MONOCRYSTALLINE Ni-BASED SUPERALLOY AND TURBINE BLADE Russian patent published in 2014 - IPC C22C19/05 F01D5/28 

FIELD: chemistry.

SUBSTANCE: invention relates to monocrystalline Ni-based superalloy and can be used for production of turbine blades. Alloy has the following composition, wt %: 6.0 wt % or more and 9.9 wt % or lea Co, 6.5 wt % or more and 10.0 wt % or less Cr, 1.0 wt % or more and 4.0 wt % or less Mo, 8.1 wt % or more and 11.0 wt % or less W, 4.0 wt % or more and 9.0 wt % or less Ta, 5.2 wt % or more and 7.0 wt % or less Al, 0.1 wt % or more and 2.0 wt % or less Ti, 0.05 wt % or more and 0.3 wt % or less Hf, 0-1.0 wt % Nb and 0-0.8 wt % Re with the remaining part, including Ni and inevitable admixtures.

EFFECT: alloy possesses high values of heat resistance, creep strength.

4 cl, 7 dwg