Tribological evaluation of environmentally friendly ionic liquids derived from renewable biomaterials

Jiang, Cheng; Liu, Weimin; Nian, Jingyan; Lou, Wenjing

doi:10.1007/s40544-017-0170-x

Cited by 48 publications

(29 citation statements)

References 40 publications

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“…Gong et al [90] and Lhermerout et al [91] discussed the new progress in ionic liquids. Jiang et al [92] reported environmentally friendly ILs ([Ch][AA] ILs) derived from amino acids (AAs) and choline (Ch) synthesized by using biomaterials through a simple, green route. Their results indicated that these ILs exhibit good frictionreducing and anti-wear properties as lubricants for steel/steel contact, which is related to the formation of a physically adsorbed film on the metal surface during friction.…”

Section: Molecular Lubrication 2311 Ionic Liquid Lubricationmentioning

confidence: 99%

A review of recent advances in tribology

et al. 2020

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The reach of tribology has expanded in diverse fields and tribology related research activities have seen immense growth during the last decade. This review takes stock of the recent advances in research pertaining to different aspects of tribology within the last 2 to 3 years. Different aspects of tribology that have been reviewed including lubrication, wear and surface engineering, biotribology, high temperature tribology, and computational tribology. This review attempts to highlight recent research and also presents future outlook pertaining to these aspects. It may however be noted that there are limitations of this review. One of the most important of these is that tribology being a highly multidisciplinary field, the research results are widely spread across various disciplines and there can be omissions because of this. Secondly, the topics dealt with in the field of tribology include only some of the salient topics (such as lubrication, wear, surface engineering, biotribology, high temperature tribology, and computational tribology) but there are many more aspects of tribology that have not been covered in this review. Despite these limitations it is hoped that such a review will bring the most recent salient research in focus and will be beneficial for the growing community of tribology researchers.

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Section: Molecular Lubrication 2311 Ionic Liquid Lubricationmentioning

confidence: 99%

A review of recent advances in tribology

et al. 2020

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“…An increase in the cost of petroleum-based lubricants and environmental law regulations has caused vegetable oils to become increasingly attractive in a wide range of metal-forming applications [ 15 , 16 , 17 ]. Sunflower, coconut, soya bean, peanut, linseed, and rapeseed oils are considered as potential bio lubricants [ 18 ].…”

Section: Introductionmentioning

confidence: 99%

Tribological Performance of Environmentally Friendly Bio-Degradable Lubricants Based on a Combination of Boric Acid and Bio-Based Oils

Trzepieciński

2020

Materials

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Finding effective and environmentally friendly lubrication to use in sheet metal forming operations presents a substantial environmental and economic challenge to the automotive industry. This paper examines the effectiveness of different lubricants in the reduction of the coefficient of friction (COF) in the process of sheet metal forming of the low carbon steel sheets. These lubricants are based on a combination of boric acid (H3BO3) and edible vegetable oils, both of which are natural and environmentally friendly. To evaluate the friction characteristics of the lubricants in a forming operation, a strip drawing friction test is used. This test consisted in drawing a specimen in the form of a sheet metal strip between two non-rotating counter-samples with radii of 200 and 10 mm. The effectiveness of environmentally friendly lubricants in reducing the COF was compared to the traditional petroleum-based lubricants which are used in sheet metal-forming operations. The effect of lubricant conditions and tool surface roughness on the value of COFs is studied. It was found that palm oil in both configurations of countersample radius, both as pure oil and with the addition of 5 wt.% of H3BO3, was the most effective in lowering the coefficient of friction. In most of the conditions analysed, the addition of boric acid into vegetable oils leads to an increase in the lubrication efficiency by up to 15% compared to pure oils. The effectiveness of lubrication by olive and rapeseed oils in decreasing the frictional resistances clearly depends on the nominal pressure applied.

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“…In general, liquid lubricants are mainly divided into two categories-natural and synthetic lubricants. Natural lubricants include some animal fat, vegetable oils, and mineral oils [2]. Synthetic lubricants commonly contain synthetic hydrocarbon, synthetic ester, and perfluoropolyethers (PFPEs), and are widely used in special conditions, such as applications that require high temperature stability, low saturated vapor pressures, excellent extreme pressure, and oxidation stability [3].…”

Section: Introductionmentioning

confidence: 99%

Physicochemical and tribological properties of gemini-type halogen-free dicationic ionic liquids

Zhang

Dong

et al. 2020

Friction

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A series of new halogen-free dicationic ionic liquids (ILs) with different alkyl chain lengths were prepared, and the relationship between the alkyl chain length, physicochemical and tribological properties of ILs, and their role as neat lubricant for steel-steel friction pairs, was investigated. Evaluation of stability during hydrolysis and copper strip corrosion test results show that synthetic ILs are stable and not corrosive to metal contacts, due to the halogen-free anions. The friction and wear test results indicate that ILs with long alkyl chains have excellent friction-reducing and anti-wear properties, especially at high temperatures. Based on the surface three-dimensional (3D) profiles, electrical contact resistance, scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and the X-ray photoelectron spectrometry (XPS) analysis of the worn surfaces of steel discs, we can conclude that the efficiency of ILs is due to the formation of high quality tribofilms that consist of both tribochemical reaction and ordered absorption films.

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Tribological evaluation of environmentally friendly ionic liquids derived from renewable biomaterials

Cited by 48 publications

References 40 publications

A review of recent advances in tribology

A review of recent advances in tribology

Tribological Performance of Environmentally Friendly Bio-Degradable Lubricants Based on a Combination of Boric Acid and Bio-Based Oils

Physicochemical and tribological properties of gemini-type halogen-free dicationic ionic liquids

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