Characterization of AA 2219 weldments in T6 condition has been presented in this paper. Automatic TIG welding process has been employed to weld 6.5mm thick 2219-T87 plates. 2319 filler wire has been considered for welding. Tensile and microhardness values have been studied and results confirmed by metallography. 2219 wrought aluminium alloy derives its high strength from the precipitation of CuAl2. T6 has been given as the post weld heat treatment condition to regain the strength lost during the welding.
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Author Name: Paul M Souza, S. Mohanraj , S.Santhi
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Keywords: Aluminium Alloy, 2219, TIG, Heat Treatment, Micro Hardness.