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Mass-spectrometric investigation of solid lubricating coatings subjected to friction in a deep vacuum

Abstract

The life of solid lubricating coatings of the VNII NP type, based on molybdenum disulfides and various binders, has been experimentally investigated under deep vacuum conditions (10−8−5 · 10−9 torr) together with the composition of the gas released in the friction process. It is shown that both under atmospheric conditions and in a deep vacuum the life of the coatings depends on the chemical nature of the film-former. The depth of the vacuum also has an important influence on the life of the coatings, both the mechanism and the end result of this effect depending to a large extent on the physicochemical properties of the bind. On the interval 10−1−10−2 torr there is a sudden change in the life of the coating.

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Literature cited

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    L. N. Sentyurikhina and E. M. Oparina, Molybdenum Disulfide Solid Lubricants [in Russian], Moscow (1966).

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    V. F. Udovenko, Fiz. Khim. Mekhan. Mat.,4, 241 (1968).

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    I. M. Lyubarskii, L. N. Sentyurikhina, Z. S. Rubtsova, V. F. Udovenko, and G. V. Kurilov, Khim. Tekhnol. Topliv i Masel, No. 5, 49 (1969).

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Additional information

Physicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar'kov. Translated from Mekhanika Polimerov, No. 6, pp. 1070–1075, November–December, 1970.

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Kurilov, G.V., Sentyurikhina, L.N., Lyubarskii, I.M. et al. Mass-spectrometric investigation of solid lubricating coatings subjected to friction in a deep vacuum. Polymer Mechanics 6, 930–934 (1970). https://doi.org/10.1007/BF00856908

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Keywords

  • Molybdenum
  • Disulfide
  • Physicochemical Property
  • Vacuum Condition
  • Atmospheric Condition