Title: Method for coating metals
Application Number: 200610149223 Application Date: 2006.11.17
Publication Number: 1966770 Publication Date: 2007.05.23
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C23C28/00;C23C30/00;C23C4/06;C23D3/00;C23D5/00;H01J37/317
Applicant(s) Name: Gen Electric Address:
Inventor(s) Name: Nowak Daniel Anthony;Dimascio Paul Stephen;Bucci D
Attorney & Agent: caimin jun
Abstract:
    Disclosed herein are methods for coating metal substrates (12), systems therefore, and articles made therefrom. In one embodiment, the method of coating a metal substrate (12) comprises: disposing a metallic bond coating (14) on the metal substrate (12), 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 (18) with the ions to a subsequent average surface roughness of greater than or equal to about 5 mu m, and disposing a ceramic coating (16) on the metallic bond coating surface (18). The metallic bond coating (14) had a surface (18) with an initial average surface roughness of less than or equal to about 1 mu m.
Time: 11