Tribological improvement of potential lubricants for electric vehicles using double functionalized graphene oxide as additives

Liñeira del Río, José M.; Alonso Pérez, Gabriel; Martínez, Adrián; Peña, Diego; Fernández, Josefa

doi:10.1016/j.triboint.2024.109402

Tribology International

2024

DOI: 10.1016/j.triboint.2024.109402

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Tribological improvement of potential lubricants for electric vehicles using double functionalized graphene oxide as additives

José M. Liñeira del Río,

Gabriel Alonso Pérez,

Adrián Martínez

et al.

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2024

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Cited by 4 publications

References 31 publications

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Tribological performance of green nanolubricants using functionalized CaCO3 nanoparticles

Liñeira del Río,

Fernandes,

Gonçalves

et al. 2024

Tribology International

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Tribological performance of green nanolubricants using functionalized CaCO3 nanoparticles

Liñeira del Río,

Fernandes,

Gonçalves

et al. 2024

Tribology International

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Microscopic insights into the aggregation dynamics behavior and tribological properties of graphene

Qiu,

Song,

Yang

et al. 2024

Tribology International

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The Performance of Carbon-Based Nanomaterials in Different Base Oils and an Oil Blend

Nasr,

Cursaru

2024

Lubricants

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Different carbon-based nanomaterials (fullerenes, graphene, SWCNTs, and SWCNT-COOH) were tested as additives in a base mineral oil, SN150; rapeseed oil (RSO); and a 50/50 by volume blend of the two using an HFRR (high-frequency reciprocating rig) tester for coefficient of friction (COF) and wear scar diameter (WSD) determinations and a four-ball tester for welding point determinations. The concentrations considered for the HFRR tests were 0.1, 0.5, 1, and 2 wt.%, while the concentration considered for the welding point tests was 0.5 wt.%. The results of the welding point tests showed that the addition of different nanoparticles made it so that welding occurred at much lower pressures compared to the pure oils. This is due to the hardness of the nanoparticles, which increases the local temperature and pressure at the contact points between them and the surfaces, causing welding to occur much sooner. The results of the HFRR tests showed a possible synergistic effect between the fullerenes and SWCNT-COOH and the oil blend, which may be attributed to possible interactions that occurred at a molecular level between the nanoparticles and the different molecules of the oil blend.

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Tribological improvement of potential lubricants for electric vehicles using double functionalized graphene oxide as additives

Cited by 4 publications

References 31 publications

Tribological performance of green nanolubricants using functionalized CaCO3 nanoparticles

Tribological performance of green nanolubricants using functionalized CaCO3 nanoparticles

Microscopic insights into the aggregation dynamics behavior and tribological properties of graphene

The Performance of Carbon-Based Nanomaterials in Different Base Oils and an Oil Blend

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