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Lubricants 2016, 4(3), 27; doi:10.3390/lubricants4030027

Tribofilms Forming in Oil-Lubricated Contacts

Fraunhofer Institute for Mechanics of Materials IWM, MikroTribologie Centrum, Joseph-von-Fraunhofer Str. 7, 76327 Pfinztal, Germany
Current address: Department for Corrosion and Tribology SINTEF Materials and Chemistry, Richard Birkelandsvei 2B, PO box 4760 Sluppen, N-7465 Trondheim, Norway
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Author to whom correspondence should be addressed.
Academic Editors: Werner Oesterle and Ga Zhang
Received: 7 May 2016 / Revised: 28 June 2016 / Accepted: 7 July 2016 / Published: 14 July 2016
(This article belongs to the Special Issue Tribofilms and Solid Lubrication)
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Abstract

The subject of the present paper is the characterization of third bodies of run-in systems. By means of continuous friction and wear measurement, lubricated steel-steel and steel-aluminum contacts were evaluated. Microstructure, chemical composition and response of the materials to shear were analyzed by XPS/AES and focused ion beam technique. After a proper running-in, both systems developed a third body. The third body differs significantly from the base materials. In addition to adapted microstructure and near-surface chemistry, the third body exhibited a substructure characterized by a near-surface zone that accommodates shear and a second, deeper region that ensures strengthening. View Full-Text
Keywords: running-in; lubricated sliding; subsurface plastic deformation; marker technique; ultra-low wear; tribofilms running-in; lubricated sliding; subsurface plastic deformation; marker technique; ultra-low wear; tribofilms
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Scherge, M.; Brink, A.; Linsler, D. Tribofilms Forming in Oil-Lubricated Contacts. Lubricants 2016, 4, 27.

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