ALLOY, POWDER, METHOD AND COMPONENT

Abstract

A nickel-based alloy, having (in wt. %): carbon(C): 0.09%-0.13%; chromium(Cr): 19.0%-21.5%; cobalt(Co): 18.0%-20.0%; molybdenum(Mo): 0.5%-1.5%; tungsten(W): 2.0%-3.0%; titanium(Ti): 2.0%-3.0%; aluminum(Al): 2.2%-3.0%; boron(B): 0.008%-0.012%; zirconium(Zr): 0.0025%-0.01%; tantalum(Ta): 2.0%-4.0%; niobium(Nb): 1.2%-2.0%; optionally silicon(Si): up to 0.02%; manganese(Mn): up to 0.01%; yttrium(Y): 0.0025%-0.01%; yttrium oxide(Y.sub.2O.sub.3): 0.75%-1.25%; vanadium(V): up to 0.01%; hafnium(Hf): up to 0.01%, silver(Ag): up to 0.005%; lead(Pb): up to 0.0003%; iron(Fe): up to 0.02%; copper(Cu): up to 0.01%; selenium(Se): up to 0.0003%; oxygen(O): up to 0.015%; phosphorus(P): up to 0.005%; sulfur(S): up to 0.001%; gallium(Ga): up to 0.001%; bismuth(Bi): up to 0.0001%; nitrogen(N): up to 0.008%; magnesium(Mg): up to 0.007%; tellurium(Te): up to 0.00005%; thallium(Tl): up to 0.0005%; calcium(Ca): up to 0.0001%; potassium(K): up to 0.0001%, residual impurities: up to 0.1%.

Claims

1. A nickel-based alloy, comprising (in wt %): carbon (C): 0.09%-0.13%, more particularly 0.09%-0.11%, chromium (Cr): 19.0%-21.5%, more particularly 19.0%-21.0%, cobalt (Co): 18.0%-20.0%, more particularly 19.0%, molybdenum (Mo): 0.5%-1.5%, more particularly 0.8%-1.5%, tungsten (W): 2.0%-3.0%, more particularly 2.5%-3.0%, titanium (Ti): 2.0%-3.0%, more particularly 2.2%-2.8%, aluminum (Al): 2.2%-3.0%, more particularly 2.5%-3.0%, boron (B): 0.008%-0.012% zirconium (Zr): 0.0025%-0.01% tantalum (Ta): 2.0%-4.0%, more particularly 3.0%, niobium (Nb): 1.2%-2.0%, more particularly 1.5%-2.0%, in each case optionally silicon (Si): up to 0.02%, more particularly 0.01%-0.02%, manganese (Mn): up to 0.01% yttrium (Y): 0.0025%-0.01% yttrium oxide (Y.sub.2O.sub.3): 0.75%-1.25% vanadium (V): to 0.01% hafnium (Hf): to 0.01% silver (Ag): to 0.005% lead (Pb): to 0.0003% iron (Fe): to 0.02% copper (Cu) to 0.01% selenium (Se): to 0.0003% oxygen (O): to 0.015% phosphorus (P): to 0.005% sulfur (S): to 0.001% gallium (Ga): to 0.001% bismuth (Bi): to 0.0001% nitrogen (N): to 0.008% magnesium (Mg): to 0.007% tellurium (Te): to 0.00005% thallium (Tl): to 0.0005% calcium (Ca): to 0.0001% potassium (K): to 0.0001%, nickel, more particularly balance nickel (Ni) residual impurities to 0.1%.

