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Feasibility of using electrostatic monitoring for oil lubricated ceramics to steel sliding contacts

Feasibility of using electrostatic monitoring for oil lubricated ceramics to steel sliding contacts
Feasibility of using electrostatic monitoring for oil lubricated ceramics to steel sliding contacts
Previous work has shown that electrostatic charge signals can be used to detect the onset of wear in lubricated tribocontacts. Preliminary investigations have shown the viability of this system when tested on a laboratory-based pin-on-disc rig, a reciprocating laboratory wear rig [1-3] and in an FZG gear scuffing rig [4,5]. These preliminary experiments have indicated several charging mechanisms could be involved within highly stressed lubricated contacts, namely tribocharging, exo-emissions, surface charge variations and debris generation [6,7].
This paper details further studies looking at the levels of charge generated by lubricated hybrid (silicon nitride sliding on bearing steel) contacts. Correlation between the charge levels generated within hybrid contacts under fully lubricated conditions and the resulting wear rates is investigated. Results from the Pin-on-Disc tests for silicon nitride against various bearing steels contacts, lubricated by Mobil Jet II, are presented and compared to steel on steel contact performance. The materials are ranked based on their performance during the wear tests. The wear mechanisms of hybrid contacts are discussed based on the on-line multi-sensor monitoring results and the post-test wear surface observation by 3-D laser profilometry measurements.
0444512438
625-635
Elsevier
Wang, L.
c50767b1-7474-4094-9b06-4fe64e9fe362
Wood, R.J.K.
d9523d31-41a8-459a-8831-70e29ffe8a73
Harvey, T.J.
3b94322b-18da-4de8-b1af-56d202677e04
Morris, S.
e0829176-4c63-4df7-b487-c40757814b8f
Powrie, H.E.G.
7a4ce31f-8441-47a3-827a-5463dcdfedfb
Care, I.
791608c7-3f53-4f71-9218-62c7fdf4d303
Dowson, D.
Priest, M.
Dalmaz, G.
Lubrecht, A.A.
Wang, L.
c50767b1-7474-4094-9b06-4fe64e9fe362
Wood, R.J.K.
d9523d31-41a8-459a-8831-70e29ffe8a73
Harvey, T.J.
3b94322b-18da-4de8-b1af-56d202677e04
Morris, S.
e0829176-4c63-4df7-b487-c40757814b8f
Powrie, H.E.G.
7a4ce31f-8441-47a3-827a-5463dcdfedfb
Care, I.
791608c7-3f53-4f71-9218-62c7fdf4d303
Dowson, D.
Priest, M.
Dalmaz, G.
Lubrecht, A.A.

Wang, L., Wood, R.J.K., Harvey, T.J., Morris, S., Powrie, H.E.G. and Care, I. (2003) Feasibility of using electrostatic monitoring for oil lubricated ceramics to steel sliding contacts. Dowson, D., Priest, M., Dalmaz, G. and Lubrecht, A.A. (eds.) In Tribological Research and Design for Engineering Systems. vol. 41, Elsevier. pp. 625-635 .

Record type: Conference or Workshop Item (Paper)

Abstract

Previous work has shown that electrostatic charge signals can be used to detect the onset of wear in lubricated tribocontacts. Preliminary investigations have shown the viability of this system when tested on a laboratory-based pin-on-disc rig, a reciprocating laboratory wear rig [1-3] and in an FZG gear scuffing rig [4,5]. These preliminary experiments have indicated several charging mechanisms could be involved within highly stressed lubricated contacts, namely tribocharging, exo-emissions, surface charge variations and debris generation [6,7].
This paper details further studies looking at the levels of charge generated by lubricated hybrid (silicon nitride sliding on bearing steel) contacts. Correlation between the charge levels generated within hybrid contacts under fully lubricated conditions and the resulting wear rates is investigated. Results from the Pin-on-Disc tests for silicon nitride against various bearing steels contacts, lubricated by Mobil Jet II, are presented and compared to steel on steel contact performance. The materials are ranked based on their performance during the wear tests. The wear mechanisms of hybrid contacts are discussed based on the on-line multi-sensor monitoring results and the post-test wear surface observation by 3-D laser profilometry measurements.

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More information

Published date: 2003
Venue - Dates: 29th Leeds-Lyon Symposium on Tribology, University of Leeds, UK, 2002-09-03 - 2002-09-06

Identifiers

Local EPrints ID: 30264
URI: http://eprints.soton.ac.uk/id/eprint/30264
ISBN: 0444512438
PURE UUID: a0dfebf9-0c20-4d4a-ac6f-3122b5804393
ORCID for L. Wang: ORCID iD orcid.org/0000-0002-2894-6784
ORCID for R.J.K. Wood: ORCID iD orcid.org/0000-0003-0681-9239

Catalogue record

Date deposited: 12 May 2006
Last modified: 19 Mar 2024 02:37

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Contributors

Author: L. Wang ORCID iD
Author: R.J.K. Wood ORCID iD
Author: T.J. Harvey
Author: S. Morris
Author: H.E.G. Powrie
Author: I. Care
Editor: D. Dowson
Editor: M. Priest
Editor: G. Dalmaz
Editor: A.A. Lubrecht

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