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.
Patent No.:
Date of Patent:
Mar. 16, 2021
Filed:
Feb. 12, 2020
Applicant:
Novelis Inc., Atlanta, GA (US);
Inventors:
Samuel Robert Wagstaff, Marietta, GA (US);
Kathleen Anna Bennett, Spokane Valley, WA (US);
Elli Taylor Tindall, Coeur D'Alene, ID (US);
Assignee:
NOVELIS INC., Atlanta, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 11/00 (2006.01); B22D 11/103 (2006.01); B22D 11/114 (2006.01);
U.S. Cl.
CPC ...
B22D 11/003 (2013.01); B22D 11/103 (2013.01); B22D 11/114 (2013.01);
Abstract
Systems and methods for making aluminum alloy products are described including those that decrease the tendency for hot tearing or shrinkage porosity to occur during casting by introducing forced convection during the casting process. The forced convection may result in formation of high circularity grains during the solidification process, thereby increasing the permeability of the liquid aluminum alloy and decreasing the tendency for hot tearing or shrinkage porosity to occur.