Dry sliding wear of active screen plasma carburised austenitic stainless steel

Corujeira Gallo, Santiago, Li, X and Dong, H 2012, Dry sliding wear of active screen plasma carburised austenitic stainless steel, Tribology letters, vol. 45, no. 1, pp. 153-160, doi: 10.1007/s11249-011-9875-6.

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Title Dry sliding wear of active screen plasma carburised austenitic stainless steel
Author(s) Corujeira Gallo, SantiagoORCID iD for Corujeira Gallo, Santiago orcid.org/0000-0002-7305-2931
Li, X
Dong, H
Journal name Tribology letters
Volume number 45
Issue number 1
Start page 153
End page 160
Total pages 8
Publisher Springer
Place of publication Amsterdam, The Netherlands
Publication date 2012-01-01
ISSN 1023-8883
Keyword(s) Steel
Surface modification
Unlubricated wear
Wear mechanisms
Metallurgical analysis
Summary Low temperature diffusion treatments with nitrogen and carbon have been widely used to increase the tribological performance of austenitic stainless steels. These processes produce a layer of supersaturated austenite, usually called expanded austenite or S-phase, which exhibits good corrosion and wear resistance. The novel active screen technology is said to provide benefits over the conventional DC plasma technology. The improvements result from the reduction in the electric potential applied to the treated components, and the elimination of such defects and processing instabilities as edge effects, hollow cathode effects and arcing. In this study, AISI 316 coupon samples were plasma carburised in DC and active screen plasma furnaces. The respective layers of carbon expanded austenite were characterised and their tribological performance was studied and compared. Detailed post-test examinations included SEM observations of the wear tracks and of the wear debris, EDX mapping of the wear track, EBSD crystal orientation mapping of the cross sections of the wear tracks, and cross-sectional TEM. Based on the results of wear tests and post-test examinations, the wear mechanisms involved are discussed.
Language eng
DOI 10.1007/s11249-011-9875-6
Field of Research 091207 Metals and Alloy Materials
091299 Materials Engineering not elsewhere classified
091399 Mechanical Engineering not elsewhere classified
Socio Economic Objective 869999 Manufacturing not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2012, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30088201

Document type: Journal Article
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