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Recently, smaller and lighter products have become of interest in industry applications that increasingly demand thin plate joints of thickness 1.0 mm or less using friction stir welding. In this study, high frequency spindles that run at 3,500 6,500 rpm are introduced for thin friction stir-welded plates. Weldability tests are – performed for the butt-joint method of Al5052-H32 alloy of 1.0 mm thickness under 3,500 6,500 rpm spindle – revolution with 250 400 mm/min feed speed. An optical microscope was used to analyze the bid structure of – the welded zone and stir zone. The tensile-strength and hardness of the welded zone were then measured.

The Weldability of a Thin Friction Stir Welded Plate of Al5052-H32 using High Frequency Spindle