AI Chat Paper
Note: Please note that the following content is generated by AMiner AI. SciOpen does not take any responsibility related to this content.
{{lang === 'zh_CN' ? '文章概述' : 'Summary'}}
{{lang === 'en_US' ? '中' : 'Eng'}}
Chat more with AI
Powered by AMiner. Clicking this button will take you away from SciOpen.
Home Friction Article
PDF (14.1 MB)
Cite
EndNote(RIS) BibTeX
Collect
Submit Manuscript AI Chat Paper
Show Outline
Outline
Show full outline
Hide outline
Outline
Show full outline
Hide outline
Research Article | Open Access

The rheological and tribological properties of calcium sulfonate complex greases

Zeyun WANG1,2, Yanqiu XIA3( ), Zhilu LIU2
School of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, 750021, China
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
School of Energy Power and Mechanical Engineering, North China Electric Power University, Beijing, 210094, China
Show Author Information

Abstract

In this study, we synthesized two types of calcium sulfonate complex greases (barium soap and calcium soap) and investigated their physical, rheological, and tribological properties in detail. The test results showed that the evolution of their linear viscoelasticity functions with frequency were quite similar to those of traditional lubricating greases. Moreover, these two calcium sulfonate complex greases had good friction-reducing and antiwear properties at room temperature and at 150 °C. In addition, by adding an organic molybdenum compound (MoDTC) to the base greases, we obtained a very low friction coefficient (0.065) for one of the greases (calcium soap) at 400 N and 500 N (maximum Hertzian pressures of 3.47 GPa and 3.74 GPa, respectively) at 150 °C. X-ray photoelectron spectroscopy (XPS) analysis showed that the tribofilm was composed of some complex oxide species and CaCO3 that had formed on the worn surface.

Keywords

calcium sulfonate complex greases; tribological properties; rheology; viscoelasticity

References

[1]
Mas R, Magnin A. Rheology of colloidal suspensions: Case of lubricating greases. J Rheol 38: 889-908(1994)
Crossref Google Scholar
[2]
Delgado M A, Valencia C, Sánchez M C, Franco J M, Gallegos C. Influence of soap concentration and oil viscosity on the rheology and microstructure of lubricating greases. Ind Eng Chem Res 45: 1902-1910(2006)
Crossref Google Scholar
[3]
Yeong S K, Luckham P F, Tadros T F. Steady flow and viscoelastic properties of lubricating grease containing various thickener concentrations. J Colloid Interf Sci 274: 285-293(2004)
Crossref Google Scholar
[4]
Madiedo J M, Franco J M, Valencia C, Gallegos C J. Modeling of the nonlinear rheological behavior of lubricating grease at low shear rates. J Tribol 122: 590-596(2000)
Crossref Google Scholar
[5]
García Morales J A, Franco J M, Valencia C, Sánchez M C, Gallegos C. Influence of processing variables on the rheological properties of lubricating grease manufactured in a stirred tank. J Ind Eng Chem 10:368-378(2004)
Google Scholar
[6]
http://www.srdata.nist.gov/xps/, 2014.
[7]
Sun Y B, Hu LT, Xue Q J. Tribological properties and action mechanism of N, N-dialkyl dithiocarbamate-derived S-hydroxyethyl borate esters as additives in rapeseed oil. Wear 266: 917-924(2009)
Crossref Google Scholar
[8]
Wang Z Y, Xia Y Q, Liu Z L. Study the sensitivity of solid lubricating additives to attapulgite clay base grease. Tribol Lett 42:141-148(2011)
Crossref Google Scholar
[9]
Jia Z F, Xia Y Q, Li J L, Pang X J, Shao X. Friction and wear behavior of diamond-like carbon coating on plasma nitrided mild steel under boundary lubrication. Tribol Int 43: 474-482(2009)
Crossref Google Scholar
Friction
Volume 3 Issue 1,
March 2015
Pages 28-35
DOI: 10.1007/s40544-014-0063-1
Cite this article:
WANG Z, XIA Y, LIU Z. The rheological and tribological properties of calcium sulfonate complex greases. Friction, 2015, 3(1): 28-35. https://doi.org/10.1007/s40544-014-0063-1

706

Views

19

Downloads

24

Crossref

N/A

Web of Science

24

Scopus

1

CSCD

Altmetrics
Received: 20 February 2014
Revised: 28 May 2014
Accepted: 22 August 2014
Published: 04 November 2014
© The author(s) 2014

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.
Return