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:
Aug. 27, 2002
Filed:
Sep. 08, 2000
Gerhard Wydra, Oberschleissheim, DE;
Thomas Cosack, Taufkirchen, DE;
Wolfgang Hinreiner, Weilheim/Teck, DE;
MTU Aero Engines GmbH, Munich, DE;
Abstract
A method for producing a corrosion-resistant and an oxidation-resistant coating on a component in which a slurry is formed by mixing a binder solution with (1) a base powder selected from the group consisting of (a) MCrAlY wherein M is Ni or Co or both, (b) NiCrAl and (c) mixtures of (a) and (b) with (2) an added powder of Al, Pt, Pd, Si or mixtures thereof, each of the said powders having a grain size between 5 and 120 &mgr;m. The slurry is applied onto a component made of a superalloy based on nickel or cobalt. The slurry is hardened on the component to form a hardened slurry coating by heating the slurry to a temperature between room temperature and 450° C., and the hardened slurry coating is heated, to produce diffusion thereof into the component, at a temperature between 750° C. and 1250° C.