Journal
TRIBOLOGY INTERNATIONAL
Volume 44, Issue 11, Pages 1565-1570Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2010.10.011
Keywords
Fretting wear; Rotational fretting; Bonded MoS2 solid lubricant coating; Medium carbon steel
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The rotational fretting wear behaviors of the bonded MoS2 solid lubricant coating and its substrate steel were comparatively studied under varied angular displacement amplitudes, constant normal load, and rotational speed. Dynamic analysis in combination with microscopic examinations was performed through SEM, EDX, XPS, optical microscope, and surface profilometer. The experimental results showed MoS2 changed the fretting running regimes of substrate. The friction coefficients of MoS2 were lower than those of the substrate. For MoS2, the damage in partial slip regime was very slight. The damage mechanism of the coating in slip regime was main abrasive wear, delamination, and tribo-oxidation. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
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