2. A powder comprising a nickel-based alloy which contains (in wt %): carbon (C): 0.09%-0.13%, more particularly 0.09%-0.11%, chromium (Cr): 19.0%-21.5%, more particularly 19.0%-21.0%, cobalt (Co): 18.0%-20.0%, more particularly 19.0%, molybdenum (Mo): 0.5%-1.5%, more particularly 0.8%-1.5%, tungsten (W): 2.0%-3.0%, more particularly 2.5%-3.0%, titanium (Ti): 2.0%-3.0%, more particularly 2.2%-2.8%, aluminum (Al): 2.2%-3.0%, more particularly 2.5%-3.0%, boron (B): 0.008%-0.012% zirconium (Zr): 0.0025%-0.01% tantalum (Ta): 2.0%-4.0%, more particularly 3.0%, niobium (Nb): 1.2%-2.0%, more particularly 1.5%-2.0%, in each case optionally silicon (Si): up to 0.02%, more particularly 0.01%-0.02%, manganese (Mn): up to 0.01% yttrium (Y): 0.0025%-0.01% yttrium oxide (Y.sub.2O.sub.3): 0.75%-1.25% vanadium (V): to 0.01% hafnium (Hf): to 0.01% silver (Ag): to 0.005% lead (Pb): to 0.0003% iron (Fe): to 0.02% copper (Cu) to 0.01% selenium (Se): to 0.0003% oxygen (O): to 0.015% phosphorus (P): to 0.005% sulfur (S): to 0.001% gallium (Ga): to 0.001% bismuth (Bi): to 0.0001% nitrogen (N): to 0.008% magnesium (Mg): to 0.007% tellurium (Te): to 0.00005% thallium (Tl): to 0.0005% calcium (Ca): to 0.0001% potassium (K): to 0.0001%, nickel, more particularly balance nickel (Ni) residual impurities to 0.1%, optionally binders or refractory particles.

3. A process wherein an alloy based on nickel is used, more particularly for powder bed processes, which is composed of (in wt %): carbon (C): 0.09%-0.13%, more particularly 0.09%-0.11%, chromium (Cr): 19.0%-21.5%, more particularly 19.0%-21.0%, cobalt (Co): 18.0%-20.0%, more particularly 19.0%, molybdenum (Mo): 0.5%-1.5%, more particularly 0.8%-1.5%, tungsten (W): 2.0%-3.0%, more particularly 2.5%-3.0%, titanium (Ti): 2.0%-3.0%, more particularly 2.2%-2.8%, aluminum (Al): 2.2%-3.0%, more particularly 2.5%-3.0%, boron (B): 0.008%-0.012% zirconium (Zr): 0.0025%-0.01% tantalum (Ta): 2.0%-4.0%, more particularly 3.0%, niobium (Nb): 1.2%-2.0%, more particularly 1.5%-2.0%, nickel, more particularly balance nickel (Ni) optionally silicon (Si): up to 0.02%, more particularly 0.01%-0.02%, manganese (Mn): up to 0.01% yttrium (Y): 0.0025%-0.01% yttrium oxide (Y.sub.2O.sub.3): 0.75%-1.25% vanadium (V): to 0.01% hafnium (Hf): to 0.01% silver (Ag): to 0.005% lead (Pb): to 0.0003% iron (Fe): to 0.02% copper (Cu) to 0.01% selenium (Se): to 0.0003% oxygen (O): to 0.015% phosphorus (P): to 0.005% sulfur (S): to 0.001% gallium (Ga): to 0.001% bismuth (Bi): to 0.0001% nitrogen (N): to 0.008% magnesium (Mg): to 0.007% tellurium (Te): to 0.00005% thallium (Tl): to 0.0005% calcium (Ca): to 0.0001% potassium (K): to 0.0001%, residual impurities to 0.1%.

