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Friction 2015, 3(3): 208-213 https://doi.org/10.1007/s40544-015-0081-7
Research Article | Open Access | Issue | Published: 27 June 2015

Leaf-surface wax of desert plants as a potential lubricant additive

Show Author's Information Yanqiu XIA1( ),  Xiaochun XU1,  Xin FENG1,  Guoxiong CHEN2( )
School of Energy Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
Key Laboratory of Stress Physiology and Ecology in Cold and Arid Regions, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China
Keywords:
lubricant additive, friction and wear, leaf-surface wax, Ammopiptanthus mongolicus
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XIA Y, XU X, FENG X, et al. Leaf-surface wax of desert plants as a potential lubricant additive. Friction, 2015, 3(3): 208-213. https://doi.org/10.1007/s40544-015-0081-7
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Abstract Full text About this article

Using an MFT-R4000 tester at room temperature, the leaf-surface wax of two desert plants, Ammopiptanthus mongolicus (AM) and Reaumuria soongorica (RS), was extracted and evaluated for its potential as a lubricant additive in polyalphaolefin (PAO) for steel–steel contact. Gas chromatography–mass spectrometry analysis was performed to identify the composition of the AM leaf-surface wax, and scanning electron microscopy and X-ray photoelectron spectroscopy were used to investigate its friction mechanisms. The results suggest that the leaf-surface wax could successfully reduce the friction and wear of steel–steel sliding pairs compared with PAO containing molybdenum dithiocarbamate additives. AM, in particular, showed high-performance wear resistance and friction-reducing properties. Its excellent tribological properties were attributed to the wax composition of leaf-surface fatty acids, alcohol, and esters.


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About this article

Leaf-surface wax of desert plants as a potential lubricant additive

Show Author's information Yanqiu XIA1( ), Xiaochun XU1, Xin FENG1, Guoxiong CHEN2( )
School of Energy Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
Key Laboratory of Stress Physiology and Ecology in Cold and Arid Regions, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China

Abstract

Using an MFT-R4000 tester at room temperature, the leaf-surface wax of two desert plants, Ammopiptanthus mongolicus (AM) and Reaumuria soongorica (RS), was extracted and evaluated for its potential as a lubricant additive in polyalphaolefin (PAO) for steel–steel contact. Gas chromatography–mass spectrometry analysis was performed to identify the composition of the AM leaf-surface wax, and scanning electron microscopy and X-ray photoelectron spectroscopy were used to investigate its friction mechanisms. The results suggest that the leaf-surface wax could successfully reduce the friction and wear of steel–steel sliding pairs compared with PAO containing molybdenum dithiocarbamate additives. AM, in particular, showed high-performance wear resistance and friction-reducing properties. Its excellent tribological properties were attributed to the wax composition of leaf-surface fatty acids, alcohol, and esters.

Keywords: lubricant additive, friction and wear, leaf-surface wax, Ammopiptanthus mongolicus

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Publication history
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Publication history

Received: 09 February 2015
Revised: 03 December 2015
Accepted: 17 December 2015
Published: 27 June 2015
Issue date: June 2021

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© The author(s) 2015

Acknowledgements

The authors would like to thank the financial support for this work from the National Natural Science Foundation of China (No. 51575181).

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This article is published with open access at Springerlink.com

Open Access: This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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