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.

Date of Patent:
Jan. 11, 2022

Filed:

Oct. 24, 2017
Applicants:

Safran, Paris, FR;

Safran Aircraft Engines, Paris, FR;

Office National D'etudes ET DE Recherches Aerospatiales, Palaiseau, FR;

Safran Helicopter Engines, Bordes, FR;

Inventors:

Jérémy Rame, Moissy-Cramayel, FR;

Philippe Belaygue, Moissy-Cramayel, FR;

Pierre Caron, Les Ulis, FR;

Joël Delautre, Moissy-Cramayel, FR;

Virginie Jaquet, Moissy-Cramayel, FR;

Odile Lavigne, Paris, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 39/00 (2006.01); C22C 19/05 (2006.01); C30B 29/52 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
C22C 19/057 (2013.01); C30B 29/52 (2013.01); F01D 5/28 (2013.01); F01D 5/284 (2013.01);
Abstract

A nickel-based superalloy comprises in mass percent: 4.0% to 6.0% chromium; 0.4% to 0.8% molybdenum; 2.5% to 3.5% rhenium; 6.2% to 6.6% tungsten; 5.2% to 5.7% aluminum; 0.0 to 1.6% titanium; 6.0% to 9.9% tantalum; 0.0 to 0.7% hafnium; and 0.0 to 0.3% silicon; the balance being constituted by nickel and any impurities. A monocrystalline blade comprises such an alloy and a turbomachine including such a blade.


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