Fig. 4

Variations of the friction coefficients and wear volume of the plates lubricated with the SiO2/MoS2 (0.25:0.75) hybrid nanofluids as a function of SiO2/MoS2 (0.25:0.75) hybrid nanoparticles concentration (8 N, 30 mm/s, 1.5 h)
Variations of the friction coefficients and wear volume of the plates lubricated with the SiO2/MoS2 (0.25:0.75) hybrid nanofluids as a function of SiO2/MoS2 (0.25:0.75) hybrid nanoparticles concentration (8 N, 30 mm/s, 1.5 h)