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. 14, 2020
Filed:
May. 21, 2018
Safran Aircraft Engines, Paris, FR;
Universite DE Lorraine, Nancy, FR;
Stéphane Knittel, Moissy-Cramayel, FR;
Stéphane Mathieu, Villers les Nancy, FR;
Michel Vilasi, Bouxieres Aux Dames, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
UNIVERSITE DE LORRAINE, Nancy, FR;
Abstract
A part include a refractory alloy including a niobium matrix having metal silicide inclusions present therein, the surface of the part being coated by a protective coating, the protective coating including a phase having the following stoichiometry: (NbTi)MCrSiXwhere M designates Fe, Co, or Ni, X designates one or more other elements that might be present, x lies in the range 0 to 1, x lies in the range 5 to 8.5, and the sum β+γ lies in the range 3 to 7; or NbM'SiX′′ where M′ designates Fe, Co, or Ni, X′ designates one or more other elements that might be present, η lies in the range 3.2 to 4.8, and θ lies in the range 6 to 8.