Low density, high creep resistant single crystal superalloy for turbine airfoils
作者： Timothy P. Gabb , James L Smialek , Rebecca A. MacKay , Michael V. Nathal
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摘要: A nickel-base superalloy article for use in turbines has increased creep resistance and lower density. The includes, as measured % 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, 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, a remainder including nickel plus impurities.
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