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Running-in wear modeling of honed surface for combustion engine cylinder liners

Article dans une revue avec comité de lecture
Auteur
MEZGHANI, Sabeur
YOUSFI, Mohammed
ccEL MANSORI, Mohamed
211915 Mechanics surfaces and materials processing [MSMP]
ccDEMIRCI, Ibrahim

URI
http://hdl.handle.net/10985/7621
DOI
10.1016/j.wear.2013.01.026
Date
2013
Journal
Wear

Résumé

The texture change during running-in alters the performance and efficiency of a tribo-mechanical system. During mass production of cylinder liners, a final finishing stage known as ‘‘plateau honing’’ is commonly added to reduce the running-in wear process of the liner surface. The majority of researchers think that this operation improves the engine efficiency and decreases oil consumption. It was believed that there are close links between the surface topography of honed cylinders change and their wear resistance during running-in. However, these interactions have not yet been established. Some running-in wear models were developed in the open literature to predict topographical surface changes without considering the running-in conditions. The present paper thus investigates the various aspects of the wear modeling that caused running- in problems in honed surfaces and its implications on ring-pack friction performance. To illustrate this, plateau honing experiments under different conditions were first carried out on an instrumented vertical honing machine. The plateau honing experiments characterize the surface modifications during running-in wear of cast-iron engine bores using advanced characterization method. Based on the experimental evidence, a running-in wear model was developed. Finally, a numerical extension of the developed model was applied to solve the Reynolds equation by taking into account the real surface topographies of the engine bore. This enables us to predict realistic friction performance within the cylinder ring-pack tribosystem.

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  • Laboratoire Mechanics, Surfaces and Materials Processing (MSMP)

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  • Multiscale Analysis of the Roughness Effect on Lubricated Rough Contact 
    Article dans une revue avec comité de lecture
    DEMIRCI, Ibrahim; MEZGHANI, Sabeur; YOUSFI, Mohammed; EL MANSORI, Mohamed (American Society of Mechanical Engineers, 2014-01)
    Determining friction is as equally essential as determining the film thickness in the lubricated contact, and is an important research subject. Indeed, reduction of friction in the automotive industry is important for ...
  • Smoothness and plateaudness contributions to the running-in friction and wear of stratified helical slide and plateau honed cylinder liners 
    Article dans une revue avec comité de lecture
    YOUSFI, Mohammed; MEZGHANI, Sabeur; ccEL MANSORI, Mohamed; ccDEMIRCI, Ibrahim (Elsevier, 2015)
    Cylinder liner surface has a great influence on frictional and wear performances of combustion engines during the running-in period. Two surface texture anisotropies produced by plateau honing (PH) and helical slide honing ...
  • Influence de l'échelle de rugosité sur le frottement dans les contacts lubrifiés. 
    Communication avec acte
    MEZGHANI, Sabeur; YOUSFI, Mohammed; ZAHOUANI, Hassan; ccEL MANSORI, Mohamed; ccDEMIRCI, Ibrahim (2013)
    The reduction of friction and the limitation of emissions of greenhouse gases are the main objectives of the automotive industry. This energy e ciency is related to functionalization of the surface of ringpack tribo-system. ...
  • Mutual effect of groove size and anisotropy of cylinder liner honed textures on engine performances 
    Article dans une revue avec comité de lecture
    YOUSFI, Mohammed; MEZGHANI, Sabeur; ccEL MANSORI, Mohamed; ccDEMIRCI, Ibrahim (Trans Tech Publications, 2014)
    The cylinder liner surface texture, widely generated by the honing technique, contributes a lot on engine functional performances (friction, oil consumption, running-in, wear etc.). In order to improve these functional ...
  • Mutual influence of cross hatch angle and superficial roughness of honed surfaces on friction in ring-pack tribo-system 
    Article dans une revue avec comité de lecture
    MEZGHANI, Sabeur; YOUSFI, Mohammed; ccEL MANSORI, Mohamed; ccDEMIRCI, Ibrahim (Elsevier, 2013)
    The cylinder bore surface texture, widely produced by the honing technique, is an essential factor for a good engine performance (friction, oil consumption, running-in, wear etc.). This explains the improvement and development ...

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