FIELD: metallurgy. SUBSTANCE: nickel-based superalloy contains, mass-%: chromium, 8.0 to 11.0; molybdenum, 3.0 to 5.5; tungsten, 4.5 to 5.9; aluminum, 4.5 to 6.0; titanium, 1.5 to 3.0; niobium, 2.0 to 3.5; cobalt, 14.0 to 18.0; hafnium, 0.2 to 1.5; boron, 0.01 to 0.035; carbon, 0.02 to 0.08; magnesium, 0.005 to 0.1; cerium, 0.01 to 0.1; zirconium, 0.01 to 0.1 remainder being nickel. EFFECT: enhanced heat resistance and duration of alloy ductility at working temperature between 750 and 850 C. 2 tbl
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Authors
Dates
2000-12-20—Published
1998-11-20—Filed