Early wear detection and its significance for condition monitoring

P Lu, HE Powrie, RJK Wood, TJ Harvey, NR Harris - Tribology International, 2021 - Elsevier
This paper proposes the concept of how machinery condition monitoring can be taken to the
next level, through micro-sensing of tribological phenomena occurring between contacting …

The effects of soot-contaminated engine oil on wear and friction: a review

DA Green, R Lewis - Proceedings of the Institution of …, 2008 - journals.sagepub.com
During the diesel engine combustion process, soot particles are produced and are either
exhausted into the atmosphere or absorbed by the engine's lubricant. Soot-contaminated …

Main failure mode of oil-air lubricated rolling bearing installed in high speed machining

Z Chang, Q Jia, X Yuan, Y Chen - Tribology International, 2017 - Elsevier
The failure mode of rolling bearings is closely related to its operating conditions. In this
study, a batch of rolling bearings, which have failed after a certain service period under oil …

[HTML][HTML] Soot wear mechanisms in heavy-duty diesel engine contacts

T Kirkby, JJ Smith, J Berryman, M Fowell, T Reddyhoff - Wear, 2023 - Elsevier
In this study, the wear mechanisms of a used, soot-containing oil drained from an engine test
are investigated. As reviewed at the start of this paper, many wear mechanisms have been …

A state-of-the-art review on the effects of particulate contamination and related topics in machine-element contacts

GK Nikas - Proceedings of the Institution of Mechanical …, 2010 - journals.sagepub.com
Contamination of machine-element contacts by solid particles is a serious problem in all
industrial sectors. Particles ranging in size from nanometres to micrometres are responsible …

[HTML][HTML] Charge pattern detection through electrostatic array sensing

Z Tian, P Lu, J Grundy, T Harvey, H Powrie… - Sensors and Actuators A …, 2024 - Elsevier
As reported in previous work, electrostatic charge induced by contact potential difference
(CPD) arising from oxidational wear can be detected by electrostatic button sensors …

A wear debris recognition method based on dual-channel electrostatic signal and prominence of cross-correlation function

Y Yin, Q Zhang, L Feng, L Song, Z Wen, Z Yuan… - Tribology …, 2023 - Elsevier
Electrostatic monitoring is a hot technique used for online wear debris detection. This study
presented a recognition method by using a dual-channel electrostatic senor. A signal …

Antagonistic interaction of antiwear additives and carbon black

Y Olomolehin, R Kapadia, H Spikes - Tribology Letters, 2010 - Springer
It is well known that the presence of soot in engine oils can lead to an increase in wear of
engine parts. This is a growing problem as soot levels in diesel engine oils are rising due to …

[HTML][HTML] Effect of steel hardness on soot wear

A Kontou, M Southby, HA Spikes - Wear, 2017 - Elsevier
Due to incomplete combustion, high levels of soot can accumulate in engine lubricants
between drain intervals. This soot can promote wear of engine parts such as timing chains …

Influence of dispersant and ZDDP on soot wear

A Kontou, M Southby, N Morgan, HA Spikes - Tribology Letters, 2018 - Springer
Diesel engines and gasoline direct injection (GDI) engines both produce soot due to
incomplete combustion of the fuel and some enters the lubricant where it accumulates …