Investigation on tribological performance of Ionic liquid filled microcapsules as additives under water-based drilling mud conditions

Ji, Min; Liu, Shuhai; Xiao, Huaping; Li, Haoyang

doi:10.1016/j.triboint.2023.108439

Cited by 12 publications

(2 citation statements)

References 44 publications

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“…However, water-based lubricants also have disadvantages, such as poor lubricating ability and extreme pressure and resistance wearability. Thus, it is especially critical to explore excellent water-based lubrication additives. − …”

Section: Introductionmentioning

confidence: 99%

Black Phosphorus Quantum Dots with a Core–Shell Nanostructure as a Water-Based Lubrication Additive

Dong

Wang

Gao

et al. 2023

ACS Appl. Nano Mater.

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The unique tribological characteristics of black phosphorus quantum dots (BPQDs) have recently attracted much attention. However, the long-term stable lubrication of BPQDs and prevention of degradation in ultrapure water remain huge challenges. Herein, BPQDs@silica (BPQDs@SiO2) core–shell materials were designed and synthesized. The BPQDs are uniformly distributed in the SiO2 shell. The as-prepared BPQDs@SiO2 as the water-based lubrication additive has remarkable lubricity, wettability, and stability. In particular, compared with the average coefficient of friction (COF) and wear rate of ultrapure water, those of BPQDs@SiO2, being a water-based lubrication additive, could be reduced by 45.7 and 83.0% at 10 N and 150 r/min, respectively. The lubrication mechanisms of BPQDs@SiO2 as a water-based lubrication additive were proposed based on the friction test and wear surface analysis. The excellent lubricity performances of BPQDs@SiO2 are owed to the polishing of the SiO2 shell, the extreme pressure property of the BPQD core, and the tribo-chemical reaction film. This investigation established a simple, convenient, and feasible method for using the BPQDs@SiO2 materials as a water-based lubrication additive. It is expected that BPQDs with a core-shell nanostructure will open up new ideas for the development of excellent lubricating nanomaterials.

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Section: Introductionmentioning

confidence: 99%

Black Phosphorus Quantum Dots with a Core–Shell Nanostructure as a Water-Based Lubrication Additive

Dong

Wang

Gao

et al. 2023

ACS Appl. Nano Mater.

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“…Since the initial report published in 2001 [1], ionic liquid (IL) lubricants have become an important research object in the field of tribology and high-performance lubricating material due to their extremely negligible volatility, thermal stability and chemical stability [2][3][4][5][6][7][8]. According to previous research, it has been supposed that ILs can protect the substrate surface through the formation of boundary lubrication film [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Graphene Enhances the Loading Capacity and Lubrication Performance of Ionic Liquids: A Molecular Dynamics Study

et al. 2023

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Ionic liquid (IL) combined with graphene additives have garnered extensive attention in the field of high-performance lubricating materials. However, the ambiguous mechanism of graphene influencing the load-carrying and anti-wear capacity of ILs needs further study. In this work, friction simulation shows that adding graphene causes friction coefficient to reduce by up to 88% compared with pure ILs, but lubrication performance is lost due to the destruction of graphene under high stress. Meanwhile, multilayer graphene has better friction-reducing performance and friction durability as compared to the monolayer structure, which is attributed to the easy-shear property and the reduction in the percentage of high tensile stress sites in multilayer graphene structure. In addition, it was found that excessively thick ILs film would form a three-body abrasive wear structure with graphene, which accelerated the structural destruction of graphene and caused a decline in its tribological properties. It is believed these findings can be valuable for designing of high-performance lubricating oil for practical engineering.

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Optimum formulation design and properties of drilling fluids incorporated with green uncoated and polymer-coated magnetite nanoparticles

Faisal,

Kamal,

Salih

et al. 2024

Arabian Journal of Chemistry

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Investigation on tribological performance of Ionic liquid filled microcapsules as additives under water-based drilling mud conditions

Cited by 12 publications

References 44 publications

Black Phosphorus Quantum Dots with a Core–Shell Nanostructure as a Water-Based Lubrication Additive

Black Phosphorus Quantum Dots with a Core–Shell Nanostructure as a Water-Based Lubrication Additive

Graphene Enhances the Loading Capacity and Lubrication Performance of Ionic Liquids: A Molecular Dynamics Study

Optimum formulation design and properties of drilling fluids incorporated with green uncoated and polymer-coated magnetite nanoparticles

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