An Evaluation of Lubricating Properties of CuO and h-Boron Nitride (h-BN)

Gocman, Krzysztof; Kałdoński, T.; Pawlak, Zenon

doi:10.2474/trol.15.374

Cited by 3 publications

(3 citation statements)

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“…Compared to the study on the effect of CuO, h-BN or BNNS on tribological property respectively [12,13,[27][28][29], this paper aims at investigating the tribological performance of cooperation effect of f-CuO and PDA-BNNS used as lubrication oil additive. A synthesis route of CuO@BNNS was proposed, in this paper.…”

Section: Discussionmentioning

confidence: 99%

“…Nano Cu or CuO has been adopted as lubricant additive in many studies. Researches have demonstrated that Cu or CuO on lamellar structure can markedly enhance the wear-resistance of lubricant oil or self-lubricant composites [2,[25][26][27][28][29][30]. Due to the good dispersion ability of Cu@WS 2 in polyalkylene glycol (PAG), the PAG oil showed better friction-reduction and anti-wear properties than WS 2 and Cu nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

“…As the combination with CuO, the anti-wear property of mineral oil containing CuO and h-BN as additives is greatly improved. Result showed that with the sliding process, the steel-steel contact at the beginning was protected by the formation of cooper tribo-film on the friction pairs [7,28]. With the collaboration of CuO nano particle, tribological properties of nano diamond also performs well as oil additive [7].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of copper oxide@boron nitride nanosheet hybrid nanocomposite on tribological properties of paraffin liquid

Gao

Wang

et al. 2022

SN Appl. Sci.

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Due to the significant friction-reduction and anti-wear properties of nano particle, nano copper oxide (CuO) particle decorating on boron nitride nanosheets (BNNS) nanocomposites are fabricated with polydopamine (PDA) as the linking agent. The structural and morphological characteristics of the CuO@BNNS composite are characterized by scanning electron microscopy (SEM), X-ray diffraction patterns, fourier transform infrared spectroscopy and thermogravimetric analysis. The synergistic effect of CuO and BNNS on extreme pressure of lubrication oil are investigated. A four-ball tribometer is adopted to investigate the tribological behaviors of the as-prepared oil with different additives. Optical microscope and SEM are used to analyze the topography of worn surface. Energy dispersive spectroscopy is adopted to investigate the element distribution on worn surface. The results demonstrate that the CuO@BNNS nanoparticle could effectively improve the friction-reduction and anti-wear properties of the paraffin liquid, compared to paraffin liquid containing modified CuO (f-CuO) or PDA-BNNS respectively. The worn surface of steel ball presents smooth morphology for oil containing CuO@BNNS, contrast to oil containing f-CuO or PDA-BNNS respectively. With the tribo-film formation on the worn surface, the elements distribute uniformly on the worn surface for oil containing CuO@BNNS. Compared to lower load, the effect of load-carrying capacity and easy-shear property of CuO@BNNS outstand under 392 N, which results in the smooth worn surface compared to oil containing other additives. Article Highlights CuO@BNNS hybrid nanoparticle was prepared with a simple and mild method. CuO@BNNS presents superior anti-friction and anti-wear properties due to the synergistic effect of nanoparticle. The result obtained in the paper promotes the application of h-BN based nanocomposites in tribology.

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Section: Discussionmentioning

confidence: 99%