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:
May. 22, 1990
Filed:
Oct. 12, 1988
Applicant:
Inventor:
Alex Cho, Richmond, VA (US);
Assignee:
Aluminum Company of America, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148 / ; 148415 ; 148417 ; 148439 ; 148440 ;
Abstract
Disclosed is a method of producing an unrecrystallized aluminum base, wrought product having improved levels of strength and fracture toughness. The method comprises providing a body of the aluminum base alloy, hot working the body to a wrought product and then subjecting it to an isothermal soak followed by a ramp anneal.