Demonstration of a Large-Scale Tank Assembly Via Circumferential Friction Stir Welds

摘要

Five (5) each 14-foot diameter circumferential FSWelds were conducted on the modified CWT, two (2) each pathfinder and three (3) each assembly welds. Tapered circumferential welds were successfully demonstrated. The use of a closeout anvil was successfully demonstrated during one of the pathfinder welds.