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dc.contributor.authorVenkateswarlu D.en_US
dc.contributor.authorCheepu M.en_US
dc.contributor.authorKranthi Kumar B.en_US
dc.contributor.authorMahapatra M.M.en_US
dc.description.abstractAluminium alloy AA2219 is widely used in light weight structural applications where the good corrosion resistance and specific weight required. The fabrication of this alloy using friction stir welding process is gaining interest towards finding the characteristics of the weld metal properties, since this process involved in the welded materials does not melt and recast. In the present investigation, friction stir welding process was used for different heat treated conditions of 2219-T87 and 2219-T62 aluminium alloys to find the influence of base metal on characteristics of the joints. The experimental output results exhibited that, mechanical properties, weld metal characteristics and joint failure locations are significantly affected by the different heat treatment conditions of the substrate. The joints tensile and yield strength of the 2219-T87 welds was higher than the 2219-T62 welds. Hardness distribution in the stir zone was significantly varied between two different heat treaded material conditions. The microstructural features of the 2219-T62 welds reveal the coarse grains formation in the thermo-mechanically affected zone and heat affected zone. The joint efficiency of the 2219- T82 welds is 59.87%, while that of 2219-T62 welds is 39.10%. In addition, the elongation of the joint also varied and the joints failure location characteristics are different for two different types heat treated condition joints. � Published under licence by IOP Publishing Ltd.en_US
dc.titleAnalysing the Friction Stir Welded Joints of AA2219 Al-Cu Alloy in Different Heat-Treated-Stateen_US
dc.typeConference Paperen_US
Appears in Collections:Research Publications

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