ABSTRACT
This chapter builds and strengthens the understanding of reader on Friction Stir Welding (FSW) practice of all categories of Al alloys. FSW is a solid state welding process, which was originally developed to weld aluminum alloys. The enormous potential of FSW attracted other industrial sectors and, shipbuilding industry became a major sector in which weight of aluminum being FSW is one of the largest. FSW is widely used to join aluminum alloys in many industrial sectors including automobile, shipbuilding, aerospace, etc. Aluminum alloys possess several properties that make them best alternatives among the available materials for transportation and commercial applications. Several aluminum alloys can be generally welded using fusion welding processes such as gas metal arc welding (GMAW) and gas tungsten arc welding (GTAW). The chapter draws most recent comprehensive literature and explains the topics covered by drawing relevant micrographs and Transmission electron microscopy (TEM) outputs.
