C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 30/00 (2006.01) B23P 15/00 (2006.01) B32B 15/00 (2006.01) B32B 15/01 (2006.01) C23C 14/06 (2006.01) C23C 14/16 (2006.01) C23C 14/24 (2006.01) C23C 18/50 (2006.01) C23C 28/00 (2006.01) F01D 5/08 (2006.01) F01D 5/28 (2006.01) F01D 9/02 (2006.01) F01D 25/00 (2006.01) F02C 7/00 (2006.01) F02C 7/24 (2006.01)
Patent
CA 2452229
A coated article (20) has a metallic substrate (26) with a substrate composition, and a metallic coating (28) overlying and contacting the metallic substrate (26). The metallic coating (28) has a metallic-coating composition different from the substrate composition. A protective coating (30) overlies and contacts the metallic coating (28). The protective coating (30) includes an aluminide layer (32) overlying and contacting the metallic coating (28), and optionally a thermal barrier coating (36) overlying and contacting the aluminide layer (32). This structure may be used to restore a key dimension of an article (20) that has previously been in service and to protect the article (20) as well.
Article revêtu (20) comportant un substrat métallique (26) d'une certaine composition et un revêtement métallique (28) recouvrant le substrat métallique (26) et entrant en contact avec lui. La composition du revêtement métallique (28) est différente de celle du substrat. Un revêtement protecteur (30) recouvre le revêtement métallique (28) et entre en contact avec lui. Le revêtement protecteur (30) comprend une couche d'aluminure (32) recouvrant le revêtement métallique (28) et entrant en contact avec lui, ainsi que, facultativement, un revêtement de protection thermique (36) recouvrant la couche d'aluminure (32) et entrant en contact avec elle. Cette structure peut servir à redonner une certaine dimension clé à un article (20) qui a déjà été utilisé ainsi qu'à protéger l'article (20).
Das Nripendra Nath
Grady Wayne Ray
Kelly Thomas Joseph
Rosenzweig Mark Alan
Weimer Michael James
Company General Electric
Craig Wilson And Company
LandOfFree
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