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Effect of particle characteristics on the two-body abrasive wear behaviour of a pearlitic steel

Narayanaswamy, Balaji, Hodgson, Peter and Beladi, Hossein 2016, Effect of particle characteristics on the two-body abrasive wear behaviour of a pearlitic steel, Wear, vol. 354-355, pp. 41-52, doi: 10.1016/j.wear.2016.03.001.

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Title Effect of particle characteristics on the two-body abrasive wear behaviour of a pearlitic steel
Author(s) Narayanaswamy, Balaji
Hodgson, Peter
Beladi, Hossein
Journal name Wear
Volume number 354-355
Start page 41
End page 52
Total pages 12
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-05-15
ISSN 0043-1648
Summary The specific wear rate and friction coefficient of a pearlitic microstructure subjected to different abrasive environments (i.e. SiC and alumina) were examined. A CSM high temperature pin-on-disc tribometer was used to simulate the two-body abrasive condition (i.e. the metallic surface abrading against the abrasive particles). The characteristics of the abrasive particles (i.e. particle size and density) revealed a significant impact on the amount of material loss. The specific wear rate of the pearlitic microstructure decreased with a reduction in the abrasive particle size, irrespective of the particle type. In addition, distinct particle deterioration mechanisms were observed during the abrasion process, which was largely determined by the abrasive particle size. Attrition, shelling and fracture were some of the dominant particle deterioration mechanisms occurring in both of the abrasive environments. SEM and EDX analysis on the wear debris displayed a unique metallic chip formation with respect to the particle type. Furthermore, the abrading efficiency (i.e. threshold level) of the abrasive particles was identified by means of interrupted abrasive wear tests. The dense packing nature of the alumina abrasive particles resulted in a significantly higher material removal rate than the SiC abrasive environment.
Language eng
DOI 10.1016/j.wear.2016.03.001
Field of Research 0912 Materials Engineering
0913 Mechanical Engineering
091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083214

Document type: Journal Article
Collection: Institute for Frontier Materials
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