This paper analyzes the possible mechanisms responsible for the synergistic performances of micellar copper oxide and polymer additives on wear and friction characteristics in tribological systems. In order to evaluate the synergistic effect, a new wear-friction test apparatus was developed and used in the presented work. The sensor electronic system was designed and built for simultaneous measurements of the temperature in the lubricating zone and the normal force. These two parameters allowed estimating a healing efficiency of the viscoelastic nanolubricant. The effect of both rheological properties (both viscous and elastic properties) and the composition (concentration of nanoparticles to base liquid and a surfactant) of the metalworking nanofluids on the tribological process performances was determined.

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