The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 08, 2018

Filed:

Jul. 07, 2016
Applicants:

Ut-battelle, Llc, Oak Ridge, TN (US);

Eck Industries, Inc., Manitowoc, WI (US);

Lawrence Livermore National Laboratory, Industrial Partnership Office, Livermore, CA (US);

Iowa State University Research Foundation, Inc., Ames, IA (US);

Inventors:

Orlando Rios, Knoxville, TN (US);

Alexander H. King, Ames, IA (US);

Scott K. McCall, Livermore, CA (US);

Michael A. McGuire, Knoxville, TN (US);

Zachary C. Sims, Knoxville, TN (US);

Cori Thorne, Manitowoc, WI (US);

David Weiss, Manitowoc, WI (US);

Gerard M. Ludtka, Oak Ridge, TN (US);

Assignee:

UT-Battelle, LLC, Oak Ridge, TN (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 21/04 (2006.01); C22C 1/02 (2006.01); C22C 21/00 (2006.01); C22F 1/047 (2006.01); C22C 21/06 (2006.01); B22D 21/00 (2006.01);
U.S. Cl.
CPC ...
C22F 1/047 (2013.01); B22D 21/007 (2013.01); C22C 1/026 (2013.01); C22C 21/06 (2013.01);
Abstract

A cast alloy includes aluminum and from about 5 to about 30 weight percent of at least one material selected from the group consisting of cerium, lanthanum, and mischmetal. The cast alloy has a strengthening AlXintermetallic phase in an amount in the range of from about 5 to about 30 weight percent, wherein X is at least one of cerium, lanthanum, and mischmetal. The AlXintermetallic phase has a microstructure that includes at least one of lath features and rod morphological features. The morphological features have an average thickness of no more than 700 um and an average spacing of no more than 10 um, the microstructure further comprising an eutectic microconstituent that comprises more than about 10 volume percent of the microstructure.


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