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JRM Vol.5 No.4 pp. 401-406
doi: 10.20965/jrm.1993.p0401
(1993)

Paper:

Electrical Characteristics of Solid Lubricant Composites Dispersed in High-Purity Mineral Oils

Yoshitada Watanabe

Faculty of Engineering, Kogakuin University, 1-24-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo, 163-91 Japan

Received:
June 28, 1993
Accepted:
July 5, 1993
Published:
August 20, 1993
Keywords:
Electrical characteristic, Solid lubricant, Mineral oil, Graphite, Molybnenum disulfide, Dielectric breakdown
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.

Cite this article as:
Y. Watanabe, “Electrical Characteristics of Solid Lubricant Composites Dispersed in High-Purity Mineral Oils,” J. Robot. Mechatron., Vol.5, No.4, pp. 401-406, 1993.
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