C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 30/00 (2006.01) C23C 16/02 (2006.01) C23C 16/40 (2006.01) C23C 28/02 (2006.01)
Patent
CA 2597898
A method for making an oxidation resistant article, including (a) depositing a layer of a Pt group metal on a substrate to form a platinized substrate; and (b) depositing on the platinized substrate layer of Pt group metal a layer of a reactive element selected from the group consisting of Hf, Y, La, Ce and Zr and combinations thereof to form a surface modified region thereon, wherein the surface modified region includes the Pt-group metal, Ni, Al and the reactive element in relative concentration to provide a .gamma.-Ni + .gamma.~- Ni3Al phase constitution.
L'invention porte sur un procédé d'élaboration d'un article résistant à l'oxydation consistant: (a) à déposer une couche d'un métal du groupe Pt sur un substrat pour le platiner; et (b) à déposer sur le substrat platiné une couche d'un élément réactif choisi parmi Hf, Y, La, Ce et Zr et leurs combinaisons, pour y former une zone à surface modifiée comprenant le métal du groupe Pt, du Ni, de l'Al et l'élément réactif dans des concentrations relatives pour constituer une phase ?-Ni + ?'-Ni3Al.
Brindley William John
Gleeson Brian
Li Bingtao
Sordelet Daniel J.
Gowling Lafleur Henderson Llp
Iowa State University Research Foundation Inc.
Rolls-Royce Corporation
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