Nickel-based superalloy with high mechanical strength at high temperature

摘要

The invention relates to a nickel-based superalloy comprising, in percentages by mass, 4 to 6% aluminum, 5 to 8% cobalt, 6 to 9% chromium, 0 , 1 to 0.9% hafnium, 2 to 4% molybdenum, 5 to 7% rhenium, 5 to 7% tantalum, 2 to 5% tungsten, 0 to 0.1% silicon, the remainder being consisting of nickel and unavoidable impurities.