Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate
2007-07-31
2007-07-31
LaVilla, Michael E. (Department: 1775)
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
C428S648000, C428S680000, C428S632000, C428S666000, C428S220000, C416S24100B
Reexamination Certificate
active
10711888
ABSTRACT:
A coating system and coating method for damping vibration in an airfoil of a rotating component of a turbomachine. The coating system includes a metallic coating on a surface of the airfoil, and a ceramic coating overlying the metallic coating. The metallic coating contains metallic particles dispersed in a matrix having a metallic and/or intermetallic composition. The metallic particles are more ductile than the matrix, and have a composition containing silver and optionally tin. The method involves ion plasma cleaning the surface of the airfoil before depositing the metallic coating and then the ceramic coating.
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patent: 6059533 (2000-05-01), Stoker et al.
patent: 6132175 (2000-10-01), Cai et al.
“Functionally Graded EB PVD Coatings”; B.A. Movchan; Surface & Coatings Technology 149 (2002); pp. 252-262, no month.
Corbly Dennis Martin
Darolia Ramgopal
Movchan Boris Alexeevich
Ustinov Anatolii Ivanovich
Weaver Matthew Mark
General Electric Company
Hartman Domenica N. S.
Hartman Gary M.
LaVilla Michael E.
Narciso David L.
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