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Used blade of a jet aircraft engine. This blade is made of a Nickel-based superalloy.

A superalloy, or high-performance alloy, is a metal alloy that has several key characteristics. These include excellent resistance to high temperatures and corrosion or oxidation.[1] The term was first used after World War II.[2] They were developed for use in jet engines and gas turbines.[3] About 75% of superalloys are used in aerospace engineering.[3]