A REVIEW ON PROCESS PARAMETERS AND THEIR EFFECT ON MECHANICAL PROPERTIES OF SIMILAR AND DISSIMILAR FRICTION STIR WELDED JOINTS
Mohit Saini , Ashish Goyal , Manjeet Bohat , Ravinder Chalia
Abstract
TWI in 1991 came up with FSW, a new revolution in the field of welding for joining materials. It is a solid state welding process which can also weld light and soft materials (like Al, Mg etc.) which are nearly impossible to weld with conventional fusion welding process. Butt, lap, fillet, T and hollow work pieces like pipes tanks etc. can be welded by FSW. In this review different input process parameters and their effect on mechanical properties are studied and concluded that different process parameters (welding speed, tool rotation speed, tilt angle, plunge depth, tool shape etc.) affect the mechanical properties and microstructure of joint made by FSW. FS welded material shows high strength and hardness then fusion welded material. Advantages, disadvantages, application and future scope are also discussed in this study.
References
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