US4292076A
Expired / Lapsed
US
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Transverse ductile fiber reinforced eutectic nickel-base superalloys
Assignee: General Electric Co
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Filing: 1979-04-27
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Granted: 1981-09-29
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Expires: 1999-04-27
Abstract
Abstract A unidirectionally solidified anisotropic metallic composite body exhibiting improved high temperature ductility and strength properties comprising a nickel-base refractory-metal-monocarbide-reinforced eutectic superalloy containing boron.
Inventors
- 👤 Michael F. X. Gigliotti
- 👤 Melvin R. Jackson
- 👤 Michael F. Henry
- 👤 David A. Woodford
- 👤 Sherwin S. Yang
- 👤 Charles A. Bruch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:23
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C30; C30B; C30B21/00; C30B21/02
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
77 words
An article of manufacture having improved transverse ductility and strength properties comprising a unidirectionally solidified anisotropic metallic composite body comprising: A Ni-base matrix consisting essentially of, at least an amount in excess of an impurity amount of B, the balance being essentially nickel and incidental impurities, and an aligned eutectic reinforcing fibrous phase selected from carbides of the group consisting of Ti, V, Cb, Hf, Zr and Ta and their alloys and mixtures embedded in the matrix.
Claim 2
Dependent Claim
77 words
An article of manufacture having improved transverse ductility and strength properties comprising a unidirectionally solidified anisotropic metallic composite body comprising: A Ni-base matrix consisting essentially of, at least an amount in excess of an impurity amount of B, the balance being essentially nickel and incidental impurities, and an aligned eutectic reinforcing fibrous phase selected from carbides of the group consisting of Ti, V, Cb, Hf, Zr and Ta and their alloys and mixtures embedded in the matrix.
Claim 3
Dependent Claim
110 words
An article of manufacture having improved transverse ductility and strength properties comprising a unidirectionally solidified anisotropic metallic composite body comprising: a Ni-base matrix consisting essentially of, on a weight basis, at least an amount in excess of an impurity amount up to 0.02% of B, 0-9% Re, 0-<0.8% Ti, 0-20% Cr, 0-10% Al, 3-15% Ta, 0.1-1% C, 0-20% Co, 0-20% W, 0-7% V, 0-10% Mo, 0-3% Cb, 0-3% Hf, 0-1.5% Zr, the balance being essentially nickel and incidental impurities, and an aligned eutectic reinforcing fibrous phase selected from carbides of the group consisting of Ti, V, Cb, Hf, Zr and Ta and their alloys and mixtures embedded in the matrix.
Claim 4
Dependent Claim
110 words
An article of manufacture having improved transverse ductility and strength properties comprising a unidirectionally solidified anisotropic metallic composite body comprising: a Ni-base matrix consisting essentially of, on a weight basis, at least an amount in excess of an impurity amount up to 0.02% of B, 0-9% Re, 0-<0.8% Ti, 0-20% Cr, 0-10% Al, 3-15% Ta, 0.1-1% C, 0-20% Co, 0-20% W, 0-7% V, 0-10% Mo, 0-3% Cb, 0-3% Hf, 0-1.5% Zr, the balance being essentially nickel and incidental impurities, and an aligned eutectic reinforcing fibrous phase selected from carbides of the group consisting of Ti, V, Cb, Hf, Zr and Ta and their alloys and mixtures embedded in the matrix.
Claim 5
Dependent Claim
50 words
The article of claim 1 wherein the superalloy contains about, on a weight basis, <0.02 B, 0-9% Re, <0.8% Ti, 2-10% Cr, 2-9% Al, 3-15% Ta, 0.1-0.8% C, <10% Co, <12% W, <0.5% V, <5% Mo, <2% Cb, <0.2% Hf, <0.2% Zr, the balance being essentially Ni and incidental impurities.
Claim 6
Dependent Claim
50 words
The article of claim 3 wherein the superalloy contains about, on a weight basis, 0.001-0.02% B, 0.5-7% Re, <0.8% Ti, 2-8% Cr, 4-7% Al, 5-13% Ta, 0.1-0.7% C, <5% Co, <6.0% W, <0.2% V, <5.0% Mo, <1.0% Cb, <0.15% Hf, <0.15% Zr, the balance being essentially Ni and incidental impurities.
Claim 7
Dependent Claim
15 words
The article of claim 1 wherein the eutectic carbide reinforcing fibrous phase is predominantly TaC.
Claim 8
Dependent Claim
69 words
An alloy capable of developing a unidirectionally solidified anisotropic article containing an aligned eutectic reinforcing fibrous phase having improved transverse ductility and strength properties, the alloy consisting essentially of on a weight basis, 0.001-0.02 B, 0-9% Re, 0-<0.8% Ti, 0-20% Cr, 0-10% Al, 3-15% Ta, 0.1-1% C, 0-20% Co, 0-20% W, 0-7% V, 0-10% Mo, 0-3% Cb, <0.15% Hf, 0-1.5% Zr, the balance being essentially Ni and incidental impurities.
