Abstract
Wrought self-lubricating Ag-Pd alloy base composite materials containing graphite are described and the contact voltage drop, wear, and friction of self-lubricating brushes and the novel metal-alloy slip rings are studied. The study indicates that: (1) wrought composites with evenly dispersed graphite in Ag/Pd alloy can be produced; (2) hardness of the wrought composites is less than that for sintered ones; (3) the graphite content that produces the minimum contact voltage drop and wear with a low friction coefficient was determined; and (4) in the case of the contact between the Ag-10% Pd-5%C wrought brush and the Cu-10%Ag slip ring, the contact drop, wear, and friction are significantly small.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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