Friction and wear properties of GLC and DLC coatings under ionic liquid lubrication

Mingming Yan; Xinyu Wang; Songwei Zhang; Shuaituo Zhang; Xudong Sui; Wensheng Li; Junying Hao; Weimin Liu

doi:10.1016/j.triboint.2019.106067

Friction and wear properties of GLC and DLC coatings under ionic liquid lubrication

Mingming Yan, Xinyu Wang, Songwei Zhang, Shuaituo Zhang, Xudong Sui, Wensheng Li, Junying Hao, Weimin Liu

Research output: Contribution to journal › Article › peer-review

71 Scopus citations

Abstract

Cr-doped graphite-like carbon (Cr-GLC) coatings and Cr-doped diamond-like carbon (Cr-DLC) coatings were prepared by PVD and PECVD, respectively. The lubrication behaviour of the solid-liquid composite lubrication systems was investigated using two ionic liquids (ILs) as lubricants. The results show that the friction coefficient was reduced by approximately 40% compared with that under the dry condition, and the composite system exhibited a good synergistic lubrication effect. The Cr-DLC coating showed better tribological behaviour than the Cr-GLC coating, which can be ascribed to a better physicochemical film formation under friction and the compact microstructure of the Cr-DLC coating. The synergistic effect of the composite systems was affected by the viscosity and corrosiveness of the ILs and the microstructure of the coatings.

Original language	English
Article number	106067
Journal	Tribology International
Volume	143
DOIs	https://doi.org/10.1016/j.triboint.2019.106067
State	Published - Mar 2020
Externally published	Yes

Keywords

Cr-DLC
Cr-GLC
Synergistic lubrication
Tribological behaviour

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10.1016/j.triboint.2019.106067

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title = "Friction and wear properties of GLC and DLC coatings under ionic liquid lubrication",

abstract = "Cr-doped graphite-like carbon (Cr-GLC) coatings and Cr-doped diamond-like carbon (Cr-DLC) coatings were prepared by PVD and PECVD, respectively. The lubrication behaviour of the solid-liquid composite lubrication systems was investigated using two ionic liquids (ILs) as lubricants. The results show that the friction coefficient was reduced by approximately 40% compared with that under the dry condition, and the composite system exhibited a good synergistic lubrication effect. The Cr-DLC coating showed better tribological behaviour than the Cr-GLC coating, which can be ascribed to a better physicochemical film formation under friction and the compact microstructure of the Cr-DLC coating. The synergistic effect of the composite systems was affected by the viscosity and corrosiveness of the ILs and the microstructure of the coatings.",

keywords = "Cr-DLC, Cr-GLC, Synergistic lubrication, Tribological behaviour",

author = "Mingming Yan and Xinyu Wang and Songwei Zhang and Shuaituo Zhang and Xudong Sui and Wensheng Li and Junying Hao and Weimin Liu",

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year = "2020",

month = mar,

doi = "10.1016/j.triboint.2019.106067",

language = "英语",

volume = "143",

journal = "Tribology International",

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TY - JOUR

T1 - Friction and wear properties of GLC and DLC coatings under ionic liquid lubrication

AU - Yan, Mingming

AU - Wang, Xinyu

AU - Zhang, Songwei

AU - Zhang, Shuaituo

AU - Sui, Xudong

AU - Li, Wensheng

AU - Hao, Junying

AU - Liu, Weimin

PY - 2020/3

Y1 - 2020/3

N2 - Cr-doped graphite-like carbon (Cr-GLC) coatings and Cr-doped diamond-like carbon (Cr-DLC) coatings were prepared by PVD and PECVD, respectively. The lubrication behaviour of the solid-liquid composite lubrication systems was investigated using two ionic liquids (ILs) as lubricants. The results show that the friction coefficient was reduced by approximately 40% compared with that under the dry condition, and the composite system exhibited a good synergistic lubrication effect. The Cr-DLC coating showed better tribological behaviour than the Cr-GLC coating, which can be ascribed to a better physicochemical film formation under friction and the compact microstructure of the Cr-DLC coating. The synergistic effect of the composite systems was affected by the viscosity and corrosiveness of the ILs and the microstructure of the coatings.

AB - Cr-doped graphite-like carbon (Cr-GLC) coatings and Cr-doped diamond-like carbon (Cr-DLC) coatings were prepared by PVD and PECVD, respectively. The lubrication behaviour of the solid-liquid composite lubrication systems was investigated using two ionic liquids (ILs) as lubricants. The results show that the friction coefficient was reduced by approximately 40% compared with that under the dry condition, and the composite system exhibited a good synergistic lubrication effect. The Cr-DLC coating showed better tribological behaviour than the Cr-GLC coating, which can be ascribed to a better physicochemical film formation under friction and the compact microstructure of the Cr-DLC coating. The synergistic effect of the composite systems was affected by the viscosity and corrosiveness of the ILs and the microstructure of the coatings.

KW - Cr-DLC

KW - Cr-GLC

KW - Synergistic lubrication

KW - Tribological behaviour

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U2 - 10.1016/j.triboint.2019.106067

DO - 10.1016/j.triboint.2019.106067

M3 - 文章

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SN - 0301-679X

VL - 143

JO - Tribology International

JF - Tribology International

M1 - 106067

ER -

Friction and wear properties of GLC and DLC coatings under ionic liquid lubrication

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Keywords

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