Claim 9
Dependent Claim
69 words
An alloy capable of developing a unidirectionally solidified anisotropic article containing an aligned eutectic reinforcing fibrous phase having improved transverse ductility and strength properties, the alloy consisting essentially of on a weight basis, 0.001-0.02 B, 0-9% Re, 0-<0.8% Ti, 0-20% Cr, 0-10% Al, 3-15% Ta, 0.1-1% C, 0-20% Co, 0-20% W, 0-7% V, 0-10% Mo, 0-3% Cb, <0.15% Hf, 0-1.5% Zr, the balance being essentially Ni and incidental impurities.
Claim 10
Dependent Claim
69 words
An alloy capable of developing a unidirectionally solidified anisotropic article containing an aligned eutectic reinforcing fibrous phase having improved transverse ductility and strength properties, the alloy consisting essentially of, on a weight basis, 0.01-0.02% B, 0-9% Re, <0.8% Ti, 2-10% Cr, 2-9% Al, 3-15% Ta, 0.1-0.8% C, <10% Co, <12% W, <0.5% V, <5% Mo, <2% Cb, <0.15% Hf, <0.2% Zr, the balance being essentially Ni and incidental impurities.
Claim 11
Dependent Claim
69 words
An alloy capable of developing a unidirectionally solidified anisotropic article containing an aligned eutectic reinforcing fibrous phase having improved transverse ductility and strength properties, the alloy consisting essentially of, on a weight basis, 0.01-0.02% B, 0-9% Re, <0.8% Ti, 2-10% Cr, 2-9% Al, 3-15% Ta, 0.1-0.8% C, <10% Co, <12% W, <0.5% V, <5% Mo, <2% Cb, <0.15% Hf, <0.2% Zr, the balance being essentially Ni and incidental impurities.
Claim 12
Dependent Claim
69 words
An alloy capable of developing a unidirectionally solidified anisotropic article containing an aligned eutectic reinforcing fibrous phase having improved transverse ductility and strength properties, the alloy consisting essentially of, on a weight basis, 0.01-0.02% B, 0.5-7% Re, <0.8% Ti, 2-8% Cr, 4-7% Al, 5-13% Ta, 0.1-0.7% C, <5% Co, <6.0% W, <0.2% V, <5.0% Mo, <1.0% Cb, <0.15% Hf, <0.15% Zr, the balance being essentially Ni and incidental impurities.
Claim 13
Dependent Claim
69 words
An alloy capable of developing a unidirectionally solidified anisotropic article containing an aligned eutectic reinforcing fibrous phase having improved transverse ductility and strength properties, the alloy consisting essentially of, on a weight basis, 0.01-0.02% B, 0.5-7% Re, <0.8% Ti, 2-8% Cr, 4-7% Al, 5-13% Ta, 0.1-0.7% C, <5% Co, <6.0% W, <0.2% V, <5.0% Mo, <1.0% Cb, <0.15% Hf, <0.15% Zr, the balance being essentially Ni and incidental impurities.
Claim 14
Dependent Claim
56 words
An alloy capable of developing a unidirectionally solidified anisotropic article containing an aligned eutectic reinforcing fibrous phase having improved transverse ductility and strength properties, the alloy consisting essentially of, on a weight basis, 0.01% B, 6.44% Re, 3.84% Cr, 5.34% Al, 11.37% Ta, 0.43% C, 3.8% Co, 4.33% W, 3.01% Mo, 61.44% Ni and incidental impurities.
Claim 15
Dependent Claim
56 words
An alloy capable of developing a unidirectionally solidified anisotropic article containing an aligned eutectic reinforcing fibrous phase having improved transverse ductility and strength properties, the alloy consisting essentially of, on a weight basis, 0.01% B, 6.44% Re, 3.84% Cr, 5.34% Al, 11.37% Ta, 0.43% C, 3.8% Co, 4.33% W, 3.01% Mo, 61.44% Ni and incidental impurities.
Claim 16
Dependent Claim
95 words
An article of manufacture having improved transverse ductility and strength properties comprising a unidirectionally solidified anisotropic metallic composite body comprising: a Ni-base matrix consisting essentially of, at least an amount in excess of incidental impurity amounts of B, along with elements selected from the group consisting of Re, Ti, Cr, Al, Ta, C, Co, W, V, Mo, Cb, Hf, and Zr, including incidental impurities; and an aligned eutectic reinforcing fibrous phase selected from carbides of the group consisting of Ti, V, Cb, Hf, Zr and Ta, including their alloys and mixtures embedded in the matrix.
Claim 17
Dependent Claim
95 words
An article of manufacture having improved transverse ductility and strength properties comprising a unidirectionally solidified anisotropic metallic composite body comprising: a Ni-base matrix consisting essentially of, at least an amount in excess of incidental impurity amounts of B, along with elements selected from the group consisting of Re, Ti, Cr, Al, Ta, C, Co, W, V, Mo, Cb, Hf, and Zr, including incidental impurities; and an aligned eutectic reinforcing fibrous phase selected from carbides of the group consisting of Ti, V, Cb, Hf, Zr and Ta, including their alloys and mixtures embedded in the matrix.
References Cited (Backward Citations)
US3526499A
Cited
US3904402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-28 | 1985-03-30 | 1985-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-28 | 1989-03-30 | 1989-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-28 | 1993-03-30 | 1993-09-29 | $7700.00 | Window Closed / Lapsed |