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Functional Characteristics of Electric Contact Grease

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Abstract—

The article notes that the use of electric contact grease is one of the effective methods for improving the reliability of connections in electrical engineering, which is relevant due to the rapid development of electric transport and increasing requirements for the environmental friendliness of lubricants. Тhe production of grease, which, in addition to tribological efficiency, has electrically conductive properties in a tribosystem, can be achieved by providing a stable dispersed system with a high content of solid lubricants and electrically conductive components. The effect of introducing the electroconductive particles into the grease composition to provide electrically conductive properties was studied. Technological methods for obtaining the electric contact grease have been developed. It has been established that with an increase in the content of electroconductive filler in grease, the wear index and colloidal stability decrease with an increase in the dropping point and shear strength. The optimal content of the electroconductive filler was determined while maintaining the required tribological and physicomechanical characteristics of the electric contact grease. The prospects of using biodegradable oils as the basis for greases are noted.

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Funding

This study was supported financially by task 4.2.3, research work of the subprogram Multifunctional and Composite Materials of the State Research Institute for 2022–2025 and the Belarusian Foundation for Basic Research (project number T21ET-018).

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Authors and Affiliations

  1. Institute of Mechanics of Metal-Polymer Systems, National Academy of Sciences of Belarus, 246050, Gomel, Belarus

    D. M. Gutsev, F. A. Grigoriev & N. K. Myshkin

Authors
  1. D. M. Gutsev
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  2. F. A. Grigoriev
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  3. N. K. Myshkin
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Correspondence to D. M. Gutsev.

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Translated by Sh. Galyaltdinov

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Gutsev, D.M., Grigoriev, F.A. & Myshkin, N.K. Functional Characteristics of Electric Contact Grease. J. Frict. Wear 44, 1–4 (2023). https://doi.org/10.3103/S1068366623010051

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  • DOI: https://doi.org/10.3103/S1068366623010051

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