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US 7,824,606 B2Granted
Nickel-based alloys and articles made therefrom
AssigneeHoneywell International Inc.
InventorMark Heazle
Life of this patent
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Abstract
The invention provides nickel-based alloys that are useful in the preparation of articles for applications requiring high mechanical and physical properties, such as high strength and high heat stability, while simultaneously reducing the cost of preparation of the alloys. The invention further provides articles, such as turbine wheels, prepared using the inventive alloys.
Claims12
An alloy composition consisting of:
- about 1% to about 5% by weight cobalt;
- about 1% to about 5% by weight iron;
- about 5% to about 7% by weight chromium;
- about 5.5% to about 6.5% by weight aluminum;
- about 9.5% to about 11.5% by weight tungsten;
- about 1.3% to about 2.7% by weight molybdenum;
- about 1% to about 2% by weight niobium;
- about 0.05% to about 0.15% by weight carbon;
- about 0.05% to about 0.2% by weight zirconium;
- about 0.01% to about 0.03% by weight boron;
- and
- the balance nickel and unavoidable impurities, based on the overall weight of the composition.
9 more elements
Dependencies are inferred from the claim text.