Examining the role of hexagonal boron nitride nanoparticles as an additive in the lubricating oil and studying its application

Ramteke, Sangharatna M.; Chelladurai, H.

doi:10.1177/2397791420911811

Cited by 13 publications

(18 citation statements)

References 38 publications

(54 reference statements)

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“…In a previous work, 40 we have carried out tribological analyses of engine components using hBN‐based nanofluid by employing a realistic diesel engine. The results showed that the friction and wear of engine components were minimized due to the mending/patching effects of nanoparticles in the base oil which resulted in the formation of tribolayer.…”

Section: Introductionmentioning

confidence: 99%

Effects of hexagonal boron nitride based nanofluid on the tribological and performance, emission characteristics of a diesel engine: An experimental study

Ramteke

Chelladurai

2020

Engineering Reports

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In recent years, nanoparticles have attracted researchers attention due to its wear and friction reduction characteristics in lubricating oil. Hence, it is of utmost importance to consider nanoparticles additive in the lube oil and study its impact on the tribological and performance characteristics of mechanical systems. Therefore, this paper intends to explore the impact of conventional and hexagonal boron nitride (hBN) nanoparticles‐based lubricant on the wear of engine components, performance, and emission characteristics of a diesel engine. The different concentration namely, 0.5 wt.%, 0.75 wt.%, and 1 wt.% BN‐based nanofluids were formulated. The formulated nanofluids were characterized by UV‐spectroscopy and differential scanning calorimetry (DSC) for dispersion and heat capacity analyses respectively. From the characterization results, 1wt.% BN nanofluid was found stable and well dispersed and therefore, considered for further experimental analysis. The outcomes of the present study revealed that 1 wt.% BN‐based nanofluid shown better anti‐wear properties and improvement in performance, emission characteristics of the diesel engine. The obtained results will be useful for the lubricant industry to think toward formulating nanoparticles‐based lubricating oil.

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Section: Introductionmentioning

confidence: 99%

Effects of hexagonal boron nitride based nanofluid on the tribological and performance, emission characteristics of a diesel engine: An experimental study

Ramteke

Chelladurai

2020

Engineering Reports

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“…This contains 25% PET in sand replacement + nanoadditive and although its cost is high, it generated the best results in both compression and absorption. However, it could also be considered the dosage with 25% PET in replacement of sand without nanoadditive, as its results are acceptable, and the cost is lower [49]- [55].…”

Section: Resultsmentioning

confidence: 99%

Determination of Compression Stress and Volumetric Weight of Lightened Concrete Blocks, with the Use of Recycled Polymers and Nanoadditives

Gonzagaa¹,

Carrillo²,

Bedón³

et al. 2022

International Journal on Advanced Science, Engineering and Information Technology

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The current study describes the development and evaluation of hollow concrete blocks using recycled polymers and a waterproof, resistance improver nanoadditive together with cement, sand, and pumice to search for an ecological building material capable of reducing the environmental pollution. Three phases were performed; in which the first, we characterized petrous aggregates, polyethylene terephthalate (PET) and the nanoadditive. In the second one, several dosages were established with different percentages of crushed PET that represented to the sand. Additionally, a nanoadditive's part was placed in relation to the total water of the mixture. In the third phase, the compressive stress, volumetric weight, and absorption of the elaborated specimens were determined according to the national standard. The resulting optimal dosage was about 25% PET in replacement of sand + 0.0087 kg of nanoadditive, able to generate a better quality material, obtaining a compressive strength of 36.5 kg/cm 2, very close to the normative (40 kg/cm 2 ) and superior to the of commercial blocks (14.35 kg/cm 2 ). Regarding the volumetric weights, the plastic had a good performance as it managed to reduce the weight by 20%, while the use of the nanoadditive waterproofing decreased by 25% of water absorption. The block of the current research was twice as expensive as the traditional, even if production is tripled, as it was reduced to only $ 0.06 (8%). However, in comparison with the industrially elaborated procedure, the costs are very similar.

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“…Potential aerosol generating procedures using HBN nanomaterials include use as lubricants for functions including mechanical lubrication and the coating of bullets. [54][55][56] The SNOT colloidal suspensions were either vortexed or sonicated under varying conditions (Figure 1A, Table 2) with intermittent rest periods of 1 minute to create test suspensions. 57 Then suspensions containing SNOT and HBN were sonicated in probe and cup sonicators at various time points and intensities, and the diameter of the resulting colloidal solutions was analyzed with DLS [Figure 1B, Table 3).…”

Section: Optimization Of Sonication Procedures To Disperse Nanomateri...mentioning

confidence: 99%

Developing a Solution for Nasal and Olfactory Transport of Nanomaterials

et al. 2022

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With advances in nanotechnology, engineered nanomaterial applications are a rapidly growing sector of the economy. Some nanomaterials can reach the brain through nose-to-brain transport. This transport creates concern for potential neurotoxicity of insoluble nanomaterials and a need for toxicity screening tests that detect nose-to-brain transport. Such tests can involve intranasal instillation of aqueous suspensions of nanomaterials in dispersion media that limit particle agglomeration. Unfortunately, protein and some elements in existing dispersion media are suboptimal for potential nose-to-brain transport of nanomaterials because olfactory transport has size- and ion-composition requirements. Therefore, we designed a protein-free dispersion media containing phospholipids and amino acids in an isotonic balanced electrolyte solution, a solution for nasal and olfactory transport (SNOT). SNOT disperses hexagonal boron nitride nanomaterials with a peak particle diameter below 100 nm. In addition, multiwalled carbon nanotubes (MWCNTs) in an established dispersion medium, when diluted with SNOT, maintain dispersion with reduced albumin concentration. Using stereomicroscopy and microscopic examination of plastic sections, dextran dyes dispersed in SNOT are demonstrated in the neuroepithelium of the nose and olfactory bulb of B6;129P2- Omptm3Mom /MomJ mice after intranasal instillation in SNOT. These findings support the potential for SNOT to disperse nanomaterials in a manner permitting nose-to-brain transport for neurotoxicity studies.

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Examining the role of hexagonal boron nitride nanoparticles as an additive in the lubricating oil and studying its application

Cited by 13 publications

References 38 publications

Effects of hexagonal boron nitride based nanofluid on the tribological and performance, emission characteristics of a diesel engine: An experimental study

Effects of hexagonal boron nitride based nanofluid on the tribological and performance, emission characteristics of a diesel engine: An experimental study

Determination of Compression Stress and Volumetric Weight of Lightened Concrete Blocks, with the Use of Recycled Polymers and Nanoadditives

Developing a Solution for Nasal and Olfactory Transport of Nanomaterials

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