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Research Papers: Friction & Wear

Wear Mechanism of Al2O3/WS2 With PEEK/BG Plastic

[+] Author and Article Information
J. Korzekwa

Assistant Professor
e-mail: joanna.korzekwa@us.edu.pl

W. Skoneczny

Professor
e-mail: wladyslaw.skoneczny@us.edu.pl
Faculty of Computer and Materials Science,
University of Silesia,
Sosnowiec 41–200, Poland

G. Dercz

Assistant Professor
Institute of Materials Science,
University of Silesia,
Chorzow 41–500, Poland
e-mail: grzegorz.dercz@us.edu.pl

M. Bara

Assistant Professor
Faculty of Computer and Materials Science,
University of Silesia,
Sosnowiec 41–200, Poland
e-mail: marek.bara@us.edu.pl

1Corresponding author.

Contributed by the Tribology Division of ASME for publication in the Journal of Tribology. Manuscript received March 12, 2013; final manuscript received July 1, 2013; published online August 6, 2013. Assoc. Editor: Dae-Eun Kim.

J. Tribol 136(1), 011601 (Aug 06, 2013) (7 pages) Paper No: TRIB-13-1060; doi: 10.1115/1.4024938 History: Received March 12, 2013; Revised July 01, 2013

In the present paper, a model of wear mechanism of Al2O3/WS2 with polyether ether ketone (PEEK)/BG plastic has been presented. An amorphous Al2O3 oxide layer with a tungsten disulfide modifier has been characterized by the Scanning Electron Microscope equipped with an Energy Dispensive Spectrometer (SEM/EDS) and XRD analysis. The addition of WS2 to the acid bath reduces the friction coefficient of the Al2O3/WS2-PEEK/BG friction pair. The technology applied to receive the Al2O3/WS2 layer, with appropriately selected conditions, allows us to obtain a tribological layer that enables the delivery of WS2 solid lubricant during friction.

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References

Figures

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Fig. 1

SEM image of 2H–WS2 powder

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Fig. 2

The scheme of tribological test stand—T17 tester

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Fig. 3

Scheme of the measuring arrangement for thin film studies by grazing incidence X-ray diffraction

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Fig. 4

SEM image of cross section of Al2O3 nanofibers

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Fig. 5

SEM image of cross section of Al2O3/WS2: (a) D sample, (b) B sample, (c) XRD spectra of Al2O3/WS2 layer—B sample

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Fig. 6

(a) SEM image of 2H–WS2 microparticles on the Al2O3 surface layer and (b) EDS from the region indicated in (c) SEM image of 2H-WS2 particle protruding from the Al2O3 surface layer

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Fig. 7

Picture of tribological pairs: Al2O3/WS2 layer on the substrate of aluminum alloy—pin of PEEK/BG plastic before and after tribological cooperation

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Fig. 8

SEM image Al2O3/WS2 layer before and after tribological test

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Fig. 9

Values of PEEK/BG wear intensity and the friction coefficient of tribological pairs for the first series of samples

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Fig. 10

Value of PEEK/BG wear intensity and the friction coefficient of tribological pairs for the second series of samples

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Fig. 11

Value of PEEK/BG wear intensity and the friction coefficient of tribological pairs for the third series of samples

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Fig. 12

The hypothetical scheme of mechanism of cooperation of the Al2O3/WS2-PEEK/BG tribological pair

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