| US 7,482,039 B2 | ||
| Protective coating for monocrystalline superalloy | ||
| Marie-Pierre Bacos, Antony (France); and Pierre Josso, Issy les Moulineaux (France) | ||
| Assigned to ONERA (Office National d'Etudes et de Recherches Aerospatiales), Chatillon (France) | ||
| Filed on Feb. 01, 2006, as Appl. No. 11/345,807. | ||
| Claims priority of application No. 05 00984 (FR), filed on Feb. 01, 2005. | ||
| Prior Publication US 2007/0071991 A1, Mar. 29, 2007 | ||
| Int. Cl. B05D 3/00 (2006.01); B05D 3/02 (2006.01) | ||
| U.S. Cl. 427—328 [427/327; 427/383.1; 427/383.7; 427/405] | 19 Claims |
| 1. Method of protecting against corrosion of a surface of a monocrystalline superalloy containing at least one refractory
metal comprising:
depositing a layer formed of tungsten and cobalt on the surface of the monocrystalline superalloy; and
depositing an aluminium coating on the tungsten and cobalt layer.
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