Fig. 7

The worn surface morphologies and the edge analysis of the worn surface lubricated with a, b base oil, c, d pure MoS2 nanofluids, e, f pure SiO2 nanofluids, and g, h SiO2/MoS2 (0.25:0.75) hybrid nanofluids (8 N, 30 mm/s, 1.5 h)
The worn surface morphologies and the edge analysis of the worn surface lubricated with a, b base oil, c, d pure MoS2 nanofluids, e, f pure SiO2 nanofluids, and g, h SiO2/MoS2 (0.25:0.75) hybrid nanofluids (8 N, 30 mm/s, 1.5 h)