Component with protective coating against corrosion and oxidation at elevated temperatures

摘要

Alloy for protecting a component against corrosion and/or oxidation at high temperatures comprises (wt.%): cobalt (11-13), chromium (20-22), aluminum (10.5-11.5), yttrium, scandium or rare earth metal (0.3-0.5), rhenium (1.5-2.5) and nickel (to 100). Independent claims are also included for: (1) protective layer comprising an alloy as above; and (2) component with a protective layer as above.