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Effect of Post-Weld Heat Treatment on the Mechanical Properties of Friction Stir Welds of Dissimilar Aluminum Alloys

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Figure

Fig 3 Optical microstructure of weld nugget (a) before (b) after PWHT
Fig. 6(a) EDS quantitative analysis in TMAZ region of AA 2024 (b) EDS quantitative analysis in TMAZ region of AA 6351 and The SEM images of AA2024 and AA6351(800rpm and 0.7mm/min),(c)2024 HAZ  (d)6351 HAZ  (e)2024 base   (f)6351 base

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