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. 30, 1991
Filed:
Dec. 26, 1989
Applicant:
Inventor:
Robert L Fleischer, Schenectady, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148430 ; 148437 ; 420462 ; 420528 ;
Abstract
Intermetallic compounds of ruthenium and aluminum are disclosed comprising about 40 to 51 atomic percent aluminum and the balance substantially ruthenium. The intermetallic compounds have a high hardness up to about 1150.degree. C. and have good room temperature toughness. Hardness is improved by scandium additions up to about 7 atomic percent. Hardness is improved while maintaining good room temperature toughness by boron additions up to about 1 atomic percent.