METHOD OF ELECTRO-EXPLOSIVE SPRAYING OF ELECTRICAL EROSION-RESISTANT COATINGS BASED ON MOLYBDENUM AND GOLD ON COPPER ELECTRICAL CONTACT Russian patent published in 2023 - IPC C23C4/08 C23C4/126 

FIELD: electrical network.

SUBSTANCE: method for electro-explosive spraying of an electrical erosion-resistant composite coating containing a gold-based matrix with molybdenum inclusions onto a copper electrical contact. An electric explosion is carried out on a gold foil weighing 100-800 mg with molybdenum powder placed on it weighing 0.5-1.5 times the weight of the foil. A pulsed multiphase plasma jet is formed from the explosion products. It melts the surface of a copper electrical contact at an absorbed power density of 4.5-5.5 GW/m² with deposition of explosion products onto the surface of the copper electrical contact to form the above-mentioned electrical erosion-resistant composite coating.

EFFECT: coating is provided to increase the service life of the switching electrical circuits of copper electrical contacts.

1 cl, 3 dwg, 2 ex