FIELD: electricity.
SUBSTANCE: method includes electrical explosion of composite conductor exploded electrically that consists of a double-layer flat copper shell with weight of 60-360 mg and core in the form of diboride titanium powder with weight equal to 0.5-2.0 of the shell weight, formation of a multiphase pulsed plasma jet out of explosion products, melting of the surface of a copper electric contact by the jet at absorbed power density of 4.5-6.5 GW/m2, deposition of the explosion products to the surface and formation of the composite coating of TiB2-Cu system at it and subsequent repetitively-pulsed electron-beam treatment of the coating surface at absorbed power density of 40-60 J/cm2, pulse duration of 150-200 mcs and number of pulses of 10-30.
EFFECT: invention allows production of contacts having high electroerosion resistivity.
2 ex, 2 dwg
