Journal
TRIBOLOGY INTERNATIONAL
Volume 101, Issue -, Pages 141-151Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2015.11.012
Keywords
Bulk metallic glass; Wear mechanism; Sliding velocity; Transfer layer
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This paper provides an in-depth investigation into the effects of sliding velocity on the transition of wear mechanism in (Zr,Cu)(95)Al-5 bulk metallic glass (BMG). With the increase of sliding velocity, the wear rate decreased at first, and then rapidly increased. The compacted transfer layer was formed on the counterfaces at higher speeds. It confirmed that the BMG underwent the transition of wear mechanism from oxidative wear to delamination wear. Besides, the appearance of tribo-layer including fragmentized area at the interface of tribo-layer and matrix may be a critical point for the transition of wear mechanism. (C) 2015 Elsevier Ltd. All rights reserved.
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