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Tribological properties of graphene oxide sheets as water-based lubricant additive

Gangqiang Zhang (School of Chemistry and Chemical Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai, China and Laboratory for Surface Technology and Tribology, University of Twente, Enschede, The Netherlands)
Xiangqiong Zeng (Advanced Lubricating Materials Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, China and Laboratory for Surface Technology and Tribology, University of Twente, Enschede, The Netherlands)
Tianhui Ren (School of Chemistry and Chemical Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai, China)
Emile van der Heide (Laboratory for Surface Technology and Tribology, University of Twente, Enschede, The Netherlands and Faculty of Civil Engineering and Geosciences, Delft University of Technology, Delft, The Netherlands and Soete Laboratory, Ghent University, Zwijnaarde, Belgium)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 4 July 2018

Issue publication date: 17 August 2018

174

Abstract

Purpose

The purpose of this paper is to investigate the tribological performance of graphene oxide (GO) sheets as water-based lubricant additive when ultra-high molecular weight polyethylene (UHMWPE) plates slid against 316L stainless steel ball using a reciprocating tribometre.

Design/methodology/approach

The factors influencing the tribological performance were considered, including the viscosity of the GO dispersion, normal load, sliding velocity and the roughness of UHMWPE. The surface microstructure and properties of UHMWPE were studied by means of scanning electron microscopy, laser confocal microscopy, Raman spectroscopy and contact angle measurements.

Findings

The results revealed that the GO dispersion reduced friction and sliding-wear. The surface images of the wear UHMWPE plates indicated that GO sheets were prone to adsorption on the surface and form a thin physical tribofilms at the substrate.

Originality/value

Based on the experimental findings for the evolution of the microstructure morphology and the development of subsurface cracks, less debris and cracking can be observed in the UHMWPE plates lubricated by GO dispersion.

Keywords

Acknowledgements

The authors are grateful to Marie Curie CIG (Grant no. PCIG10-GA-2011-303922), the Shanghai Natural Science Foundation (Grant no. 17ZR1442100), the Shanghai Municipal “Science and Technology Innovation Action Plan” International Cooperation Project (No. 15540723600) for the financial support.

Citation

Zhang, G., Zeng, X., Ren, T. and Heide, E.v.d. (2018), "Tribological properties of graphene oxide sheets as water-based lubricant additive", Industrial Lubrication and Tribology, Vol. 70 No. 6, pp. 1025-1036. https://doi.org/10.1108/ILT-03-2017-0074

Publisher

:

Emerald Publishing Limited

Copyright © 2018, Emerald Publishing Limited

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