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:
Apr. 28, 2020
Filed:
Sep. 08, 2014
Ali Unal, Export, PA (US);
Gavin F. Wyatt-mair, LaFayette, CA (US);
David A. Tomes, San Antonio, TX (US);
Thomas N. Rouns, Pittsburgh, PA (US);
Lynette M. Karabin, Ruffs Dale, PA (US);
Ali Unal, Export, PA (US);
Gavin F. Wyatt-Mair, LaFayette, CA (US);
David A. Tomes, San Antonio, TX (US);
Thomas N. Rouns, Pittsburgh, PA (US);
Lynette M. Karabin, Ruffs Dale, PA (US);
ARCONIC INC., Pittsburgh, PA (US);
Abstract
An aluminum alloy product and method for producing the aluminum alloy product that, in some embodiments, includes an aluminum alloy strip having at least 0.8 wt. % manganese, at least 0.6 wt % iron, or at least 0.8 wt. % manganese and at least 0.6 wt % iron. A near surface of the aluminum alloy strip, in some embodiments, is substantially free of large particles having an equivalent diameter of at least 50 micrometers and includes small particles. Each small particle, in some embodiments, has a particular equivalent diameter that is less than 3 micrometers, and a quantity per unit area of the small particles having the particular equivalent diameter is at least 0.01 particles per square micrometer at the near surface of the aluminum alloy strip.