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Tribofilms Forming in Oil-Lubricated Contacts

 
: Scherge, M.; Brink, A.; Linsler, D.

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Lubricants 4 (2016), No.27, 9 pp.
ISSN: 2075-4442
English
Journal Article, Electronic Publication
Fraunhofer IWM ()

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.

: http://publica.fraunhofer.de/documents/N-442520.html