Abstract
In this paper, the possibility of the transfer of additives that are in the emulsion mist is shown by the example of the bronze CuSn7Zn4Pb6–stainless steel X10CrNi18-8 friction pair. The additive is first transferred on the processed surface of the part and through it–in the contact zone of the friction pair. It was established that the emulsion mist reduces the roughness of machined stainless steel surface more than three times, and the introduction of additives based on phosphate esters into the emulsion reduces the roughness by 4–4.5 times. Phosphate-based additive remains on the machined surface in significant quantities, even after 30 min working at heavy loads, reducing the instantaneous friction coefficient and the temperature of the friction zone. The mean width of profile elements of the assessed profile of bronze samples decreases by two times and their bearing length ratio decreases by four times. In this case, a decrease in the wear rate of bronze by more than 40% is ensured. This fact indicates the better running-in of the friction pair.
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Original Russian Text © R.W. Maruda, E.E. Feldshtein, S. Legutko, G.M. Królczyk, 2015, published in Trenie i Iznos, 2015, Vol. 36, No. 6, pp. 706–713.
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Maruda, R.W., Feldshtein, E.E., Legutko, S. et al. Improving the efficiency of running-in for a bronze–stainless steel friction pair. J. Frict. Wear 36, 548–553 (2015). https://doi.org/10.3103/S1068366615060082
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DOI: https://doi.org/10.3103/S1068366615060082