Abstract
Friction stir welding is a new technique for the complicated task for welding the aluminum alloys. The experimental work presents a complete study on friction stir welding of armour grade aluminium alloy. The input process parameters producing effects were completely analysed. The basic principles of FSW are illustrated; including thermal history and material flow before discussing how the process parameters affect the weld microstructure and related distribution of hardness are examined for AA5083-H32.The Aluminium alloys such as H5083 called armour grade. Aluminium alloy 5083 exhibits the tremendous performance in the extreme environments. The material mostly applied in construction of ship building, vehicle bodies, mine skip and cages and pressure vessels. The effect of input parameters such as tool profile, rotational speed, and translational speed was investigated. The thermal histories, micro hardness and tensile strength were analysed. Dynamic polarization test was performed for measuring the pitting corrosion resistance. The parameters ranges from 700 to 1400rpm and feed rates from 20 to40 mm/min.The optimized input values which produced good tensile and harness values.
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