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Volume 2 Issue 2
Apr.  2020
Article Contents

Wu H, Jia F H, Li Z, Lin F, Huo M S et al. Novel water-based nanolubricant with superior tribological performance in hot steel rolling. Int. J. Extrem. Manuf. 2, 025002 (2020).
Citation: Wu H, Jia F H, Li Z, Lin F, Huo M S et al. Novel water-based nanolubricant with superior tribological performance in hot steel rolling. Int. J. Extrem. Manuf. 2, 025002 (2020).

Novel water-based nanolubricant with superior tribological performance in hot steel rolling


doi: 10.1088/2631-7990/ab82fe
More Information
  • Publish Date: 2020-04-03
  • Novel water-based nanolubricants using TiO2 nanoparticles (NPs) were synthesised by adding sodium dodecyl benzene sulfonate (SDBS) and glycerol, which exhibited excellent dispersion stability and wettability. The tribological performance of the synthesised nanolubricants was investigated using an Rtec ball-on-disk tribometer, and their application in hot steel rolling was evaluated on a 2-high Hille 100 experimental rolling mill, in comparison to those without SDBS. The water-based nanolubricant containing 4 wt% TiO2 and 0.4 wt% SDBS demonstrated superior tribological performance by decreasing coefficient of friction and ball wear up to 70.5% and 84.3%, respectively, compared to those of pure water. In addition to the lubrication effect, the suspensions also had significant effect on polishing of the work roll surface. The resultant surface improvement thus enabled the decrease in rolling force up to 8.3% under a workpiece reduction of 30% at a rolling temperature of 850 °C. The lubrication mechanisms were primarily ascribed to the formation of lubricating film and ball-bearing effect of the TiO2 NPs.

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Novel water-based nanolubricant with superior tribological performance in hot steel rolling

doi: 10.1088/2631-7990/ab82fe
  • 1 School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong NSW 2522, Australia
  • 2 School of Mechanical and Mining Engineering, The University of Queensland, Brisbane QLD 4072, Australia
  • 3 ARC Centre of Excellence for Electromaterials Science (ACES), Intelligent Polymer Research Institute, AIIM Facility, Innovation Campus, University of Wollongong, Wollongong, NSW 2500, Australia
  • 4 Australian National Fabrication Facility—Materials Node, Innovation Campus, University of Wollongong, Wollongong NSW 2500, Australia
  • 5 Baosteel Research Institute (R&D Centre), Baoshan Iron & Steel Co., Ltd., Shanghai 200431, People's Republic of China

Abstract: 

Novel water-based nanolubricants using TiO2 nanoparticles (NPs) were synthesised by adding sodium dodecyl benzene sulfonate (SDBS) and glycerol, which exhibited excellent dispersion stability and wettability. The tribological performance of the synthesised nanolubricants was investigated using an Rtec ball-on-disk tribometer, and their application in hot steel rolling was evaluated on a 2-high Hille 100 experimental rolling mill, in comparison to those without SDBS. The water-based nanolubricant containing 4 wt% TiO2 and 0.4 wt% SDBS demonstrated superior tribological performance by decreasing coefficient of friction and ball wear up to 70.5% and 84.3%, respectively, compared to those of pure water. In addition to the lubrication effect, the suspensions also had significant effect on polishing of the work roll surface. The resultant surface improvement thus enabled the decrease in rolling force up to 8.3% under a workpiece reduction of 30% at a rolling temperature of 850 °C. The lubrication mechanisms were primarily ascribed to the formation of lubricating film and ball-bearing effect of the TiO2 NPs.

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