Abstract

Tribological behavior of Cu–MoS2 and Ag–MoS2 nanocomposite lubricant was studied. Cu nanoparticles produced by electrical explosion of copper wires and Ag nanoparticles prepared by electrospark erosion were employed as metal cladding modifiers of MoS2 nanolamellar particles. The tribological tests showed Cu–MoS2 and Ag–MoS2 nanocomposite lubricants changed the friction coefficient of the initial grease and essentially improved its wear resistance.

Highlights

  • Molybdenum and tungsten disulfides due to their anisotropic layered crystal structure are characterized by unique properties

  • The prepared nanolamellar MoS2 (n-MoS2) particles mixed with n-Cu and n-Ag particles in different ratios were added to the Litol and VNIINP greases

  • Composite greases containing nanolamellar MoS2 doped with Cu and Ag nanoparticles were successfully prepared for tribological tests

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Summary

Introduction

Molybdenum and tungsten disulfides due to their anisotropic layered crystal structure are characterized by unique properties. *Correspondence: an_vladimir@tpu.ru 1 Laboratory 12, Institute of High Technology Physics, National Research Tomsk Polytechnic University, 30 Lenin Ave., Tomsk, Russia 634050 Full list of author information is available at the end of the article antiwear properties of copper and antifriction behavior of MoS2 is observed in air at room temperature (An et al 2014). At the same time, doping the grease with the composition of nanolamellar MoS2 with n-Cu leads to a friction coefficient more stable in time.

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