Third Body Effects on Graphite/XC48 Steel Magnetized Sliding Contact

[+] Author and Article Information
Mohamed El Mansori, Marjorie Schmitt, Daniel Paulmier

Laboratory of Physics and Mechanics of Materials (LPMM-CNRS-UMR no. 7554), ERMES Group, 2, Avenue de la Forêt de Haye, 54516 Vandoeuvre, France

J. Tribol 121(2), 403-407 (Apr 01, 1999) (5 pages) doi:10.1115/1.2833953 History: Received January 19, 1998; Revised May 08, 1998; Online January 24, 2008


This paper completes previous studies concerning the mechanisms governing friction and wear of a steel/graphite couple under an external applied magnetic field. Friction tests were performed in a controlled chamber with a magnetised steel pin sliding against a graphite disk exposed to oxygen, argon, and vacuum environments. Wear debris and friction tracks generated by reactions with the gases after sliding, with and without magnetic field, were identified ex situ by scanning electron microscopy and energy-dispersive X-ray analysis. It shows that the magnetic field modifies the third body behavior which depends on the gases surrounding the contact; this governs the friction state, the type of graphite wear (fatigue or abrasive wear), and the surface reactivity.

Copyright © 1999 by The American Society of Mechanical Engineers
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