Abstract
FSW has become the most effective technology in solving problems that have reached the profiled sheets with the continuation of material, particularly in the aerospace industry, with the use of different joining techniques that require high ductility and tensile strength. Current study, FS weldments AA6061-T6 were successfully obtained with varying processing parameters and were mechanically and metallurgically characterized. This paper illustrates macrostructure analysis, influence of tool geometry and process parameters, Fractography analysis microstructure analysis, microhardness of aluminium alloy AA6061-T6.
Highlights
Visual inspection is displayed on welding samples obtained from a variety of welding Parameters to verify defects like surface irregularities, high flash, and lack of penetration or surface open tunnels
AA6061-T6 belongs to a group of heat treatable 6xxx series which contains Al-Mg-Si as major composition
The cast AA6061-T6, Al-Si-Cu or Al-Si-Cu-Mg belongs to aluminium alloys
Summary
After preparation two plates are clamped in welding fixture which qualities welding. ➢ Edges of plates before welding should have good finish, with cleaned surface from oil and dirt to get defect free welded joints. ➢ Securely fix plates without any gap between the welding edges, this gap if it exists effects weld quality and the welded joint may be has a defect in the welded line. ➢ Positioning accurately two edges of plates on the same axis of welding tool (z axis), otherwise bending occurred due to force applied from tool shoulder and probe on the plate that produce gab dawn the interface of two plates
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