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The effect of ceramic friction pairs on the tribocorrosion behavior of AISI 304 stainless steel in seawater

Na Fan (State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu, China)
Liqiang Chai (State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu, China)
Peng Wang (State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu, China)
Jun Liang (State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu, China)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 7 May 2019

Issue publication date: 22 August 2019

Abstract

Purpose

This paper aims to study the tribocorrosion behavior of 304 stainless steel (SS) sliding against SiC and Si3N4 counterparts in artificial seawater.

Design/methodology/approach

The tribocorrosion behavior of 304SS sliding against SiC and Si3N4 balls in artificial seawater has been investigated. The tests were conducted using a ball-on-disk rig equipped with an electrochemical workstation. The friction coefficient, surface morphology, wear volume and current density were determined.

Findings

When 304SS sliding against SiC ball, a smooth surface with a silica layer was formed on the top, which led to the low friction coefficient, current density and small wear volume. For 304SS-Si3N4 tribo-pair, a lot of metal debris was scattered on contact surfaces leading to high friction coefficient, current density and big wear volume.

Research limitations/implications

This research suggests that the lubrication effect of silicon-based ceramics is related to counterpart specimen in artificial seawater.

Practical implications

The results may help us to choose the appropriate ceramic ball under seawater environment.

Originality/value

The main originality of the work is to reveal the tribocorrosion behavior of 304SS sliding against SiC and Si3N4 balls, which help us to realize that the Si3N4 ball as water-lubricated ceramics could not exhibit lubrication effect when coupled with 304SS in artificial seawater.

Keywords

Acknowledgements

The authors gratefully acknowledge the financial support of the National Natural Science Foundation of China (Grant No: 11475236).

Citation

Fan, N., Chai, L., Wang, P. and Liang, J. (2019), "The effect of ceramic friction pairs on the tribocorrosion behavior of AISI 304 stainless steel in seawater", Industrial Lubrication and Tribology, Vol. 71 No. 6, pp. 779-786. https://doi.org/10.1108/ILT-10-2018-0377

Publisher

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Emerald Publishing Limited

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