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STRUCTURAL DIRECT-WRITE ADDITIVE MANUFACTURING OF MOLTEN METALS

United States Patent Application

20170362687
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
An alloy for structural direct-writing additive manufacturing comprising a base element selected from the group consisting of aluminum (Al), nickel (Ni) and a combination thereof, and a rare earth element selected from the group consisting of cerium (Ce), lanthanide (La) and a combination thereof, and a eutectic intermetallic present in said alloy in an amount ranging from about 0.5 wt. % to 7.5 wt. %. The invention is also directed to a method of structural direct-write additive manufacturing using the above-described alloy, as well as 3D objects produced by the method. The invention is also directed to methods of producing the above-described alloy.
RIOS, Orlando (Knoxville, TN), WEISS, David (Manitowoc, WI), SIMS, Zachary C. (Knoxville, TN), CARTER, William G. (Oak Ridge, TN), KESLER, Michael S. (Knoxville, TN)
15/ 625,161
June 16, 2017
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] This invention was made with government support under Prime Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.