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:
Jul. 25, 1995
Filed:
Aug. 06, 1993
Applicant:
Inventors:
Tasadduq Khan, Jouy en Josas, FR;
Pierre Caron, Les Ulis, FR;
Assignee:
Office National d'Etudes et de Recherches Aerospatiales, Chatillon sous Bagneux, FR;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148428 ; 420443 ; 420448 ;
Abstract
A nickel-based monocrystalline superalloy suitable for turbine engine blades is obtained by adding to the alloy at least one element chosen from erbium and silicon, at a concentration by weight of 50 to 500 ppm for Er and of 500 to 1000 ppm for Si and, optionally, hafnium at a concentration by weight of 500 to 1000 ppm.