ALLOY, POWDER, METHOD AND COMPONENT

Abstract

A nickel-based alloy of carbon (C): 0.11%-0.13% chromium (Cr): 9.7%-10.5% cobalt (Co): 10.5%-12.5% molybdenum (Mo): 2.8%-3.2% titanium (Ti): 3.3%-4.3% aluminum (Al): 5.2%-5.8%, Hafnium (Hf): 1.30%-1.50%; boron (B): 013%-014%; zirconium (Zr): 0.015%-0.03%, tantalum (Ta): up to 0.05%, niobium (Nb): up to 0.01%, silicon (Si): up to 0.01%, tungsten (W): up to 0.02%, vanadium (V): up to 0.02% no rhenium (Re) and/or no ruthenium (Ru), nickel, remaining impurities up to 0.1%.

Claims

1. A nickel-based alloy, comprising (in wt %): carbon (C): 0.11%-0.13%, more particularly 0.12%, chromium (Cr): 9.7%-10.5%, more particularly 10.0%, cobalt (Co): 10.5%-12.5%, more particularly 11.0% to 11.8%, very particularly 11.4%, molybdenum (Mo): 2.8%-3.2%, more particularly 3.0%, titanium (Ti): 3.3%-4.3%, more particularly 3.6%-4.0%, very particularly 3.8%, aluminum (Al): 5.2%-5.8%, more particularly 5.5%, hafnium (Hf): 1.3%-1.5%, more particularly 1.4%, boron (B): 0.013%-0.014%, more particularly 0.014%, zirconium (Zr): 0.015%-0.03%, more particularly 0.018%-0.022%, very particularly 0.02%, tantalum (Ta): up to 0.05%, niobium (Nb): up to 0.01%, silicon (Si): up to 0.01%, tungsten (W): up to 0.02%, vanadium (V): up to 0.02%, no rhenium (Re) and/or no ruthenium (Ru), nickel, more particularly balance nickel (Ni) residual impurities up to 0.1%.

2. A powder, comprising: a nickel-based alloy which contains (in wt %): carbon (C): 0.11%-0.13%, more particularly 0.12%, chromium (Cr): 9.7%-10.5%, more particularly 10.0%, cobalt (Co): 10.5%-12.5%, more particularly 11.0% to 11.8%, very particularly 11.4%, molybdenum (Mo): 2.8%-3.2%, more particularly 3.0%, titanium (Ti): 3.3%-4.3%, more particularly 3.6%-4.0%, very particularly 3.8%, aluminum (Al): 5.2%-5.8%, more particularly 5.5%, hafnium (Hf): 1.3%-1.5%, more particularly 1.4%, boron (B): 0.013%-0.014%, more particularly 0.014%, zirconium (Zr): 0.015%-0.03%, more particularly 0.018%-0.022%, very particularly 0.02%, tantalum (Ta): up to 0.05%, niobium (Nb): up to 0.01%, silicon (Si): up to 0.01%, tungsten (W): up to 0.02%, vanadium (V): up to 0.02%, no rhenium (Re) and/or no ruthenium (Ru), nickel, more particularly balance nickel (Ni) residual impurities up to 0.1%, optionally binders or refractory particles.

3. A process, comprising: using an alloy based on nickel, more particularly for a casting process or a powder bed process, wherein the alloy based on nickel is composed of (in wt %): carbon (C): 0.11%-0.13%, more particularly 0.12%, chromium (Cr): 9.7%-10.5%, more particularly 10.0%, cobalt (Co): 10.5%-12.5%, more particularly 11.0% to 11.8%, very particularly 11.4%, molybdenum (Mo): 2.8%-3.2%, more particularly 3.0%, titanium (Ti): 3.3%-4.3%, more particularly 3.6%-4.0%, very particularly 3.8%, aluminum (Al): 5.2%-5.8%, more particularly 5.5%, hafnium (Hf): 1.3%-1.5%, more particularly 1.4%, boron (B): 0.013%-0.014%, more particularly 0.014%, zirconium (Zr): 0.015%-0.03%, more particularly 0.018%-0.022%, very particularly 0.02%, tantalum (Ta): up to 0.05%, niobium (Nb): up to 0.01%, silicon (Si): up to 0.01%, tungsten (W): up to 0.02%, vanadium (V): up to 0.02%, no rhenium (Re) and/or no ruthenium (Ru), nickel, more particularly balance nickel (Ni) residual impurities up to 0.1%.

4. A component, more particularly comprising a substrate, comprising: a nickel-based alloy which is composed of (in wt %): carbon (C): 0.11%-0.13%, more particularly 0.12%, chromium (Cr): 9.7%-10.5%, more particularly 10.0%, cobalt (Co): 10.5%-12.5%, more particularly 11.0% to 11.8%, very particularly 11.4%, molybdenum (Mo): 2.8%-3.2%, more particularly 3.0%, titanium (Ti): 3.3%-4.3%, more particularly 3.6%-4.0%, very particularly 3.8%, aluminum (Al): 5.2%-5.8%, more particularly 5.5%, hafnium (Hf): 1.3%-1.5%, more particularly 1.4%, boron (B): 0.013%-0.014%, more particularly 0.014%, zirconium (Zr): 0.015%-0.03%, more particularly 0.018%-0.022%, very particularly 0.02%, tantalum (Ta): up to 0.05%, niobium (Nb): up to 0.01%, silicon (Si): up to 0.01%, tungsten (W): up to 0.02%, vanadium (V): up to 0.02%, no rhenium (Re) and/or no ruthenium (Ru), nickel, more particularly balance nickel (Ni) residual impurities up to 0.1%

Description

DETAILED DESCRIPTION OF INVENTION

[0028] In accordance with the invention, therefore, the nickel-based alloy comprises, more particularly consists of (in wt %): [0029] carbon (C): 0.11%-0.13%, more particularly 0.12%, [0030] chromium (Cr): 9.7%-10.5%, more particularly 10.0%, [0031] cobalt (Co): 10.5%-12.5%, more particularly 11.0% to 11.8%, very particularly 11.4%, [0032] molybdenum (Mo): 2.8%-3.2%, more particularly 3.0%, [0033] titanium (Ti): 3.3%-4.3%, more particularly 3.6%-4.0%, very particularly 3.8%, [0034] aluminum (Al): 5.2%-5.8%, more particularly 5.5%, [0035] hafnium (Hf): 1.3%-1.5%, more particularly 1.4%, [0036] boron (B): 0.013%-0.014%, [0037] zirconium (Zr): 0.015%-0.03%, more particularly 0.018%-0.022%, very particularly 0.02%, [0038] tantalum (Ta): up to 0.05%, [0039] niobium (Nb): up to 0.01%, [0040] silicon (Si): up to 0.01%, [0041] tungsten (W): up to 0.02%, [0042] vanadium (V): up to 0.02%, [0043] no rhenium (Re) and/or no ruthenium (Ru), [0044] nickel, more particularly balance nickel (Ni) [0045] residual impurities up to 0.1%.

[0046] The component is preferably a component of a turbine, more particularly of a gas turbine, and there more particularly in the hot region.

[0047] Examples (EX1, EX2, EX3) of a nickel-based alloy based on this concept are listed in the table below.

TABLE-US-00001 EX1 EX2 EX3 C 0.11 0.12 0.11 Cr 10.0 9.71 10.41 Co 11.1 11.6 11.4 Mo 2.10 3.0 3.15 Ti 3.43 3.8 4.11 Al 5.5 5.31 5.33 B 0.014 0.014 0.013 Zr 0.02 0.019 0.02 Hf 1.4 1.48 1.33