SUPERALLOY COMPOSITION AND METHOD OF FORMING A TURBINE ENGINE COMPONENT
First Claim
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1. A nickel-base composition, comprisingabout 15 to about 20 wt % Co;
- about 10 to about 19 wt % Cr;
about 2.5 to about 3.4 wt % Al;
less than about 0.5 wt % Ta;
less than about 1.0 wt % Mo;
less than about 0.06 wt % Zr;
less than about 0.04 wt % B;
about 1.1 to about 1.5 wt % Nb;
about 3.0 to about 3.9 wt % Ti;
about 3 to about 5 wt % W;
about 0.03 to about 0.07 wt % C; and
balance Ni;
wherein aluminum, titanium, niobium, and tantalum are present within the alloy in a combined amount of about 9 to 14 atomic percent.
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Abstract
A nickel-base composition is disclosed that includes:
- about 15 to about 20 wt % Co;
- about 10 to about 19 wt % Cr;
- about 2.5 to about 3.4 wt % Al;
- less than about 0.5 wt % Ta;
- less than about 1.0 wt % Mo;
- less than about 0.06 wt % Zr;
- less than about 0.04 wt % B;
- about 1.1 to about 1.5 wt % Nb;
- about 3.0 to about 3.9 wt % Ti;
- about 3 to about 5 wt. % W;
- about 0.03 to about 0.07 wt. % C; and
- balance Ni; wherein aluminum, titanium, niobium, and tantalum are present within the alloy in a combined amount of 9 to 14 atomic percent.
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Citations
20 Claims
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1. A nickel-base composition, comprising
about 15 to about 20 wt % Co; -
about 10 to about 19 wt % Cr; about 2.5 to about 3.4 wt % Al; less than about 0.5 wt % Ta; less than about 1.0 wt % Mo; less than about 0.06 wt % Zr; less than about 0.04 wt % B; about 1.1 to about 1.5 wt % Nb; about 3.0 to about 3.9 wt % Ti; about 3 to about 5 wt % W; about 0.03 to about 0.07 wt % C; and balance Ni;
wherein aluminum, titanium, niobium, and tantalum are present within the alloy in a combined amount of about 9 to 14 atomic percent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A component, comprising:
a first portion comprising; about 15 to about 20 wt % Co; about 10 to about 19 wt % Cr; about 2.5 to about 3.4 wt % Al; less than about 0.5 wt % Ta; less than about 1.0 wt % Mo; less than about 0.06 wt % Zr; less than about 0.04 wt % B; about 1.1 to about 1.5 wt % Nb; about 3.0 to about 3.9 wt % Ti; about 3 to about 5 wt % W; about 0.03 to about 0.07 wt % C; and balance Ni;
wherein aluminum, titanium, niobium, and tantalum are present within the alloy in a combined amount of about 9 to 14 atomic percent.
- 13. The component of claim 13, wherein the amount of C is about 0.030 to about 0.050 wt %.
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14. A welding process, comprising:
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providing a first component comprising a first material; joining a second material to the first material by a welding technique; the second material comprising; about 15 to about 20 wt % Co; about 10 to about 19 wt % Cr; about 2.5 to about 3.4 wt % Al; less than about 0.5 wt % Ta; less than about 1.0 wt % Mo; less than about 0.06 wt % Zr; less than about 0.04 wt % B; about 1.1 to about 1.5 wt % Nb; about 3.0 to about 3.9 wt % Ti; about 3 to about 5 wt % W; about 0.03 to about 0.07 wt % C; and balance Ni;
wherein aluminum, titanium, niobium, and tantalum are present within the alloy in a combined amount of about 9 to 14 atomic percent. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification
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Current AssigneeGeneral Electric Company
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Original AssigneeGeneral Electric Company
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InventorsFeng, Ganjiang, Arnett, Michael Douglas, Nowak, Daniel Anthony
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Application NumberUS12/559,890Publication NumberTime in Patent OfficeDaysField of SearchUS Class Current228/119CPC Class CodesB23K 2101/001 TurbinesB23K 35/3033 Ni as the principal constit...C22C 19/056 with the maximum Cr content...
