Wear resistant coating and process

Details Wear resistant coating and process Wear resistant coating and process

1987-05-04

1988-03-15

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427423, 420453, 428680, B05D 108

Patent

active

047312530

ABSTRACT:
A composite article comprising a metallic substrate having an improved ductile wear and corrosion resistant surface coating thereon and metallurgically bonded thereto in which the coating comprises a nickel-chromium-tungsten base alloy matrix having uniformly dispersed therethrough a plurality of primary wear resistant particles such as tungsten carbide, for example, and secondary chromium and/or tungsten carbide crystals. The invention further encompasses the method of making the composite article by applying a particulated mixture of the metal alloy and primary wear resistant particles preferably by the Plasma Transferred Arc technique on the surface of a metallic substrate.

REFERENCES:
patent: 3914573 (1975-10-01), Muehlberger
patent: 4136230 (1979-01-01), Patel
patent: 4228223 (1980-10-01), Knotek et al.

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