Figure 5From: Synthesis and Tribological Properties of WSe2NanorodsVariation of friction coefficient as a function of rotating speed fora the HVI500 base oil and the HVI500 base oil containing 2, 5, 7 wt.% WSe2nanorods at 200 N,b the HVI500 base oil containing 7 wt.% WSe2nanorods for 30 minBack to article page