Tungsten carbide dispersion in age-hardenable cupro-nickel
Abstract
Abstract A SINTERED REFRACTORY METAL CARBIDE COMPOSITION IS PROVIDED COMPRISING ABOUT 35 V/O TO 70 V/O OF AT LEAST ONE REFRACTORY METAL CARBIDE SELECTED FROM THE GROUP CONSISTING OF WC, CBC, VC AND TAC DISPERSED SUBSTANTIALLY UNIFORMLY THROUGH A CUPRO-NICKEL MATRIX MAKING UP ESSENTIALLY THE BALANCE, THE CUPRO-NICKEL MATRIX CONSISTING ESSENTIALLY BY WEIGHT OF ABOUT 55% TO 90% COPPER AND THE BALANCE ESSENTIALLY ABOUT 45% TO 10% BY WEIGHT OF NICKEL. THE CUPRO-NICKEL ALLOY MATRIX IS PREFERABLY AGE-HARDENABLE. THE COMPOSITION IS PARTICULARLY ADAPTED TO THE MANUFACTURE OF NON-MAGNETIC WEAR AND CORROSION RESISTANT ELEMENTS FOR USE IN SALINE ENVIRONMENTS, SUCH AS A MATING RING IN ROTATING MECHANICAL SEAL APPLICATIONS IN TORPEDOES AND THE LIKE.
Inventors
- 👤 Arnold L Prill
- 👤 Stuart E Tarkan
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |