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Exploring the frictional characteristics of kelp liquid as an environmentally friendly lubricant

Huiyun Yang (Group of Mechanical and Biomedical Engineering, College of Mechanical and Electronic Engineering, Xi’an Polytechnic University, Xi’an, P. R. China)
Hailin Lu (Group of Mechanical and Biomedical Engineering, College of Mechanical and Electronic Engineering, Xi’an Polytechnic University, Xi’an, P. R. China and Taizhou Medical New&Hi-tech Industrial Development Zone, Taizhou, P. R. China)
Changkai Wang (Group of Mechanical and Biomedical Engineering, College of Mechanical and Electronic Engineering, Xi’an Polytechnic University, Xi’an, P. R. China)
Endong Jia (Group of Mechanical and Biomedical Engineering, College of Mechanical and Electronic Engineering, Xi’an Polytechnic University, Xi’an, P. R. China)
Bowen Xue (Group of Mechanical and Biomedical Engineering, College of Mechanical and Electronic Engineering, Xi’an Polytechnic University, Xi’an, P. R. China)
Guiquan Chai (Group of Mechanical and Biomedical Engineering, College of Mechanical and Electronic Engineering, Xi’an Polytechnic University, Xi’an, P. R. China)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 26 July 2022

Issue publication date: 4 October 2022

93

Abstract

Purpose

Kelp is widely productive and inexpensive. The purpose of this study is to explore kelp liquid (KL) as an environment-friendly water-based lubricant, which is expected to replace some industrial lubricants and protect the environment while satisfying lubricating performance.

Design/methodology/approach

In this experiment, the soaked kelp was broken up by a wall-breaking machine to get the KL by a centrifuge. Elements and crystal structure of KL samples were characterized by X-ray photoelectron spectroscopy, X-ray diffraction and Raman spectra. The friction test is carried out by the relative movement of the polyethylene ball and the aluminum disk on the friction tester.

Findings

Friction experiments showed that 0.1 Wt.% KL has a good lubrication effect, and the average coefficient of friction is 0.063 under the condition of applying a 10 N load and moving at a speed of 2.0 cm/s. KL has good thermal conductivity with excellent cooling effect and high intermolecular force which makes high viscosity for excellent lubricating behavior, at the meantime molecules in solution remain stable which shows an excellent dispersibility.

Originality/value

At present, the research on kelp mainly focuses on its medicinal value and abundant nutritional value, and the research on its lubrication effect is less. Based on this situation, this paper explored the characteristics of KL as an environmentally friendly lubricant, which is expected to be used as a green cutting fluid.

Keywords

Acknowledgements

This work was supported by PhD research startup foundation of Xi'an Polytechnic University (No. 107020516).

Author contributions: Huiyun Yang and Hailin Lu developed the initial concept, wrote the initial paper and provided assistance for data acquisition and data analysis. All authors discussed the results and commented on the manuscript.

Conflict of interest: The authors declare that they have no known competing financial interests or personal relationships that could have influenced the work reported herein.

Citation

Yang, H., Lu, H., Wang, C., Jia, E., Xue, B. and Chai, G. (2022), "Exploring the frictional characteristics of kelp liquid as an environmentally friendly lubricant", Industrial Lubrication and Tribology, Vol. 74 No. 8, pp. 922-931. https://doi.org/10.1108/ILT-04-2022-0145

Publisher

:

Emerald Publishing Limited

Copyright © 2022, Emerald Publishing Limited

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