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Influence of Oxidation Products on Anti-wear Properties of Lubricants

  • B. I. Kovalsky
  • N. N. LysyannikovaEmail author
  • E. G. Kravcova
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

The article presents the research results of effect of oxidation products on anti-wear properties, including the absorption coefficient of the light flux, evaporation, viscosity, the amount of wear, the coefficient of thermal stress, and the coefficient of resistance to oxidation. The method of research for lubricating oils for thermo-oxidative stability, determining the diameter of a wear spot and the effect of oxidation products on the anti-wear properties of the oils under study are described using test and control tools such as a device for thermal oxidation of oils, a photometer for direct electrophoretic oxidized oils, three-ball friction machine, and electronic scales. The dependences of the light flux absorption coefficient, volatility, and viscosity on the test time were constructed, by which the dominant influence of oxidation products was determined and then the amount of converted thermal energy and the thermal stress coefficient were determined. The article proposes to determine the quality of the lubricant from the graphical dependences of the thermal stress coefficient on the light absorption coefficient. According to the dependences of the change in the anti-wear properties of oxidized oils on the absorption coefficient of the light flux, the authors determine the degree of influence of oxidation products on the anti-wear properties.

Keywords

Motor oil Absorption coefficient of the light flux Volatility Viscosity Thermo-oxidative stability Anti-wear properties 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • B. I. Kovalsky
    • 1
  • N. N. Lysyannikova
    • 1
    Email author
  • E. G. Kravcova
    • 1
  1. 1.Siberian Federal University, Institute of Oil and GasKrasnoyarskRussia

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