A Review on Tool materials, geometries and welding variables used for Friction Stir Welding

Mechanical Engineering

Friction Stir welding Process is an Innovative solid state joining process which has been employed in different applications like Automotive, Rail, Aerospace, Marine industries for joining the various Aluminum, Magnesium, Zinc & Copper alloys. The various distinct parameters which plays a vital role while joining the alloys with help of Friction Stir Welding process are, selection of tool material, selection of tool geometries, selection of process parameters like tool rotational speed, tool traverse speed, axial force, weld angle, etc. Also these factors plays a major role to obtain a good quality welds. Many researchers have experimented on FSW and reported about the relations between welding properties as well as the various process conditions. The objective of this paper is to carry out critical literature review of tool materials, geometries & welding variables used for friction stir welding. This review is helpful for upcoming researcher to optimize process parameters in friction stir welding

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