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US 10,480,049 B2Granted
Copper alloy and its uses
AssigneeWieland-Werke AG
InventorsIgor Altenberger, Hans-Achim Kuhn
Life of this patent
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Abstract
A copper alloy having the following composition (in % by weight): from 10.6 to 18% of Al, from 10.5 to 14.5% of Ni, optionally up to 2% of Fe, optionally up to 1% of Co, optionally up to 0.5% of Ti, optionally up to 0.5% of Mn, optionally up to 0.15% of B, optionally up to 0.1% of Ca, and optionally up to 0.1% of C, with the balance being copper and unavoidable impurities. Nickel aluminides of the NiAl type are embedded as precipitates in the microstructure of the alloy.
Claims10
A copper alloy consisting of the following composition in % by weight:
- from 10.6 to 18% of Al,
- from 10.5 to 14.5% of Ni,
- optionally up to 2% of Fe,
- optionally up to 1% of Co,
- optionally up to 0.5% of Ti,
- optionally up to 0.5% of Mn,
- optionally up to 0.15% of B,
- optionally up to 0.1% of Ca, and
- optionally up to 0.1% of C, with
- the balance being copper,
- characterized in that nickel aluminides of the NiAl type are embedded as precipitates in the microstructure of the alloy.
8 more elements
Dependencies are inferred from the claim text.