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. 16, 1989
Filed:
Nov. 05, 1987
Applicant:
Inventors:
Assignee:
National Research Institute for Metals, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F / ;
U.S. Cl.
CPC ...
148-3 ; 148162 ; 148404 ; 148410 ;
Abstract
A heat-resistant Ni-base single crystal alloy, suitable as a material for blades and vanes of gas turbines or jet engines, consists of, by weight, 5 to 10% of Co, 5 to 10% of Cr, 9 to 15% of W, 1 to 5% of Mo, 4.5 to 6% of Al, 5 to 10% of Ta, and the balance substantially of Ni with the total proportion of W, Mo and Ta being 17 to 24%, and is produced by directional solidification of a melt of the above-specified composition, followed by solution treatment and aging treatment.