An overview over Friction Stir. Welding

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2015 by IJETT Journal
Volume-27 Number-5
Year of Publication : 2015
Authors : Umasankar Das, Dr. Vijay Toppo


Umasankar Das, Dr. Vijay Toppo"An overview over Friction Stir. Welding", International Journal of Engineering Trends and Technology (IJETT), V27(5),221-230 September 2015. ISSN:2231-5381. published by seventh sense research group

Through this paper an attempt is made to study and review a special welding technology of friction stir welding (FSW) which is a solid-state joining process. Friction Stir Welding (FSW) is a recent advanced technique, invented by The Welding Institute (TWI) in 1991, that utilizes a nonconsumable rotating welding tool to generate frictional heat and plastic deformation at the welding location; thereby, affecting the formation of a joint while the material is in the solid state. In particular, FSW can be used to join high-strength aerospace aluminum alloys and other high temperature metallic alloys that are difficult to weld by conventional fusion welding method. FSW is considered to be the most significant development in metal joining process in a decade The comprehensive body of knowledge that has built up with respect to the friction stir welding (FSW) of aluminum alloys. This study addresses the current state of understanding and development of the FSW process. The principles of weld formation, welding parameters, design principles, including metal flow and thermal history, before discussing how process parameters affect the weld microstructure and the likelihood of defects. and application areas of FSW for improved welding are discussed The major applications of FSW in the field of aerospace, shipbuilding and automotive are also discussed with reference to the several technical reports from FSW machine manufacturers


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Friction stir welding, metal flow, process parameters, mechanical properties, Microstructure.