NICKEL-BASE ALLOY Russian patent published in 1997 - IPC

FIELD: metallurgy, alloys. SUBSTANCE: alloy has the following components, wt. -%: carbon, 0.001-0.12; chrome, 4.5-12.0; cobalt, 2-9; aluminium, 4.5-7.0; titanium, 0.7-2.5; niobium, 0.04-1.5; boron, 0.001-0.004; hafnium, 0.001-0.25; vanadium, 0.005-0.015; tungsten, 5.5-12.0; molybdenum, 0.3-3.5; zirconium, 0.001-0.005; yttrium, 0.0002-0.001; cerium, 0.0005-0.003; lanthanum, 0.0005-0.003; and nickel, the balance. Alloy has additionally, at least, one metal taken from the group involving tantalum 0.05-5.0 wt.-% and rhenium 0.05-3.0 wt.-%. Alloy provides increase of heat-resistance by above 3-fold at any components combination. EFFECT: enhanced quality of alloy. 2 cl, 2 tbl