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Friction Stir Welding of Ferrous and Nickel Alloys
www.asminternational.orgFriction Stir Welding of Ferrous and Nickel Alloys Carl D. Sorensen and Tracy W. Nelson ... Tool Cooling.The welding zone tempera-tures frequently reach 900 to 1200 °C (1650 to ... have high thermal conductivity relative to the tool steel commonly used for aluminum. To prevent damage to the spindle bearings and to establish a consistent ...