4. A component, more particularly comprising a substrate, comprising a nickel-based alloy which is composed of (in wt %): carbon (C): 0.09%-0.13%, more particularly 0.09%-0.11%, chromium (Cr): 19.0%-21.5%, more particularly 19.0%-21.0%, cobalt (Co): 18.0%-20.0%, more particularly 19.0%, molybdenum (Mo): 0.5%-1.5%, more particularly 0.8%-1.5%, tungsten (W): 2.0%-3.0%, more particularly 2.5%-3.0%, titanium (Ti): 2.0%-3.0%, more particularly 2.2%-2.8%, aluminum (Al): 2.2%-3.0%, more particularly 2.5%-3.0%, boron (B): 0.008%-0.012% zirconium (Zr): 0.0025%-0.01% tantalum (Ta): 2.0%-4.0%, more particularly 3.0%, niobium (Nb): 1.2%-2.0%, more particularly 1.5%-2.0%, optionally silicon (Si): up to 0.02%, more particularly 0.01%-0.02%, manganese (Mn): up to 0.01% yttrium (Y): 0.0025%-0.01% yttrium oxide (Y.sub.2O.sub.3): 0.75%-1.25% vanadium (V): to 0.01% hafnium (Hf): to 0.01% silver (Ag): to 0.005% lead (Pb): to 0.0003% iron (Fe): to 0.02% copper (Cu) to 0.01% selenium (Se): to 0.0003% oxygen (O): to 0.015% phosphorus (P): to 0.005% sulfur (S): to 0.001% gallium (Ga): to 0.001% bismuth (Bi): to 0.0001% nitrogen (N): to 0.008% magnesium (Mg): to 0.007% tellurium (Te): to 0.00005% thallium (Tl): to 0.0005% calcium (Ca): to 0.0001% potassium (K): to 0.0001%, nickel, more particularly balance nickel (Ni) residual impurities to 0.1%.

Description

DETAILED DESCRIPTION OF INVENTION

[0032] In accordance with the invention, therefore, the nickel-based alloy comprises, more particularly consists of (in wt %): [0033] carbon (C): 0.09%-0.13%, [0034] more particularly 0.09%-0.11%, [0035] chromium (Cr): 19.0%-21.5%, [0036] more particularly 19.0%-21.0%, [0037] cobalt (Co): 18.0%-20.0%, [0038] more particularly 19.0%, [0039] molybdenum (Mo): 0.5%-1.5%, [0040] more particularly 0.8%-1.5%, [0041] tungsten (W): 2.0%-3.0%, [0042] more particularly 2.5%-3.0%, [0043] titanium (Ti): 2.0%-3.0%, [0044] more particularly 2.2%-2.8%, [0045] aluminum (Al): 2.2%-3.0%, [0046] more particularly 2.5%-3.0%, [0047] boron (B): 0.008%-0.012% [0048] zirconium (Zr): 0.0025%-0.01% [0049] tantalum (Ta): 2.0%-4.0%, [0050] more particularly 3.0%, [0051] niobium (Nb): 1.2%-2.0%, [0052] more particularly 1.5%-2.0%, [0053] optionally [0054] silicon (Si): up to 0.02%, [0055] more particularly 0.01%-0.02%, [0056] manganese (Mn): up to 0.01% [0057] yttrium (Y): 0.0025%-0.01% [0058] yttrium oxide (Y.sub.2O.sub.3): 0.75%-1.25% [0059] vanadium (V): to 0.01% [0060] hafnium (Hf): to 0.01% [0061] silver (Ag): to 0.005% [0062] lead (Pb): to 0.0003% [0063] iron (Fe): to 0.02% [0064] copper (Cu) to 0.01% [0065] selenium (Se): to 0.0003% [0066] oxygen (O): to 0.015% [0067] phosphorus (P): to 0.005% [0068] sulfur (S): to 0.001% [0069] gallium (Ga): to 0.001% [0070] bismuth (Bi): to 0.0001% [0071] nitrogen (N): to 0.008% [0072] magnesium (Mg): to 0.007% [0073] tellurium (Te): to 0.00005% [0074] thallium (Tl): to 0.0005% [0075] calcium (Ca): to 0.0001% [0076] potassium (K): to 0.0001%, [0077] residual impurities to 0.1%.

[0078] The component is preferably a component of a turbine, more particularly of a gas turbine, and there more particularly in the hot region.

TABLE-US-00001 EX1 EX2 EX3 C 0.09 0.10 0.12 Cr 21.5 19.1 20.3 Co 18.2 19.8 18.9 Mo 0.5 1.5 0.8 W 2.5 3.0 2.0 Ti 3.0 2.8 3.0 Al 2.2 3.0 2.5 B 0.012 0.010 0.008 Zr 0.01 0.003 0.008 Ta 2.0 4.0 3.0 Nb 2.0 1.6 1.5 Si 0.02 0.01 0.02 Y 0.01 0.005 Y.sub.2O.sub.3 0.75 1.23 Fe 0.02 0.01 0.01