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Tribology of soot suspension in hexadecane as distinguished by the physical structure and chemistry of soot particles

Bhowmick, Hiralal and Majumdar, SK and Biswas, SK (2012) Tribology of soot suspension in hexadecane as distinguished by the physical structure and chemistry of soot particles. In: JOURNAL OF PHYSICS D-APPLIED PHYSICS, 45 (17).

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Official URL: http://dx.doi.org/10.1088/0022-3727/45/17/175302

Abstract

Ethylene gas is burnt to generate soot which is collected thermophoretically from different locations of the flame. Tribological performance of the collected soot in hexadecane suspension is compared with that of carbon black and diesel soot. The soots are analysed to yield a range of mechanical properties, physical structures and chemistry. The paper correlates these property variations with the corresponding variations in friction and wear when the soot suspended in hexadecane is used to lubricate a steel on steel sliding interaction. The particles are dispersed in hexadecane by a non-ionic surfactant, poly-isobutylene succinimide (PIBS), which is mono-functional with no free amine group. The grafting of the surfactant on the soot particles is found to have a profound effect on the dispersion of the soot, in general, while, between the different soot types, the tribology is differentiated by the physical structure and chemistry.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to OIP science
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 09 Jul 2012 10:02
Last Modified: 09 Jul 2012 10:02
URI: http://eprints.iisc.ernet.in/id/eprint/44661

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