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Is hydrophilic graphene oxide better in lubricated conditions? 


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Hydrophilic graphene oxide (GO) has shown promise in lubricated conditions. Functionalized aged reduced graphene oxide (A-rGO) dispersed in polyethylene glycol (PEG200) improved the lubrication properties of steel-steel contact . Fluorinated graphene oxide (FGO) water lubricant additives, which contain numerous oxygen-containing functional groups, exhibited excellent dispersibility in water and tremendous abrasion resistance . GO-based materials have been found to improve the lubricant efficacy of water lubrication due to their mechanical properties and water dispersibility . Graphene oxide (GO) as an additive in water-based lubrication has been shown to reduce friction coefficient and wear volume, attributed to the formation of a low shear strength tribo-layer of graphene on the surface . Overall, hydrophilic graphene oxide has demonstrated potential in enhancing lubrication properties in various lubricated conditions.

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Open access
01 Jan 2017
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The paper does not provide information on whether hydrophilic graphene oxide is better in lubricated conditions.
Yes, the study found that the addition of hydrophilic graphene oxide to water-based lubricants improved the friction and wear performance of stainless steel.
Yes, hydrophilic graphene oxide is better in lubricated conditions as it improves the stability of nanolubricating fluid through steric hindrance and electrostatic effects.
Yes, hydrophilic graphene oxide (FGO) is better in lubricated conditions as it exhibits excellent dispersibility in water and provides superior friction-reducing and anti-wear performances.
Yes, hydrophilic graphene oxide additives dispersed in polyethylene glycol significantly improved the lubrication properties of steel-steel contact.

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