SX-NICKEL ALLOY HAVING IMPROVED TMF PROPERTIES, RAW MATERIAL, AND COMPONENT
Provided is a composition of a nickel-based superalloy with Ni-8Cr-10Co-0.6Mo-8Ta-8W-1.25Re-5.7Al-0Ti-0.1Hf-0.25Si-0.008B-0.0210C-0.02Y, by which composition improved TMF properties are achieved.
1 . A nickel-based alloy
comprising at least (in % by weight):
Chromium (Cr)
7.0%-9.0%,
Cobalt (Co)
9.0%-11%,
Molybdenum (Mo)
0.4%-0.8%,
Tantalum (Ta)
7.0%-9.0%,
Tungsten (W)
7.0%-9.0%,
Rhenium (Re)
1.0%-1.30%,
Aluminum (Al)
5.0%-6.4%,
Hafnium (Hf)
0.08%-0.12%,
Silicon (Si)
0.018%-0.32%,
Boron (B)
0.003%-0.015%,
Carbon (C)
0.01%-0.05%,
Yttrium (Y)
0.017%-0.023%
2 . A powder, comprising at least an alloy as claimed in claim 1 .
3 . A component comprising at least an alloy as claimed in claim 2 or produced from a raw material.
4 . The component as claimed in claim 3 which is a turbine blade.
5 . The alloy, raw material or component as claimed in claim 1 , which does not comprise any titanium.
6 . The alloy as claimed in claim 1 , which does not comprise any zirconium.
7 . The alloy of claim 1 , wherein the nickel alloy is Ni-8Cr-10Co-0.6Mo-8Ta-8W-1.25Re-5.7Al-0Ti-0.1Hf-0.25Si-0.008B-0.0210C-0.02Y.
8 . A nickel-based alloy at least one of consisting essentially of and consisting of (in % by weight):
Chromium (Cr)
7.0%-9.0%,
Cobalt (Co)
9.0%-11%,
Molybdenum (Mo)
0.4%-0.8%,
Tantalum (Ta)
7.0%-9.0%,
Tungsten (W)
7.0%-9.0%,
Rhenium (Re)
1.0%-1.30%,
Aluminum (Al)
5.0%-6.4%,
Hafnium (Hf)
0.08%-0.12%,
Silicon (Si)
0.018%-0.32%,
Boron (B)
0.003%-0.015%,
Carbon (C)
0.01%-0.05%,
Yttrium (Y)
0.017%-0.023%.
9 . The alloy of claim 1 , wherein the nickel alloy consists of Ni-8Cr-8W-10Co-0.6Mo-8Ta-1.25Re-5.7Al-0Ti-0.1Hf-0.25Si-0.008B-0.0210C-0.02Y.