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Friction stir method for forming structures and materials

United States Patent

November 22, 2011
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Processes for forming an enhanced material or structure are disclosed. The structure typically includes a preform that has a first common surface and a recess below the first common surface. A filler is added to the recess and seams are friction stir welded, and materials may be stir mixed.
Feng; Zhili (Knoxville, TN), David; Stan A. (Knoxville, TN), Frederick; David Alan (Harriman, TN)
UT-Battelle, LLC (Oak Ridge, TN)
12/ 816,401
June 16, 2010
GOVERNMENT RIGHTS This invention was made with government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.