Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Reexamination Certificate
2008-04-29
2008-04-29
Lavilla, Michael E. (Department: 1794)
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
C428S215000, C428S335000, C428S336000, C428S666000, C428S678000, C428S680000, C428S681000, C416S22900R, C416S24100B
Reexamination Certificate
active
11567382
ABSTRACT:
An environmental coating suitable for use on turbine components, such as turbine disks and turbine seal elements, formed of alloys susceptible to oxidation and hot corrosion. The environmental coating is predominantly a solid solution phase of nickel, iron, and/or cobalt. The coating contains about 18 weight percent to about 60 weight percent chromium, which ensures the formation of a protective chromia (Cr2O3) scale while also exhibiting high ductility. The coating may further contain up to about 8 weight percent aluminum, as well as other optional additives. The environmental coating is preferably sufficiently thin and ductile to enable compressive stresses to be induced in the underlying substrate through shot peening without cracking the coating.
REFERENCES:
patent: 4451431 (1984-05-01), Naik
patent: 4714624 (1987-12-01), Naik
patent: 5368888 (1994-11-01), Rigney
patent: 5500252 (1996-03-01), Meelu
patent: 6139976 (2000-10-01), Czech et al.
patent: 6283715 (2001-09-01), Nagaraj et al.
patent: 6532657 (2003-03-01), Weimer et al.
patent: 6755613 (2004-06-01), Schmitz
patent: 6921251 (2005-07-01), Ackerman et al.
patent: 6926928 (2005-08-01), Ackerman et al.
patent: 6933012 (2005-08-01), Das et al.
patent: 6964791 (2005-11-01), Zhao et al.
patent: 2005/0255329 (2005-11-01), Hazel
Hazel Brian Thomas
Weimer Michael James
Andes William Scott
General Electric Company
Hartman Domenica N.S.
Hartman Gary M.
Lavilla Michael E.
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