| 摘要 |
<p>Nickel base superalloy comprises (wt.%) chromium (6.46-6.8, preferably 6.4-6.8), cobalt (9.3-10), tantalum (6.7-8.5, preferably 7-8.5), aluminum (5.45-5.75), tungsten (6.2-6.6), molybdenum (0.5-0.7), titanium (0.8-1.2), rhenium (2.8-3.2), hafnium (up to 0.12), carbon (0.01-0.08), boron (up to 0.10), and balance nickel and incidental impurities. An Independent claim is also included for a turbine airfoil comprising the superalloy.</p> |
