Method for coating metals

Details Method for coating metals Method for coating metals

2005-11-17

2008-12-09

Bareford, Katherine A (Department: 1792)

Coating processes

Spray coating utilizing flame or plasma heat

Metal oxide containing coating

C427S455000, C427S456000, C427S534000, C427S540000, C427S405000, C427S419200, C427S419700, C427S418000

Reexamination Certificate

active

07462378

ABSTRACT:
Disclosed herein are methods for coating metal substrates, systems therefore, and articles made therefrom. In one embodiment, the method of coating a metal substrate comprises: disposing a metallic bond coating on the metal substrate, creating ions with a reverse polarity high frequency apparatus at a frequency of greater than or equal to about 2.5 kHz, roughening the surface with the ions to a subsequent average surface roughness of greater than or equal to about 5 μm, and disposing a ceramic coating on the metallic bond coating surface. The metallic bond coating had a surface with an initial average surface roughness of less than or equal to about 1 μm.

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