| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: casting copper-bearing alloy based on nickel contains wt %: copper 26-32, carbon 0.03-0.09, aluminium 1.2-2.2, titanium 1.5-2.0, niobium 1.2-2.3, vanadium 0.1-0.6, zirconium 0.05-0.1, cerium, lanthanum or dysprosium 0.01-0.2, nickel - the rest. ^ EFFECT: increasing of alloy mechanical properties, decreasing of porosity, increasing of surface condition and providing of performance featheredge at mold castings, improving of grain boundary structure with keeping high strength and thermal conduction of molding material. ^ 1 tbl |
