engleski

The structure of the WC-Ag coating, obtained by electric explosive spraying, nitriding and following electronic beam treatment

The copper electrical contact with an area of 1 cm2 was subjected to three-stage processing. On the first stage, the WC-Ag coating was sprayed by the electro explosive method. The surface layer was nitrogenized further. At the third stage, it was provided repetitively- pulsed electron-beam treatment on the sprayed coating. The phase composition of the multi-stage coating consists of tungsten monocarbide, solid solutions of nitrogen and silver, as well as silver nitrides. The sprayed coating layer belongs to a class of nanomaterials. As a result of electron-beam finishing, the coating surface acquires a shining gloss.

WC-Ag coating ; electric explosive spraying ; nitriding ; electronic beam treatment

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