US4135924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filaments of zirconium-copper glassy alloys containing transition metal elements
Assignee: Honeywell International Inc
•
Filing: 1977-08-09
•
Granted: 1979-01-23
•
Expires: 1997-08-09
Abstract
Abstract Continuous filaments of zirconium-copper glassy alloys containing at least one of the transition metal elements of iron, cobalt and nickel are disclosed. The filaments are substantially totally glassy and have a composition consisting essentially of about 1 to 68 atom percent copper plus at least one element selected from the group consisting of about 1 to 29 atom percent iron, about 1 to 43 atom percent cobalt and about 1 to 42 atom percent nickel, balance essentially zirconium plus incidental impurities. The glassy alloy filaments of the invention evidence unusually high electrical resistivities of over 200 μΩ-cm.
Inventors
- 👤 Lee E. Tanner
- 👤 Ranjan Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:00
CPC Classifications
C; C22; C22C; C22C45/00; C22C45/10; C22C45/001; C22C45/008; H; H01; H01C; H01C3/00; H01C3/005; H01C7/00; H01C7/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
199 words
Substantially continuous filaments of a substantially glassy zirconium-copper alloy containing an element selected from the group consisting of cobalt and nickel, said alloy consisting essentially of a composition selected from the group consisting of: (a) zirconium, copper and cobalt which, when plotted on a ternary composition diagram in atom percent Zr, atom percent Cu and atom percent Co, is represented by a polygon having at its corners the points defined by: (1) 64 Zr - 35 Cu - 1 Co (2) 31 Zr - 68 Cu - 1 Co (3) 35 Zr - 35 Cu - 30 Co (4) 56 Zr - 1 Cu - 43 Co (5) 64 Zr - 1 Cu - 35 Co; and (b) zirconium, copper and nickel which, when plotted on a ternary composition diagram in atom percent Zr, atom percent Cu and atom percent Ni, is represented by a polygon having at its corners the points defined by: (1) 64 Zr - 35 Cu - 1 Ni (2) 31 Zr - 68 Cu - 1 Ni (3) 40 Zr - 28 Cu - 32 Ni (4) 57 Zr - 1 Cu - 42 Ni (5) 71 Zr - 1 Cu - 28 Ni.
Claim 2
Dependent Claim
199 words
Substantially continuous filaments of a substantially glassy zirconium-copper alloy containing an element selected from the group consisting of cobalt and nickel, said alloy consisting essentially of a composition selected from the group consisting of: (a) zirconium, copper and cobalt which, when plotted on a ternary composition diagram in atom percent Zr, atom percent Cu and atom percent Co, is represented by a polygon having at its corners the points defined by: (1) 64 Zr - 35 Cu - 1 Co (2) 31 Zr - 68 Cu - 1 Co (3) 35 Zr - 35 Cu - 30 Co (4) 56 Zr - 1 Cu - 43 Co (5) 64 Zr - 1 Cu - 35 Co; and (b) zirconium, copper and nickel which, when plotted on a ternary composition diagram in atom percent Zr, atom percent Cu and atom percent Ni, is represented by a polygon having at its corners the points defined by: (1) 64 Zr - 35 Cu - 1 Ni (2) 31 Zr - 68 Cu - 1 Ni (3) 40 Zr - 28 Cu - 32 Ni (4) 57 Zr - 1 Cu - 42 Ni (5) 71 Zr - 1 Cu - 28 Ni.
Claim 3
Dependent Claim
26 words
The filament of claim 1 in which the composition is defined by the area enclosed by the polygon a-b-c-d-e-a in FIG. 2 of the attached Drawing.
Claim 4
Dependent Claim
26 words
The filament of claim 1 in which the composition is defined by the area enclosed by the polygon a-b-c-d-e-a in FIG. 3 of the attached Drawing.
References Cited (Backward Citations)
US3960200A
Cited
US3871836A
Cited
US3856513A
Cited
US3863700A
Cited
US3881540A
Cited
US4036638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-22 | 1982-07-24 | 1983-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-22 | 1986-07-24 | 1987-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-22 | 1990-07-24 | 1991-01-23 | $7700.00 | Window Closed / Lapsed |