Study on Dispersion Stability and Friction Characteristics of C60 Nanomicrosphere Lubricating Additives for Improving Cutting Conditions in Manufacturing Process

Table 3

Frication properties of fullerene nanoparticles in the HM32 base oil (normal load 200 N).

Lubricating fluid	Frication coefficient	The wear scar diameter (mm)
HM32	0.109	0.519
HM32 + 100 ppm C60 nanoparticle	0.086	0.498
HM32 + 200 ppm C60 nanoparticle	0.064	0.465
HM32 + 300 ppm C60 nanoparticle	0.069	0.447
HM32 + 400 ppm C60 nanoparticle	0.078	0.487
HM32 + 500 ppm C60 nanoparticle	0.067	0.509
HM32 + 1000 ppm C60 nanoparticle	0.071	0.513