Nickel-based superalloy, mechanical component made of it, piece of turbomachinery which includes the component and related methods

摘要

A nickel-based superalloy particularly suitable for the fabrication of mechanical components for a piece of turbomachinery characterized in that it comprises at least the following elements in percentage by weight: chromium between 3% and 7%; tungsten between 3% and 15%; tantalum between 4% and 6%; aluminium between 4% and 8%; carbon less than 0.8%; the remaining percentage of nickel plus impurities.