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Tribofilms Forming in Oil-Lubricated Contacts

Fraunhofer Institute for Mechanics of Materials IWM, MikroTribologie Centrum, Joseph-von-Fraunhofer Str. 7, 76327 Pfinztal, Germany
Author to whom correspondence should be addressed.
Current address: Department for Corrosion and Tribology SINTEF Materials and Chemistry, Richard Birkelandsvei 2B, PO box 4760 Sluppen, N-7465 Trondheim, Norway
Academic Editors: Werner Oesterle and Ga Zhang
Lubricants 2016, 4(3), 27;
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)
PDF [2643 KB, uploaded 14 July 2016]


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

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