US 12,416,069 B2
Thermomechanically processed, nanostructure aluminum-rare earth element alloys
Hunter Bryant Henderson, Livermore, CA (US); David Weiss, Manitowoc, WI (US); Ryan T. Ott, Ames, IA (US); and Orlando Rios, Knoxville, TN (US)
Assigned to Lawrence Livermore National Security, LLC, Livermore, CA (US); Eck Industries, Inc., Manitowoc, WI (US); Iowa State University Research Foundation, Inc., Ames, IA (US); and University of Tennessee Research Foundation, Knoxville, TN (US)
Filed by Lawrence Livermore National Security, LLC, Livermore, CA (US); Eck Industries, Inc., Manitowoc, WI (US); Iowa State University Research Foundation, Inc., Ames, IA (US); and University of Tennessee Research Foundation, Knoxville, TN (US)
Filed on Jun. 1, 2021, as Appl. No. 17/335,274.
Prior Publication US 2022/0380870 A1, Dec. 1, 2022
Int. Cl. C22C 21/10 (2006.01); B22F 1/05 (2022.01)
CPC C22C 21/10 (2013.01) [B22F 1/05 (2022.01); B22F 2301/052 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A product, comprising:
a material having aluminum and at least one rare earth element (REE),
the material having the following microstructure features:
at least 1 volume % particles of a phase of an aluminum-rare earth element alloy,
wherein the particles comprise at least 5 weight % of the at least one rare earth element,
wherein the particles have an average aspect ratio less than or equal to 5, and
wherein at least 20% by volume of the particles of the aluminum-rare earth element alloy have a particle size above 100 nm.