| 摘要 |
A nickel-base superalloy is provided which includes in a weight percentage:: Co+Fe+Mn 0-20, Al 4-6, Cr >12-20, Ta >7.5-15, Ti 0-<0.45, V 0-1, Nb 0-<0.28, Mo 0-2.5, Mo+W+Re+Rh 2-8, Ru+Os+Ir+Pt+Pd 0-4, Hf 0-1.5, C+B+Zr 0-0.5, Ca+Mg+Cu 0-0.5, Y+La+Sc+Ce+Actinides+Lanthanides 0-0.5 Si 0-0.5 Ni balance and unavoidable impurities. Also provided are a conventional cast component, a directionally solidified component and a single crystal component which include the superalloy.
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