Tribological Performance of Halogen-Free Ionic Liquids as Lubricants of Hard Coatings and Ceramics

Kondo, Yuriko; Koyama, Takahiro; Tsuboi, Ryo; Nakano, Miki; Miyake, Koji; Sasaki, Shinya

doi:10.1007/s11249-013-0159-1

Cited by 50 publications

(43 citation statements)

References 20 publications

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“…All above commented results show the separate relevance of ionic liquids and carbon nanophases in tribology [26][27][28]. In a very recent review [29], we highlighted the combination of ionic liquids and nanomaterials, from metal and ceramic nanoparticles to some carbon nanophases, with emphasis on carbon nanotubes and graphene materials.…”

Section: Figurementioning

confidence: 95%

Ionanocarbon Lubricants. The Combination of Ionic Liquids and Carbon Nanophases in Tribology

et al. 2017

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The present overview will focus on the tribological applications of what we have called ionanocarbon lubricants, that is, the combination of carbon nanophases (graphene, carbon nanotubes, nanodiamonds, carbon nanodots) and room-temperature ionic liquids in new dispersions, blends, or modified nanostructures and their use in tribology, lubrication, and surface engineering as friction-reducing, antiwear, and surface-protecting agents in thin films and composite materials. Further research lines and factors that limit the practical applications of the outstanding research results are also highlighted. The very recent results in these lines of research make this a necessary brief review.

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Section: Figurementioning

confidence: 95%

Ionanocarbon Lubricants. The Combination of Ionic Liquids and Carbon Nanophases in Tribology

et al. 2017

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“…In the first place, there exists a strong tendency to avoid the presence of halides, so the new so-called halogen-free ILs are attracting a growing attention [62][63][64].…”

Section: Halogen-free Il Lubricantsmentioning

confidence: 99%

Ionic Liquids in Surface Protection

Arias‐Pardilla

Espinosa

Bermúdez

2015

Electrochemistry in Ionic Liquids

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“…To prevent the occurrence of corrosive wear, the use of halogen-free ionic liquids has been proposed. The use of halogen-free ionic liquids will provide lubrication without the risk of corrosion damage but their lubricating effectiveness may be inferior compared to that of the halogen-containing ionic liquids [10][11][12][13][14][15][16][17].…”

Section: Introductionmentioning

confidence: 99%

“…Diamond-like carbon (DLC) films are eco-friendly hard coatings with superior mechanical and tribological properties. DLC coatings are increasingly used for controlling friction and wear in many tribological applications [17][18][19]. In the case of "hydrogen free diamond-like carbon (H-free DLC)", improvement of lubricity was observed by using two kinds of halogen-free ionic liquids (1-butyl-3-methylimidazolium dicyanamide and 1-butyl-3-methylimidazolium tricyanomethane) [17].…”

Section: Introductionmentioning

confidence: 99%

Lubrication Mechanism of Halogen-Free Ionic Liquids

et al. 2017

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Ionic liquids have potential for use as novel high-performance lubricants because of their attractive characteristics such as low volatility, high-thermal stability, and oxidation stability. It is known that ionic liquids exhibit excellent lubricity for metals because of halogen constituents in their molecular structure. However, occurrence of corrosive damage on the contacting surfaces lubricated with the ionic liquids has also been reported. To prevent damage due to corrosion, it is necessary to use halogen-free ionic liquids whose lubricity may be inferior compared with that of halogen-containing ionic liquids. In this study, the lubricity of halogen-free ionic liquids 1-butyl-3-methylimidazolium dicyanamide ([BMIM][DCN]) and 1-butyl-3-methylimidazolium tricyanomethane ([BMIM][TCC]) was evaluated by using a reciprocating sliding friction and wear tester (SRV Optimol)) using an oscillating steel cylinder on H-free DLC disk test configuration under boundary lubrication conditions. The SRV test results showed that H-free DLC with [BMIM][TCC] at 50N exhibited superior lubricity than that with [BMIM][DCN] at the same load. In order to understand the observed, the worn surfaces of test specimens were analyzed by using Raman spectroscopy, the friction coefficient of the film by atomic force microscopy (AFM), and the chemical composition by time of flight secondary ion mass spectrometry (TOF-SIMS

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Tribological Performance of Halogen-Free Ionic Liquids as Lubricants of Hard Coatings and Ceramics

Cited by 50 publications

References 20 publications

Ionanocarbon Lubricants. The Combination of Ionic Liquids and Carbon Nanophases in Tribology

Ionanocarbon Lubricants. The Combination of Ionic Liquids and Carbon Nanophases in Tribology

Ionic Liquids in Surface Protection

Lubrication Mechanism of Halogen-Free Ionic Liquids

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