Tribochemistry of mono molecular additive films on metal surfaces, investigated by XPS and HFRR

R. Kolm, I. C. Gebeshuber, E. Kenesey, A. Ecker, A. Pauschitz, W. S M Werner, H. Störi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In order to see how oxygen and nitrogen containing substances influence the wear relating behaviour of diesel fuels various hydroxychinolines were investigated by means of a high frequency reciprocating rig (HFRR) tribometer. Attention was especially given to the connection between the position of the hydroxyl group at the molecule and the resulting influence on the "lubricity" properties of low sulfur diesel fuel. Monomolecular lubricant films were deposited from the liquid phase onto ultra thin copper films sputtered onto silicon wafers. This substrate serves as a model system for bronze materials. In order to compare the results of X-ray photoelectron spectroscopy (also called electron spectroscopy for chemical analysis, ESCA) measurements with tribological experiments performed with the high frequency reciprocating rig method additional substrates made of 100Cr6 steel were used. X-ray photoelectron spectroscopy investigations were performed using a VG ESCALAB Mk III equipped with a special preparation chamber, permitting the transfer of samples from a fluid cell to the analysis chamber under Helium protective gas. The structure of the molecular film is elucidated using angular resolved X-ray photoelectron spectroscopy. Preliminary X-ray photoelectron spectroscopy investigations of ultra thin layers of 8-Hydioxychinoline on copper samples were performed. Angular resolved measurements demonstrated that, without tribological stress, full coverage of the surface with 8-hydroxyquinoline is not possible. Those results however still need corroboration by atomic force microscopy investigations.

Original languageEnglish
Pages (from-to)269-282
Number of pages14
JournalTribology and Interface Engineering Series
Volume48
Publication statusPublished - 2005
Externally publishedYes

Fingerprint

metal surfaces
X ray photoelectron spectroscopy
Metals
photoelectron spectroscopy
diesel fuels
Diesel fuels
Copper
x rays
chambers
Oxyquinoline
copper
Helium
tribometers
Electron spectroscopy
Steel
Bronze
bronzes
Substrates
lubricants
Angle measurement

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Kolm, R., Gebeshuber, I. C., Kenesey, E., Ecker, A., Pauschitz, A., Werner, W. S. M., & Störi, H. (2005). Tribochemistry of mono molecular additive films on metal surfaces, investigated by XPS and HFRR. Tribology and Interface Engineering Series, 48, 269-282.

Tribochemistry of mono molecular additive films on metal surfaces, investigated by XPS and HFRR. / Kolm, R.; Gebeshuber, I. C.; Kenesey, E.; Ecker, A.; Pauschitz, A.; Werner, W. S M; Störi, H.

In: Tribology and Interface Engineering Series, Vol. 48, 2005, p. 269-282.

Research output: Contribution to journalArticle

Kolm, R, Gebeshuber, IC, Kenesey, E, Ecker, A, Pauschitz, A, Werner, WSM & Störi, H 2005, 'Tribochemistry of mono molecular additive films on metal surfaces, investigated by XPS and HFRR', Tribology and Interface Engineering Series, vol. 48, pp. 269-282.
Kolm R, Gebeshuber IC, Kenesey E, Ecker A, Pauschitz A, Werner WSM et al. Tribochemistry of mono molecular additive films on metal surfaces, investigated by XPS and HFRR. Tribology and Interface Engineering Series. 2005;48:269-282.
Kolm, R. ; Gebeshuber, I. C. ; Kenesey, E. ; Ecker, A. ; Pauschitz, A. ; Werner, W. S M ; Störi, H. / Tribochemistry of mono molecular additive films on metal surfaces, investigated by XPS and HFRR. In: Tribology and Interface Engineering Series. 2005 ; Vol. 48. pp. 269-282.
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