| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to a nickel-based heat-resistant alloy. The alloy contains, wt %: 7.7 - 8.3 Cr, 5.0 - 5.25 Co, 2.0 - 2.1 Mo, 7.8 - 8.3 W, 5.8 - 6.1 Ta, 4.9 - 5.1 Al, 1.0 - 1.5 Ti, 1.0 - 2.0 Re, 0 - 0.5 Nb, 0.11 - 0.15 Si, 0.1 - 0.7 Hf, 0.02 - 0.17 C, 50 - 400 ppm B, nickel and inevitable impurities - the balance.EFFECT: alloy is characterised by high resistance to oxidation, corrosion and positive creep properties at high temperatures.19 cl, 3 dwg, 1 tbl |
