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In this study, the tribological behavior of lamellar ZrS₂ nanobelts as lubricant additives was investigated under different concentrations, normal load, velocity, and temperature. The friction and wear tests were performed using a tribometer and with a reciprocating motion. The results indicate that the lamellar ZrS₂ nanobelt additives can effectively reduce the coefficient of friction and running-in time during the running-in period. With the addition of ZrS₂, the wear volumes decrease significantly. The wear is mostly influenced by the tribological performance throughout the running-in period. The lower the running-in time and coefficient of friction are during the running-in period, the less amount of wear is shown. ZrS₂ can significantly increase the load-carrying capacity of oil. The 1.0 wt% concentration of ZrS₂ yields the best antifriction effect, antiwear performance, and load-carrying capacity. The ZrS₂ additives can increase the working temperature of the oil. The friction-reducing and antiwear mechanisms of lamellar ZrS₂ were discussed.

Antifriction and Antiwear Effect of Lamellar ZrS2 Nanobelts as Lubricant Additives