FIELD: metallurgy.
SUBSTANCE: method includes electrolytic coating deposition in electrolyte containing, g/l: copper (II) borofluoride (in terms of metal) 55-70, tin (II) borftluoride (in terms of metal) 40-45, boron fluoride 110- 200, boric acid 40-100, antioxidant 4-10, surfactant 0.5-2.5, at a cathode current density of 2.0-10.0 A/dm2 and electrolyte temperature 18-25°C.
EFFECT: increased abrasion and corrosion resistance of the coating under conditions of fretting corrosion, reduced friction coefficient, increased hardness, wear resistance and thermal stability of the coating.
3 cl, 2 tbl
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