of tool and speed of the welding with constant axial load of 8KN. GTAW is done by varying current with ER4346 filler material. The welded joints are tested for its corrosion rate in Potentiostat with 3.5% Nacl solution. The corrosion behavior of welded joints was probed by Tafel polarization curve. This technique uses data obtained from cathodic and anodic polarization measurement. Tafel plots provide the direct measure of the corrosion current, which canbe related to corrosion rates. The result shows that FSW at 1200rpm has the higher corrosion resistance, comparatively
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- EP ID EP347642
- DOI 10.24247/ijmperdapr2018105
- Views 87
- Downloads 0
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