Intercalation compound of polyoxymethylene into molybdenum disulfide nanoparticles (POM/MoS2-IC) were prepared from trioxane, dioxolane and restacked exfoliated-MoS2. The so prepared nanocomposite was used as the plastic layer of self-lubrication bearing materials of steel-copper-POM. Pure POM was also selected as a comparative sample. Tribological behaviors of the obtained samples were studied on an end-face tribometer. Wear scar surfaces of the two plastic layers were characterized by a field emission scanning electron microscope. The elements of the counterpart steel surface were investigated by X-ray photoelectron spectroscopy. Results showed the wear surface of steel-copper-pure polyoxymethylene consisted of deep furrows, large-area scars and obvious flow marks. However, self-lubrication bearing materials of steel-copper-polyoxymethylene containing MoS2-IC nanoparticles presented excellent friction reduction and wear resistance especially under high loads. POM/MoS2-IC nanoparticles and its tribochemical resultants restrained the plowing effect of the counterpart steel on the plastic layer through forming a transferred film on the counterpart friction surface.
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ASME/STLE 2007 International Joint Tribology Conference
October 22–24, 2007
San Diego, California, USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4810-8
PROCEEDINGS PAPER
Tribological Behavior of Self-Lubrication Bearing Materials of Steel-Copper-Polyoxymethylene Containing MoS2-IC Nanoparticles
K. H. Hu,
K. H. Hu
Hefei University of Technology, Hefei, China
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J. Wang,
J. Wang
Hefei University of Technology, Hefei, China
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S. Schraube,
S. Schraube
Hochschule Darmstadt, University of Applied Sciences, Darmstadt, Germany
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Y. F. Xu,
Y. F. Xu
Hefei University of Technology, Hefei, China
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X. G. Hu,
X. G. Hu
Hefei University of Technology, Hefei, China
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R. Stengler
R. Stengler
Hochschule Darmstadt, University of Applied Sciences, Darmstadt, Germany
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K. H. Hu
Hefei University of Technology, Hefei, China
J. Wang
Hefei University of Technology, Hefei, China
S. Schraube
Hochschule Darmstadt, University of Applied Sciences, Darmstadt, Germany
Y. F. Xu
Hefei University of Technology, Hefei, China
X. G. Hu
Hefei University of Technology, Hefei, China
R. Stengler
Hochschule Darmstadt, University of Applied Sciences, Darmstadt, Germany
Paper No:
IJTC2007-44132, pp. 787-789; 3 pages
Published Online:
March 23, 2009
Citation
Hu, KH, Wang, J, Schraube, S, Xu, YF, Hu, XG, & Stengler, R. "Tribological Behavior of Self-Lubrication Bearing Materials of Steel-Copper-Polyoxymethylene Containing MoS2-IC Nanoparticles." Proceedings of the ASME/STLE 2007 International Joint Tribology Conference. ASME/STLE 2007 International Joint Tribology Conference, Parts A and B. San Diego, California, USA. October 22–24, 2007. pp. 787-789. ASME. https://doi.org/10.1115/IJTC2007-44132
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