Metal treatment – Stock – Nickel base
Reexamination Certificate
2006-11-28
2006-11-28
Ip, Sikyin (Department: 1742)
Metal treatment
Stock
Nickel base
C420S443000, C420S445000
Reexamination Certificate
active
07141128
ABSTRACT:
The invention discloses an intermetallic material consisting of the following composition by weight percent: 10% Al, 22% Cr, 36% Co, 0.2% Y, 0.2% Hf, 2% Ta, 3% Fe, remainder Ni and inevitable impurities. The invention also describes its use as a layer protecting against high temperatures and at locations of thermal turbomachines which are subject to friction or vibration.
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Haugsrud, Reidar et al., On the Oxidation of Ni-23Co-17Cr-12A1-0.5Y Alloy Serving as Bond Coat in Thermal Barrier Coatings; Database CA Online!, Chemical Abstracts Service, Columbus, Ohio, and High Temperature Material Processes, 2000, pp. 339-350, New York.
VDI Berichte 1151, Verein Deutscher Ingenieure, VDI-Gesellschaft Werkstofftechnik, Effizienzsteigerung Durch Innovative Werkstofftechnik, Werkstofftag '95, Tagung Aachen, 15. und 16. Marz, 1995, VDI Verlag.
Kuenzler Andreas
Nazmy Mohamed
Staubli Markus
Alstom Technology Ltd
Ip Sikyin
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