Patent US4523950A successfully refreshed from Google Patents.
US4523950A
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Boron containing rapid solidification alloy and method of making the same
Assignee: Honeywell International Inc
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Filing: 1981-11-09
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Granted: 1985-06-18
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Expires: 2001-11-09
Abstract
Abstract A homogeneous boron containing alloy is disclosed with a composition which can be essentially represented by the formula of: MiTjBk where M is a metal from the group of nickel, iron, cobalt or a mixture thereof; T is a refractory metal from the group of molybdenum, tungsten, or a mixture thereof; and B is the element boron. The subscripts i, j, k are the respective atomic percent of each of the constituents and vary respectively between about 25 and 98, between about 1 and 40, and between 1 and 35 with the proviso that j>k, and i+j+k=100. By further limitation of the chemistry, it is possible to assure the alloy will age harden.
Inventors
- 👤 Chung-Chu Wan
- 👤 Rong Y. Wang
- 👤 Deepak Kapoor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:28
CPC Classifications
C; C22; C22C; C22C45/00; C22C45/008; C22C29/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
92 words
A single-phase, boride-free, homogeneous age hardenable microcrystalline alloy consisting of a composition restricted such that the composition is within a region of a pseudo ternary diagram for the M*-T*-B system, where M* is the sum of the atomic percents of Ni, Co and Fe; and T* is the sum of the atomic percents of Mo and W, said region of said pseudo ternary diagram being defined by a triangle having its corners at: (83, 16, 1) (39, 33, 28), and (68, 31, 1) where the indicies are respectively M*, T* and B.
Claim 2
Dependent Claim
92 words
A single-phase, boride-free, homogeneous age hardenable microcrystalline alloy consisting of a composition restricted such that the composition is within a region of a pseudo ternary diagram for the M*-T*-B system, where M* is the sum of the atomic percents of Ni, Co and Fe; and T* is the sum of the atomic percents of Mo and W, said region of said pseudo ternary diagram being defined by a triangle having its corners at: (83, 16, 1) (39, 33, 28), and (68, 31, 1) where the indicies are respectively M*, T* and B.
Claim 3
Dependent Claim
12 words
The alloy of claim 1 wherein said alloy is in powder form.
Claim 4
Dependent Claim
16 words
The powder of claim 2 wherein the mesh size range is between about -35 and +325.
Claim 5
Dependent Claim
60 words
A single-phase, boride-free, homogeneous age-hardenable microcrystalline alloy consisting essentially of a composition restricted such that the composition is within a quadrilateral region of the ternary diagram for the Ni-Mo-B system having its corners at: (83, 16, 1), (28, 37, 35), (25, 40, 35), and (59, 40, 1); where the indicies are, respectively, the atomic percent of Ni, Mo, and B.
Claim 6
Dependent Claim
60 words
A single-phase, boride-free, homogeneous age-hardenable microcrystalline alloy consisting essentially of a composition restricted such that the composition is within a quadrilateral region of the ternary diagram for the Ni-Mo-B system having its corners at: (83, 16, 1), (28, 37, 35), (25, 40, 35), and (59, 40, 1); where the indicies are, respectively, the atomic percent of Ni, Mo, and B.
Claim 7
Dependent Claim
12 words
The alloy of claim 4 wherein said alloy is in ribbon form.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-17 | 1988-12-17 | 1989-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-17 | 1992-12-17 | 1993-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-17 | 1996-12-17 | 1997-06-18 | $7700.00 | Window Closed / Lapsed |