FIELD: manufacturing technology.
SUBSTANCE: invention relates to a metal composite material for sliding contact of a power switch. Metallographic composite product in the form of sliding contact, in which graphene flakes are dispersed in metal matrix, which is Ag, Al, Au, Pt, In, Sn or Cu, or their combination. Graphene is present in amount within range from 0.005 to 0.5 wt% graphene flakes have average long axis within range from 100 nm to 50 mcm.
EFFECT: improved tribological properties.
15 cl, 3 dwg
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