Skip to Content
Find More Like This
Return to Search

ADDITIVE MANUFACTURING METHODS USING ALUMINUM-RARE EARTH ALLOYS AND PRODUCTS MADE USING SUCH METHODS

United States Patent Application

20180080103
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Described herein are additive manufacturing methods and products made using such methods. The alloy compositions described herein are specifically selected for the additive manufacturing methods and provide products that exhibit superior mechanical properties as compared to their cast counterparts. Using the compositions and methods described herein, products that do not exhibit substantial coarsening, such as at elevated temperatures, can be obtained. The products further exhibit uniform microstructures along the print axis, thus contributing to improved strength and performance. Additives also can be used in the alloys described herein.
Plotkowski, Alex J. (Oak Ridge, TN), Rios, Orlando (Oak Ridge, TN), Babu, Sudarsanam Suresh (Oak Ridge, TN), Dehoff, Ryan R. (Knoxville, TN), Ott, Ryan (Ames, IA), Sims, Zachary C. (Knoxville, TN), Sridharan, Niyanth (Oak Ridge, TN), Weiss, David (Manitowoc, WI), Henderson, Hunter B. (Knoxville, TN)
UT-Battelle, LLC, Eck Industries, Inc., University of Tennessee Research Foundation, and Iowa State University Research Foundation, Inc.
15/ 650,664
July 14, 2017
ACKNOWLEDGMENT OF GOVERNMENT SUPPORT [0002] This invention was made with government support under Contract Nos. DE-AC05-00OR22725 and AC02-07CH33258 awarded by the United States Department of Energy. The government has certain rights in the invention.