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. 31, 1988
Filed:
Apr. 03, 1985
Applicant:
Inventors:
Frank W Gayle, Cambridge, MA (US);
John B Vander Sande, Newbury, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148-2 ; 148-3 ; 148 / ; 148 / ; 148 / ; 148415 ; 148437 ; 420902 ;
Abstract
Novel Al-Li-Zr alloys of the formula Al.sub.bal Li.sub.b Zr.sub.c wherein 'b' is about 1.9 through about 4.5 weight percent and 'c' is about 0.70 through about 4.0 weight percent are disclosed. These alloys can be formed by mixing Al alloy, Li alloy and Zr alloy, heating to high temperatures and rapidly cooling, followed by heat treatment.