GB1157826A - Improvements in and relating to Tantalum Alloys - Google Patents
Improvements in and relating to Tantalum AlloysInfo
- Publication number
- GB1157826A GB1157826A GB3772866A GB3772866A GB1157826A GB 1157826 A GB1157826 A GB 1157826A GB 3772866 A GB3772866 A GB 3772866A GB 3772866 A GB3772866 A GB 3772866A GB 1157826 A GB1157826 A GB 1157826A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alloys
- elements
- oxides
- tantalum
- atomic numbers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
1,157,826. Tantalum base alloys. NORTON CO. Aug. 23, 1966, No.37728/66. Addition to 1, 054, 049. Heading C7a. A tantalum alloy consists, apart from incidental impurities, of Ta or an alloy containing at least 60% Ta with the balance being one or more of the metals Ti, Zr, Hf, Th, V, Nb, Cr, Mo, W, U or Pa and an additive consisting of oxides of elements with atomic numbers 39 or 57-71, elements with atomic numbers 57-71 or mixtures of these elements or oxides with themselves or with yttrium, in an amount of 0À001-1% by weight and has an A. S. T. M. grain size number greater than 3 after cold working and heating at 3700‹ F. for one hour. The alloys are made by melting and remelting in an Ar atmosphere using a permanent tungsten electrode and a water cooled copper mould. The alloys may be annealed at 3300- 4000‹ F.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24495562A | 1962-12-17 | 1962-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1157826A true GB1157826A (en) | 1969-07-09 |
Family
ID=22924767
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4982263A Expired GB1054049A (en) | 1962-12-17 | ||
| GB3772866A Expired GB1157826A (en) | 1962-12-17 | 1966-08-23 | Improvements in and relating to Tantalum Alloys |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4982263A Expired GB1054049A (en) | 1962-12-17 |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT264147B (en) |
| DE (1) | DE1303257B (en) |
| GB (2) | GB1157826A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4526749A (en) * | 1984-07-02 | 1985-07-02 | Cabot Corporation | Tantalum-columbium-molybdenum-tungsten alloy |
| US5411611A (en) * | 1993-08-05 | 1995-05-02 | Cabot Corporation | Consumable electrode method for forming micro-alloyed products |
-
0
- GB GB4982263A patent/GB1054049A/en not_active Expired
-
1963
- 1963-12-17 AT AT1016963A patent/AT264147B/en active
- 1963-12-17 DE DE1963N0024173 patent/DE1303257B/de not_active Withdrawn
-
1966
- 1966-08-23 GB GB3772866A patent/GB1157826A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT264147B (en) | 1968-08-26 |
| DE1303257B (en) | 1971-07-08 |
| GB1054049A (en) | 1967-01-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |