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Study of the Anti-Wear Properties of Motor Oil during Thermostatization

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Abstract

This paper discusses a method for determining the anti-wear properties of motor oils after temperature control in the temperature range from 160 to 280°C. Optical density, viscosity, and wear scar diameter are considered. The effect of degradation products on the anti-wear properties of the oils under study was evaluated. The degree of influence of degradation products on anti-wear properties is shown, which is determined by the dependence of the change of diameter of the wear spot of thermostated oils on the absorption coefficient of the light flux. It is noted that the decomposition products have an ambiguous effect on the anti-wear properties of motor oils, which vary from 0.32 to 0.26 mm, and significant changes occur at a coefficient of KP = 0.05 of all studied oils, while the minimum diameter of the wear spot is characterized by mineral oil, partially synthetic and synthetic oils have values greater than 1.2 times and the reason for this is their heterogeneous composition, which depends on the quality of the additives used and their tendency to decomposition. As an assessment of anti-wear properties, a criterion is proposed that characterizes the concentration of degradation products and is recommended for classifying motor oils into groups of performance properties. The data obtained on the anti-wear properties of motor oils make it possible to compare oils of the same purpose and create a databank that will allow equipment designers to reasonably select oils depending on the temperature conditions of the tribocouples.

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Authors and Affiliations

  1. Siberian Federal University, 660041, Krasnoyarsk, Russia

    N. N. Lysyannikova, V. G. Shram, Yu. N. Bezborodov, A. V. Lysyannikov, E. G. Kravtsova, M. A. Plakhotnikova, M. A. Kovaleva, E. A. Efremova & A. A. Ryabinin

  2. Kyrgyz Aviation Institute, 720016, Bishkek, Kyrgyzstan

    Zh. S. Sharshembiev

Authors
  1. N. N. Lysyannikova
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  2. V. G. Shram
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  3. Yu. N. Bezborodov
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  4. A. V. Lysyannikov
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  5. E. G. Kravtsova
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  6. M. A. Plakhotnikova
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  7. M. A. Kovaleva
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  8. E. A. Efremova
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  9. A. A. Ryabinin
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  10. Zh. S. Sharshembiev
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Correspondence to V. G. Shram.

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Lysyannikova, N.N., Shram, V.G., Bezborodov, Y.N. et al. Study of the Anti-Wear Properties of Motor Oil during Thermostatization. J. Frict. Wear 44, 120–125 (2023). https://doi.org/10.3103/S106836662302006X

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  • DOI: https://doi.org/10.3103/S106836662302006X

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