Fatigue Behaviour of FS, LB and MIG Welds of AA6061-T6 and AA6082-T6
The increasing use of aluminium alloys in transportation industry, not only in aeronautics but also in automotive industry, creates the need for research on more efficient and reliable welding processes to be used. In order to allow the industry to use novel manufacturing techniques as Laser Beam Welding and Friction Stir Welding, which promise high efficiency, research work on S-N and crack growth fatigue data from the weld zone is required to provide tools to assess the damage tolerance. This chapter is a contribution to this effort, contrasting the fatigue behaviour of joints made using a traditional process, Metal Inert Gas welding, with those made with Friction Stir and Laser Beam Welding.
KeywordsFatigue Life Crack Length Welding Process Friction Stir Weld Welding Speed
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