Influence of Material Nature and Surface Texturing on Wear of Heavy-Duty Diesel Engine Cylinder Liners

The aim of this work is to study the influence of the material (chemical composition and mechanical properties) and the surface texturing on wear of heavy-duty diesel engine cylinder liners. Three kinds of lamellar grey cast iron have been studied: a classical grey cast iron, a surface-quenched grey...

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Bibliographic Details
Published in:Tribology transactions 2009-01, Vol.52 (1), p.121-126
Main Authors: Keller, J., Fridrici, V., Kapsa, Ph, Vidaller, S., Huard, J F.
Format: Article
Language:English
Subjects:
Applied sciences
Cast Iron
Diesel Engines
Exact sciences and technology
Friction
Friction, wear, lubrication
Lubricants & lubrication
Machine components
Mechanical engineering. Machine design
Studies
Surface Roughness
Tribochemical Film
Tribology
Wear
Wear resistance
Wear tests
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Summary:The aim of this work is to study the influence of the material (chemical composition and mechanical properties) and the surface texturing on wear of heavy-duty diesel engine cylinder liners. Three kinds of lamellar grey cast iron have been studied: a classical grey cast iron, a surface-quenched grey cast iron, and a micro-alloyed grey cast iron. Honed samples have been tested with different surface roughness parameters. Reciprocating friction tests with the configuration "sphere against a piece of cylinder liner" in lubricated contact have been carried out on a Cameron-Plint test rig. The friction coefficient and the electrical contact resistance were measured during the test. The tribochemical film formation on the wear scars has been studied after different test durations (during and after the running-in stage). The wear volume of the cylinder and the sphere has been determined. Surface heat treatment and phosphorus eutectics can improve the tribochemical film formation and the wear resistance of cylinder liners. Moreover, the surface topography has an important influence; a flat surface with deep valleys shows a better wear resistance than a surface with lots of asperities.
ISSN:1040-2004
1547-397X
DOI:10.1080/10402000802441603