Coating metallic substrate with powdered filler and molten metal
Abstract
Abstract A PROCESS FOR COATING A SUBSTRATE WITHIN A THIN COATING COMPOSED OF A FILLER DISPERSED IN A METALLIC MATRIX WHEREIN A FILM OR SHEET OF A MIXTURE OF AN ORGANIC BINDER AND A FILLER WHICH IS WETTED BY THE METALLIC MATRIX IN THE MOLTEN STATE, SAID FILLER COMPRISING A POWDERED METAL, INTERMETALLIC COMPOUND, ABRASIVE OR A MIXTURE THEREOF IS PLACED UPON A SURFACE OR PORTION THEREOF OF A SUBSTRATE, A LAYER OF MATRIX METAL HAVING A SOLIDUS TEMPERATURE LOWER THAN EITHER THE SUBSTRATE AND THE FILLER IS PLACED CONTIGUOUS TO THE FILM OR SHEET OF THE FILLER TO PRODUCE AN ASSEMBLY WHICH IS HEATED TO AT LEAST THE SOLIDUS OF THE MATRIX METAL AND BELOW THE SOLIDUS TEMPERATURES OF THE SUBSTRATE AND FILLER AND ABOVE THE DECOMPOSITION TEMPERATURE OF THE BINDER WHEREBY THE MOLTEN METAL INFILTRATES OR INFUSES INTO THE FILLER LAYER TO GIVE, UPON COOLING A THIN COATING OF THE METALLIC FILLED WITH THE FILLER. THE PROCESS IS USEFUL FOR PREPARING COATED SUBSTRATES WHICH HAVE CORROSION OR WEAR RESISTANCE.
Inventors
- 👤 J Bailey
- 👤 D Worden
- 👤 E Breton
- 👤 J Wolf
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |