Content Description

Chapter 7 from the Welding Handbook, Ninth Edition, Volume 3, “Welding Processes, Part 2,” has been selected by the AWS Product Development Committee as a service to industry professionals. Information in this chapter provides a basic understanding of the friction stir welding process and a variation of the process, friction stir spot welding. Topics include equipment and controls, process variables, materials and applications, mechanical properties, weld quality, economics, and safe practices. Additional topics discussed in this chapter are heat transfer, material flow, residual stress, nondestructive examination, and corrosion. Lists of technical papers that have been used in compiling this chapter are provided in the Bibliography. An important feature of the Bibliography is the grouping of these papers according to the specific alloys welded with the friction stir process. 

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