Preparation of water-soluble nanographite and its application in water-based cutting fluid

Chen, Qiang; Wang, Xue; Wang, Zongting; Liu, Yu; You, Tingzheng

doi:10.1186/1556-276x-8-52

Cited by 29 publications

(7 citation statements)

References 17 publications

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“…Water-based lubricants are environmentally friendly, inexpensive, safe, and easy to clean, and possess excellent cooling properties. Consequently, they find application in many fields, including metal cutting, mechanical processing, and as drilling fluids [1][2][3][4]. However, water-based lubricants experience limitations to their wider practical application [5] due to their intrinsic limitations, including insufficient lubricity, poor rust resistance, and short service life.…”

Section: Introductionmentioning

confidence: 99%

Controllable synthesis of different morphologies of CuO nanostructures for tribological evaluation as water-based lubricant additives

et al. 2020

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In this study, water soluble CuO nanostructures having nanobelt, nanorod, or spindle morphologies were synthesized using aqueous solutions of Cu(NO 3) 2 3H 2 O and NaOH by adjusting the type of surface modifier and reaction temperature. The effect of morphologies of these various CuO nanostructures as water-based lubricant additives on tribological properties was evaluated on a UMT-2 micro-friction tester, and the mechanisms underlying these properties are discussed. The three different morphologies of CuO nanostructures exhibited excellent friction-reducing and anti-wear properties. Tribological mechanisms differed in the initial stage of frictional interactions, but in the stable stage, a tribochemical reaction film and adsorbed lubricious film on the rubbing surfaces played important roles in hindering direct contact between friction pairs, leading to improved tribological properties.

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Section: Introductionmentioning

confidence: 99%

Controllable synthesis of different morphologies of CuO nanostructures for tribological evaluation as water-based lubricant additives

et al. 2020

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“…In contrast, GO displayed higher friction-reducing and anti-wear capability than graphene did. The 0.5 wt.% addition of GO in the water offered reduction of friction coefficient by 77.5% and reduction of wear rate by 90% compared with the pure water, which is also larger than the reported values for other nanomaterial water-based additives, e.g., Al 2 O 3 (27% friction and 22% wear reduction with the addition of 1 wt.%) [ 40 ], TiO 2 nanoparticles (50% friction and 27% wear reduction with the addition of 0.8 wt.%) [ 41 ], and nanographite (44% friction and 49% wear reduction with the addition of 1.0 wt.%) [ 42 ]. It can be considered that the superior tribological performances of GO nanofluids results from the intrinsic surface oxygen-containing functionalized groups, such as carbonyl (C=O), hydroxide (C–OH) and carboxyl (COOH).…”

Section: Resultsmentioning

confidence: 85%

Tribological Behaviors of Graphene and Graphene Oxide as Water-Based Lubricant Additives for Magnesium Alloy/Steel Contacts

et al. 2018

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The tribological behaviors of graphene and graphene oxide (GO) as water-based lubricant additives were evaluated by use of a reciprocating ball-on-plate tribometer for magnesium alloy-steel contacts. Three sets of test conditions were examined to investigate the effect of concentration, the capacity of carrying load and the endurance of the lubrication film, respectively. The results showed that the tribological behaviors of water can be improved by adding the appropriate graphene or GO. Compared with pure deionized water, 0.5 wt.% graphene nanofluids can offer reduction of friction coefficient by 21.9% and reduction of wear rate by 13.5%. Meanwhile, 0.5 wt.% GO nanofluids were found to reduce the friction coefficient and wear rate up to 77.5% and 90%, respectively. Besides this, the positive effect of the GO nanofluids was also more pronounced in terms of the load-carrying capacity and the lubrication film endurance. The wear mechanisms have been tentatively proposed according to the observation of the worn surfaces by field emission scanning electron microscope-energy dispersive spectrometer (FESEM-EDS) and Raman spectrum as well as the wettability of the nanofluids on the magnesium alloy surface by goniometer.

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“…In addition, the antirust problem of the processed workpiece must be maintained during long-term placement. A cutting fluid with excellent performance needs to have lubrication, cooling, cleaning, antirust and other effects to solve these problems [11].…”

Section: Mechanism Of Cutting Fluidmentioning

confidence: 99%

Circulating purification of cutting fluid: an overview

Zhou³

et al. 2021

Int J Adv Manuf Technol

181

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Cutting fluid has cooling and lubricating properties and is an important part of the field of metal machining. Owing to harmful additives, base oils with poor biodegradability, defects in processing methods, and unreasonable emissions of waste cutting fluids, cutting fluids have serious pollution problems, which pose challenges to global carbon emissions laws and regulations. However, the current research on cutting fluid and its circulating purification technique lacks systematic review papers to provide scientific technical guidance for actual production. In this study, the key scientific issues in the research achievements of ecofriendly cutting fluid and waste fluid treatment are clarified. First, the preparation and mechanism of organic additives are summarized, and the influence of the physical and chemical properties of vegetable base oils on lubricating properties is analyzed. Then, the process characteristics of cutting fluid reduction supply methods are systematically evaluated. Second, the treatment of oil mist and miscellaneous oil, the removal mechanism and approach of microorganisms, and the design principles of integrated recycling equipment are outlined. The conclusion is concluded that the synergistic effect of organic additives, biodegradable vegetable base oils and recycling purification effectively reduces the environmental pollution of cutting fluids. Finally, in view of the limitations of the cutting fluid and its circulating purification technique, the prospects of amino acid additive development, self-adapting jet parameter supply system, matching mechanism between processing conditions and cutting fluid are put forward, which provides the basis and support for the engineering application and development of cutting fluid and its circulating purification.

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Preparation of water-soluble nanographite and its application in water-based cutting fluid

Cited by 29 publications

References 17 publications

Controllable synthesis of different morphologies of CuO nanostructures for tribological evaluation as water-based lubricant additives

Controllable synthesis of different morphologies of CuO nanostructures for tribological evaluation as water-based lubricant additives

Tribological Behaviors of Graphene and Graphene Oxide as Water-Based Lubricant Additives for Magnesium Alloy/Steel Contacts

Circulating purification of cutting fluid: an overview

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