Method for coating surfaces with hard substances

Details Method for coating surfaces with hard substances Method for coating surfaces with hard substances

1987-10-07

1988-06-07

Bell, Janyce A.

Coating processes

Solid particles or fibers applied

Uniting particles to form continuous coating with...

427192, 427204, 427205, 427226, 427229, 427327, 427328, 4273762, 4273763, 4273764, 4273835, 4273837, 427404, 427405, 427406, 4274197, B05D 136, B05D 302

Patent

active

047495944

ABSTRACT:
To coat metallic or ceramic surfaces with hard substances by means of brazing, a powder mixture of 60 to 90% silver, 2 to 35% copper, 2 to 30% tin and/or indium and 2 to 20% titanium, zirconium, hafnium, chromium, vanadium, tantalum, niobium, titanium hydride, zirconium hydride and/or hafnium hydride together with an organic binder and then the hard-substance powder are deposited on the surface and heated to 900.degree. to 1200.degree. C. The particle sizes of the metallic powders must be less than the particle size of the hard-substance powder.

REFERENCES:
patent: 2351798 (1944-06-01), Alexander
patent: 2512455 (1950-06-01), Aktander
patent: 3663280 (1972-05-01), Lee
patent: 4170460 (1979-10-01), Donley
patent: 4223826 (1980-09-01), Usui
patent: 4426404 (1984-01-01), Shoher et al.
patent: 4434211 (1984-02-01), Shoher et al.
patent: 4704250 (1987-11-01), Cline et al.

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