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US 2016/0258041 A1Published application
Die-castable nickel based superalloy composition
AssigneeUnited Technologies Corporation
InventorAwadh B. Pandey
Life of this patent
Estimating the term…
Abstract
A die-cast nickel based superalloy including 3-7 wt % Tungsten (W), 3-7 wt % Tantalum (Ta), and 0.5-3.0 wt % Aluminum (Al).
Claims20
A die-cast nickel based superalloy comprising:
- 3-7 wt % Tungsten (W), 3-7 wt % Tantalum (Ta), and 0.5-3.0 wt % Aluminum (Al).
A nickel based superalloy consisting of:
- 0.15-0.2 wt % Carbon (C), 0-0.2 wt % Manganese (Mn), 0-0.2 wt % Silicon (Si), 0-0.015 wt % Phosphorus (P), 0-0.015 wt % Sulfur (S), 8.0-11.0 wt % Chromium (Cr), 13.0-17.0 wt % Cobalt (Co), 2.0-4.0 wt % Molybdenum (Mo), 4.5-5.5 wt % Tungsten (W), 4.5-5.5 wt % Tantalum (Ta), 0.5-3.0 wt % Aluminum (Al), 3.0-5.0 wt % Titanium (Ti), 0.01-0.02 wt % Boron (B), 0.7-1.2 wt % Vanadium (V), 0.03-0.09 Zirconium (Zr), 0-0.30 wt % Iron (Fe), 0-0.00003 wt % Bismuth (Bi), 0-0.0005 wt % Lead (Pb), 0-0.00005 wt % Selenium (Se), 0-0.00005 wt % Tellurium (Te), 0-0.00005 wt % Thallium (Tl) and the balance Nickel (Ni) plus incidental impurities.
A gas turbine engine rotor blade, comprising:
- a die cast nickel based superalloy including a 0.15-0.2 wt % Carbon (C), 0-0.2 wt % Manganese (Mn), 0-0.2 wt % Silicon (Si), 0-0.015 wt % Phosphorus (P), 0-0.015 wt % Sulfur (S), 8.0-11.0 wt % Chromium (Cr), 13.0-17.0 wt % Cobalt (Co), 2.0-4.0 wt % Molybdenum (Mo), 4.5-5.5 wt % Tungsten (W), 4.5-5.5 wt % Tantalum (Ta), 0.5-3.0 wt % Aluminum (Al), 3.0-5.0 wt % Titanium (Ti), 0.01-0.02 wt % Boron (B), 0.7-1.2 wt % Vanadium (V), 0.03-0.09 Zirconium (Zr), 0-0.30 wt % Iron (Fe), 0-0.00003 wt % Bismuth (Bi), 0-0.0005 wt % Lead (Pb), 0-0.00005 wt % Selenium (Se), 0-0.00005 wt % Tellurium (Te), 0-0.00005 wt % Thallium (Tl) and the balance Nickel (Ni) plus incidental impurities.
Dependencies are inferred from the claim text.