Abstract
Solid lubricants composites based by Graphite, Molybdenum Disulfide, etc. are used in the forms of sintered alloys, dry films, or liquid films being dispersed in oil at various sliding contacts. Few researchers have, however, presented the papers regarding the electrical behaviors of those composites by the incorporation of such solid lubricants. Described in this paper are the measurement results of electrical characteristics of the test samples in which Graphite and MoS² are dispersed in highly pure mineral oils, referring to JIS C-2101. All of the samples in which MoS² was dispersed in mineral oil indicated high electrical resistance to the level obtainable on the straight mineral oils, even changing the dosages of MoS² from 0.01wt.% to l.0wt.%. On the other hand, dielectric breakdown voltages of the samples in which Graphite was dispersed in mineral oil were remarkably decreased from 41.2kV down to 8.4kV along with the increase of the dosage of Graphite from 0.01wt.% up to l.0wt.% to indicate low electric conductivity.
Published Version
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