Abstract
The results of tribotechnical testing of brass–steel and iron–steel friction couples for both their running-in ability and wear resistance have been described. For brass and iron jaws of friction couples, it has been established that the load before tearing increased to 4.3 and 12.3%, respectively, in synthetic oil, while for semisynthetic oil, it increased to 12.5 and 25.0%. It has also been found that ultrasonic machining enabled a decrease in the coefficient of friction for brass and iron jaws in synthetic oil to 13.4 and 15.3%, respectively, and 25.0 and 28.1% in semisynthetic oil. Any features of the residual viscosity of engine lubricating oil after ultrasonic machining, which cannot be measured with a fluidmeter, have been found.
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Original Russian Text © A.A. Simdyankin, I.A. Uspensky, V.M. Pashchenko, A.V. Starunsky, 2017, published in Trenie i Iznos, 2017, Vol. 38, No. 4, pp. 358–363.
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Simdyankin, A.A., Uspensky, I.A., Pashchenko, V.M. et al. Ultrasonic machining of engine lubricating oil during tribotechnical testing. J. Frict. Wear 38, 311–315 (2017). https://doi.org/10.3103/S1068366617040134
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DOI: https://doi.org/10.3103/S1068366617040134