Journal
TRIBOLOGY INTERNATIONAL
Volume 81, Issue -, Pages 258-266Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2014.09.003
Keywords
Fretting; Steel; Hardness; Debris
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The influence of specimen hardness (between 275 kgf mm(-2) and 835 kgf mm(-2)) in an AISI Type 01 steel-on-steel fretting contact was examined. In equal-hardness pairs, a variation in the wear volume of around 20% across the range of hardnesses examined was observed. However, in pairs where the two specimens in the couple had different hardnesses, a critical hardness differential threshold existed, above which the wear was predominantly associated with the harder specimen (with debris embedment on the softer specimen surface). This retention of debris provides protection of that surface from further wear and also results in accelerated wear of the harder counterface due to abrasion by the oxide debris bed which has built up on the opposing specimen. (C) 2014 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/).
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