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:
Feb. 24, 2004
Filed:
Jun. 14, 2001
Applicant:
Inventors:
Marie Pierre Bacos, Antony, FR;
Pierre Josso, Issy-les-Moulineaux, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 1/854 ; C25D 5/04 ;
U.S. Cl.
CPC ...
C23C 1/854 ; C25D 5/04 ;
Abstract
The invention concerns a method comprising a step which consists in producing, on a precursor alloy powder containing at least the elements Cr, Al and Y, using a chemical or electrolytic deposition bath, a deposition containing at least a modifying element such as platinum, palladium, ruthenium or rhenium. The modifying element enhances the capacity of the coating to form from phase &bgr;, by exposure to oxygen at high temperature, an adhesive alumina surface barrier. The invention is useful for protecting against corrosion and oxidation at high temperatures aviation turbine blades.