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Friction Stir Welding of Magnesium Alloys
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2003
Year
Materials ScienceFriction WeldingMagnesium AlloysEngineeringCorrosionWelding ProcessSound WeldsMechanical EngineeringDie-cast Magnesium AlloysSolid MechanicsFriction Stir WeldingWeld Pool SolidificationAlloy CastingMetal ProcessingMicrostructureAlloys
An investigation has been carried out on the friction stir welding of four magnesium alloys. These consisted of one wrought and three die-cast magnesium alloys, including those containing manganese such as AM50 and AM60, and also zinc such as AZ91 and AZ31 (wrought material). All of the alloys have each been successfully welded to themselves and also to each other, without any problems from the trapped gases in the cast materials, but the tolerance box of processing parameters to ensure that sound welds are produced has been found to be more restrictive than those seen in friction stir welding aluminium alloys.