Tribological properties of the hierarchically structured graphene oxide composite coatings reinforced with polyvinyl alcohol

Effects of the etching process on the surface, friction and wear characteristics of silicone rubber coated with micro-sized ceramic particles

“…The wear rate (mm 3 N −1 mm −1 ) is the quotient obtained by dividing the wear volume (mm 3 ) by the product of the vertical load ( N ) and sliding distance (mm). 12 To ensure the reliability of the test results, all experiments were performed at least three times for each specimen.…”

Tribological properties of aluminum alloy coated with graphene oxide/polyvinyl alcohol composites after micro-arc oxidation

“…However, under the condition of dry friction, the film on the surface of PVA film is quickly worn through during tribological experiments, leading to direct contact between the two metal pairs, which also causes a sharp increase in friction coefficient. The friction coefficient of MAO–GO composite film is reduced, and the average friction coefficient is about 0.21 (Min et al. , 2022).…”

“…On the other hand, PVA, as a kind of polymer, can also be used as a lubricant. However, under the condition of dry friction, the film on the surface of PVA film is quickly worn through during tribological experiments, leading to direct contact between the two metal The friction coefficient of MAO-GO composite film is reduced, and the average friction coefficient is about 0.21 (Min et al, 2022). Compared with PVA film, the friction coefficient of MAO-GO film has been greatly improved, mainly because GO, as a nano material, has a small size, but GO has a high hardness, and it is not easy to wear through the tribology experiment.…”