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Abstract
This paper describes a study of the influence of soot contamination on the tribological behavior of engine lubricants. The candidate lubricants were a formulated engine lubricant, (CD SAE 15W-40) and a base oil (150SN). Soot particle contamination was simulated using carbon black with friction and wear measured using a four-ball tribometer. The results show that the antiwear and antifriction properties of the CD SAE 15W-40 formulated oil with varying carbon black contents were better than those of 150SN base oil. The antifriction properties of the SAE 15W‐40 formulated oil with the addition of 2 wt% carbon black were strengthened. This was ascribed to uniformly dispersed carbon black and the additives in the CD SAE 15W-40. The antifriction properties of the 150SN base oil with 2, 4 wt% carbon black content were upgraded via the addition of 2 wt% dispersant polyisobutylene succinimide. The tribological effect of the carbon black in the lubricants was attributed to absorption and agglomerate effects.
Original language | English |
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Pages (from-to) | 152-161 |
Number of pages | 10 |
Journal | Wear |
Volume | 304 |
Issue number | 1-2 |
Early online date | 22 May 2013 |
DOIs | |
Publication status | Published - 15 Jul 2013 |
Keywords
- Soot
- Wear
- Sliding friction
- Lubricant
- Tribochemistry
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Dive into the research topics of 'The role of soot particles in the tribological behavior of engine lubricating oils'. Together they form a unique fingerprint.Projects
- 2 Finished
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Impact of DMF on Engine performance and Emissions as a New Generation of Sustainable Biofuel
Xu, H., Wyszynski, M. & Tsolakis, A.
Engineering & Physical Science Research Council
4/02/09 → 3/08/12
Project: Research Councils