Wear behaviour of tetrahedral amorphous diamond-like carbon (ta-C DLC) in additive containing lubricants

H. Abdullah Tasdemir; Masaharu Wakayama; Takayuki Tokoroyama; Hiroyuki Kousaka; Noritsugu Umehara; Yutaka Mabuchi; Tsuyoshi Higuchi

doi:10.1016/j.wear.2013.08.011

Wear behaviour of tetrahedral amorphous diamond-like carbon (ta-C DLC) in additive containing lubricants

H. Abdullah Tasdemir^*, Masaharu Wakayama, Takayuki Tokoroyama, Hiroyuki Kousaka, Noritsugu Umehara, Yutaka Mabuchi, Tsuyoshi Higuchi

^*Corresponding author for this work

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

71 Citations (Scopus)

Abstract

Diamond-like carbon (DLC) coatings offer excellent mechanical and tribological properties. They provide ultra-low friction and superior wear resistance. In recent years, the research of DLC coating focuses on the application of these coating in mechanical components which work under boundary lubricated conditions. Since conventional lubricants and lubricant additives were formulated for metal surfaces, the effects of these lubricants on DLC contact and interaction between lubricant additives and DLC surfaces are still unclear. In this work, we present the influence of lubricant additives and counterbody materials on the wear behavior of ta-C DLC coating under boundary lubrication conditions. Tribological tests were performed in a home-build pin-on-disc tribometer. Atomic Force Microscopy (AFM), Field Emission Scanning Electron Microscopy (FESEM), Nano-indenter, X-ray Photoelectron Spectroscopy (XPS), Raman spectroscopy and scanning white light interferometry were used for characterization of ta-C DLC and worn surface analysis. The results show that ta-C DLC were totally wear out in DLC/steel contact tested in base oil. Addition of lubricant additives into the base oil significantly reduced the wear in the DLC/steel contact. ta-C DLC exhibited totally different wear behavior in DLC/steel and DLC/DLC contact depending on lubricant formulation. It is concluded that combination of lubricant formulation and counterbody material is a crucial factor for the use of DLC in lubricated conditions.

Original language	English
Pages (from-to)	1-9
Number of pages	9
Journal	Wear
Volume	307
Issue number	1-2
DOIs	https://doi.org/10.1016/j.wear.2013.08.011
Publication status	Published - 30 Sept 2013
Externally published	Yes

Funding

The authors would like to thank Nissan Motor Company for materials and financial supports of this project. Special thanks also to Dr. Masahiro Kawaguchi (Tokyo Metropolitan Industrial Technology) for his valuable assistance in the XPS and ERDA measurement. The corresponding author would also like to convey thanks to the Turkish Ministry of National Education for providing financial support to his graduate study.

Funders	Funder number
Turkish Ministry of National Education

Keywords

Boundary lubrication
GMO
Ta-C DLC
Wear
ZnDTP

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10.1016/j.wear.2013.08.011

Cite this

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title = "Wear behaviour of tetrahedral amorphous diamond-like carbon (ta-C DLC) in additive containing lubricants",

abstract = "Diamond-like carbon (DLC) coatings offer excellent mechanical and tribological properties. They provide ultra-low friction and superior wear resistance. In recent years, the research of DLC coating focuses on the application of these coating in mechanical components which work under boundary lubricated conditions. Since conventional lubricants and lubricant additives were formulated for metal surfaces, the effects of these lubricants on DLC contact and interaction between lubricant additives and DLC surfaces are still unclear. In this work, we present the influence of lubricant additives and counterbody materials on the wear behavior of ta-C DLC coating under boundary lubrication conditions. Tribological tests were performed in a home-build pin-on-disc tribometer. Atomic Force Microscopy (AFM), Field Emission Scanning Electron Microscopy (FESEM), Nano-indenter, X-ray Photoelectron Spectroscopy (XPS), Raman spectroscopy and scanning white light interferometry were used for characterization of ta-C DLC and worn surface analysis. The results show that ta-C DLC were totally wear out in DLC/steel contact tested in base oil. Addition of lubricant additives into the base oil significantly reduced the wear in the DLC/steel contact. ta-C DLC exhibited totally different wear behavior in DLC/steel and DLC/DLC contact depending on lubricant formulation. It is concluded that combination of lubricant formulation and counterbody material is a crucial factor for the use of DLC in lubricated conditions.",

keywords = "Boundary lubrication, GMO, Ta-C DLC, Wear, ZnDTP",

author = "{Abdullah Tasdemir}, H. and Masaharu Wakayama and Takayuki Tokoroyama and Hiroyuki Kousaka and Noritsugu Umehara and Yutaka Mabuchi and Tsuyoshi Higuchi",

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AU - Abdullah Tasdemir, H.

AU - Wakayama, Masaharu

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AU - Kousaka, Hiroyuki

AU - Umehara, Noritsugu

AU - Mabuchi, Yutaka

AU - Higuchi, Tsuyoshi

PY - 2013/9/30

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N2 - Diamond-like carbon (DLC) coatings offer excellent mechanical and tribological properties. They provide ultra-low friction and superior wear resistance. In recent years, the research of DLC coating focuses on the application of these coating in mechanical components which work under boundary lubricated conditions. Since conventional lubricants and lubricant additives were formulated for metal surfaces, the effects of these lubricants on DLC contact and interaction between lubricant additives and DLC surfaces are still unclear. In this work, we present the influence of lubricant additives and counterbody materials on the wear behavior of ta-C DLC coating under boundary lubrication conditions. Tribological tests were performed in a home-build pin-on-disc tribometer. Atomic Force Microscopy (AFM), Field Emission Scanning Electron Microscopy (FESEM), Nano-indenter, X-ray Photoelectron Spectroscopy (XPS), Raman spectroscopy and scanning white light interferometry were used for characterization of ta-C DLC and worn surface analysis. The results show that ta-C DLC were totally wear out in DLC/steel contact tested in base oil. Addition of lubricant additives into the base oil significantly reduced the wear in the DLC/steel contact. ta-C DLC exhibited totally different wear behavior in DLC/steel and DLC/DLC contact depending on lubricant formulation. It is concluded that combination of lubricant formulation and counterbody material is a crucial factor for the use of DLC in lubricated conditions.

AB - Diamond-like carbon (DLC) coatings offer excellent mechanical and tribological properties. They provide ultra-low friction and superior wear resistance. In recent years, the research of DLC coating focuses on the application of these coating in mechanical components which work under boundary lubricated conditions. Since conventional lubricants and lubricant additives were formulated for metal surfaces, the effects of these lubricants on DLC contact and interaction between lubricant additives and DLC surfaces are still unclear. In this work, we present the influence of lubricant additives and counterbody materials on the wear behavior of ta-C DLC coating under boundary lubrication conditions. Tribological tests were performed in a home-build pin-on-disc tribometer. Atomic Force Microscopy (AFM), Field Emission Scanning Electron Microscopy (FESEM), Nano-indenter, X-ray Photoelectron Spectroscopy (XPS), Raman spectroscopy and scanning white light interferometry were used for characterization of ta-C DLC and worn surface analysis. The results show that ta-C DLC were totally wear out in DLC/steel contact tested in base oil. Addition of lubricant additives into the base oil significantly reduced the wear in the DLC/steel contact. ta-C DLC exhibited totally different wear behavior in DLC/steel and DLC/DLC contact depending on lubricant formulation. It is concluded that combination of lubricant formulation and counterbody material is a crucial factor for the use of DLC in lubricated conditions.

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Wear behaviour of tetrahedral amorphous diamond-like carbon (ta-C DLC) in additive containing lubricants

Abstract

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Keywords

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