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Low Density, High Creep Resistant Single Crystal Super Alloy for Turbine AirfoilsA nickel-base superalloy article for use in turbines has increased creep resistance and lower density. The superalloy article includes, as measured in % by weight, 6.0-12.0% Mo, 5.5-6.5%Al, 3.0-7.0% Ta, 0-15% Co, 2.0-6.0% Cr, 1.0-4.0% Re, 0-1.5% W, 0-1.5% Ru, 0-2.0% Ti, 0-3.0% Nb, 0-0.2% Hf, 0-0.02% Y, 0.001-0.005% B, 0.01-0.04% C, and a remainder including nickel plus impurities.
Document ID
20080009750
Acquisition Source
Headquarters
Document Type
Other - Patent
Authors
MacKay, Rebecca A. (NASA Glenn Research Center Cleveland, OH, United States)
Gabb, Timothy P. (NASA Glenn Research Center Cleveland, OH, United States)
Smialek, James L. (NASA Glenn Research Center Cleveland, OH, United States)
Nathal, Michael V. (NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
August 24, 2013
Publication Date
August 28, 2007
Subject Category
Metals And Metallic Materials
Report/Patent Number
Patent Application Number: US-Patent-Appl-SN-10/946286
Patent Number: NASA-Case-LEW-17672-1
Patent Number: US-Patent-7,261,783
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-Case-LEW-17672-1|US-Patent-7,261,783
Patent Application
US-Patent-Appl-SN-10/946286

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