International Journal of All Research Education & Scientific Methods

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ISSN: 2455-6211

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Evaluation of Mechanical behaviour of frictio...

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Evaluation of Mechanical behaviour of frictio...

Evaluation of Mechanical behaviour of friction stir welding of Aluminium Alloy 6063

Author Name : Akshay Sheoran, Mr. Pardeep Ghalot, Mr. Rajesh

ABSTRACT  Aluminium alloy 6063 is basically used in aerospace industry, marine industry, architectural fabrication, doors, window etc. Aluminium alloys having strengths approaching or comparable to mild steel, equal-strength structures can be designed to a weight saving up to 65%. The advantages of weight saving in many types of marine vessels are increased payload. When we weld the aluminium alloy with fussion welding so many defects produce due to large difference in physical and chemical properties of the components to be joined. But by the friction stir welding the joints produced defects free. For avoiding the drawback of fusion welding friction stir welding seems to be very reliable technique. So I select this one. Friction stir welding is a solid state welding that uses friction generated by a rotating cylindrical tool which produce heat, plasticize the movement of material to produce joint. In fsw the tool melting point is always much higher than the melting point of workpiece. In friction stir welding non consumable rotating tool is used and the process parameter are rotational speeds and welding speeds. In this study we work the three different tool rotational speeds (730, 930, 1190) and three different feed rates (33, 43, 54). After that we finally experienced that the rotational speed increase the tensile strength, and micro hardness of workpiece is also increase and when the welding speed is increase finishing, tensile strength and hardness of welded workpiece is decrease.