Friction Stir Tool, Method for Manufacturing the Same, and Friction Stir Method
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United States of America Patent
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app pub date -
Dec 9, 2013
filing date -
Dec 21, 2012
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Abandoned
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Abstract
A load-optimized friction-stir tool, particularly a two-shoulder friction-stir welding tool, includes a first tool body and a pin formation projecting from the first tool body with a smaller outer diameter compared to the outer diameter of the first tool body. The first tool body and the pin formation are integrally formed and the pin formation has a material distribution in cross section that is different from a uniform distribution over a circular shape. A method for manufacturing the friction-stir tool and a friction-stir method that can be executed with the friction-stir tool are also disclosed.
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