A nickel-based superalloy, its preparation method and application in the spark plug electrodes

The present invention relates to a nickel-based superalloy, which preparation method and application in the spark plug electrode, comprising by weight percent: C0.04 ~ 0.06%, Cr19 ~ 21%, W7 ~ 9%, Mo5 ~ 7%, Ti1 ~ 2%, Al0.5 ~ 2%, B0.004 ~ 0.006%, Zr0.03 ~ 0.05%, Fe0.7 ~ 0.9%, nb0 ~ 3%, Y0 ~ 1%, the balance Ni and unavoidable impurities . The components are mixed in proportion to arc melting in a vacuum smelting furnace, remove the molding, and then heated furnace to solution heat treatment at 1200 ℃ 4h, cooled; incubated 10h aging at 800 deg.] C, air cooling system. The present invention alloy has good high temperature oxidation resistance, corrosion resistance, spark plug electrode material for an electrode can be improved and the lifetime of the spark plug.