Welding Information Blog

Published By MattOn:21 October 2009 1:31 PM CEST Source This close-up view of the friction stir weld tack tool used to manufacture of space shuttle external tanks shows the process of tack welding barrel panels together. Barrels were previously fabricated using traditional fusion welding, but friction stir welding is different in that the materials are not melted. A rotating tool pin uses friction and applied pressure to join the 20-foot longitudinal panels together. Friction stir welding is th

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Picture of the Day – Friction Stir Weld