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Preparation of nanostructured materials having improved ductility

United States Patent

April 20, 2010
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A method for preparing a nanostructured aluminum alloy involves heating an aluminum alloy workpiece at temperature sufficient to produce a single phase coarse grained aluminum alloy, then refining the grain size of the workpiece at a temperature at or below room temperature, and then aging the workpiece to precipitate second phase particles in the nanosized grains of the workpiece that increase the ductility without decreasing the strength of the workpiece.
Zhao; Yonghao (Los Alamos, NM), Zhu; Yuntian T. (Los Alamos, NM)
Los Alamos National Security, LLC (Los Alamos, NM)
11/ 438,929
May 22, 2006
STATEMENT REGARDING FEDERAL RIGHTS This invention was made with government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The government has certain rights in the invention.