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Low temperature plasma surface modification of stainless steels for ice sliding applications

du Plessis, Andrew (2012)
M.Res. thesis, University of Birmingham.

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Abstract

Stainless steels used in ice sliding applications, such as in the blades of ice skates, ski edges and runners of bobsleigh’s have notoriously poor tribological properties. During the study, microstructure and tribological behavior of AISI 420 and AISI 316 were studied and through the application of low temperature plasma surface modification, it has been possible to improve the base properties exhibited by the materials. Both grades of steel were subjected to a range of plasma surface modifications, using nitriding, carburizing and carbo-nitriding techniques over a set temperature range. Improvements in the surface hardness were documented in all cases. Characterization of the depth of the modified layer was carried out using SEM, GDOES and cross-sectional micro-hardness to obtain optimum conditions for treatment of replica steel blades for use in simulation wear testing. A synthetic ice substitute was created, for tribological testing, and an improvement in performance was observed following the surface modification procedure.

Type of Work:M.Res. thesis.
Supervisor(s):Dong, Hanshan and Chen, Jian
School/Faculty:Colleges (2008 onwards) > College of Engineering & Physical Sciences
Department:Department of Metallurgy and Materials, School of Engineering
Subjects:T Technology (General)
TN Mining engineering. Metallurgy
TS Manufactures
Institution:University of Birmingham
ID Code:3456
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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