Comparisons of the two-body abrasive wear behaviour of four different ferrous microstructures with similar hardness levels

Narayanaswamy, Balaji, Hodgson, Peter and Beladi, Hossein 2016, Comparisons of the two-body abrasive wear behaviour of four different ferrous microstructures with similar hardness levels, Wear, vol. 350-351, pp. 155-165, doi: 10.1016/j.wear.2016.01.013.

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Title Comparisons of the two-body abrasive wear behaviour of four different ferrous microstructures with similar hardness levels
Author(s) Narayanaswamy, Balaji
Hodgson, Peter
Beladi, HosseinORCID iD for Beladi, Hossein
Journal name Wear
Volume number 350-351
Start page 155
End page 165
Total pages 11
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2016-03-15
ISSN 0043-1648
Keyword(s) Microstructures
Abrasion resistance
Surface profile
Friction curve
Science & Technology
Engineering, Mechanical
Materials Science, Multidisciplinary
Materials Science
Summary The abrasive wear resistance of four distinct metallurgical steel microstructures - bainite, pearlite, martensite and tempered martensite, with similar hardness levels was investigated. A pin-on-disc tribometer was used to simulate the two-body abrasive condition (i.e. the metallic surface abrading against the silicon carbide abrasive particles) and evaluate the specific wear rate of the microstructures. Each microstructure had a unique response towards the abrasion behaviour and this was largely evident in the friction curve. However, the multi-phase microstructures (i.e. bainite and pearlite) demonstrated better abrasion resistance than the single-phase microstructures (i.e. martensite and tempered martensite). Abrasion induced microstructural changes at the deformed surfaces were studied using sub-surface and topographical techniques. The properties of these layers (i.e. surface profile measurements) determined the amount of material loss for each microstructure. These were directly linked to the single-wear track analysis that highlighted a marked difference in their mode of material removal. Ploughing and wedge formation modes were dominant in the case of bainite and pearlite microstructures, whereas the cutting mode could be attributed to the higher material loss in the single-phase microstructures. The combination of brittle and ductile phases in the multi-phase microstructure matrix could be one of the driving factors for their superior abrasion resistance.
Language eng
DOI 10.1016/j.wear.2016.01.013
Field of Research 091207 Metals and Alloy Materials
0912 Materials Engineering
0913 Mechanical Engineering
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
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Document type: Journal Article
Collections: Institute for Frontier Materials
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