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Mutual effect of groove size and anisotropy of cylinder liner honed textures on engine performances

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

URI
http://hdl.handle.net/10985/9817
DOI
10.4028/www.scientific.net/AMR.966-967.175
Date
2014
Journal
Advanced Materials Research

Résumé

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 performances, different honing processes are being developed. These different honing processes generate surfaces with various texture features characteristics (roughness, valleys depth, valley width, cross hatch angle, etc.). This paper addresses a comparison of ring-pack friction for cylinder texture with different cross-hatch angles and valley sizes. It takes in consideration the mutual effect of valley depth and honing angle. A numerical model is developed to predict friction within the cylinder ring-pack system in mixed lubrication regime and a morphological method is used to characterize groove depth. The results show the effect of different honing variables (rotation speed, stroke speed and indentation pressure) on cylinder bore surface textures and hydrodynamic friction of the ring-pack system.

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  • Laboratoire Mechanics, Surfaces and Materials Processing (MSMP)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • 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 ...
  • Tribological performances of elliptic and circular texture patterns produced by innovative honing process 
    Article dans une revue avec comité de lecture
    YOUSFI, Mohammed; MEZGHANI, Sabeur; ccEL MANSORI, Mohamed; ccDEMIRCI, Ibrahim (Elsevier, 2016)
    Honing is a manufacturing process which uses friction and abrasion mechanisms at a reduced velocity to print a multiscale and anisotropic texture on the liner surface of automotive engines. It enables to enhance the ...
  • Impact of superficial surface texture anisotropy in helical slide and plateau honing on ring-pack performance 
    Article dans une revue avec comité de lecture
    MEZGHANI, Sabeur; YOUSFI, Mohammed; ccEL MANSORI, Mohamed; ccDEMIRCI, Ibrahim (SAGE Publications, 2015)
    The improvement of environment efficiency of automotive internal combustion engine becomes a fundamental objective. The cylinder engine surface texture considerably influences the functional performances of the ring-pack ...
  • Multi-scale analysis of the roughness effect on lubricated rough contact 
    Article dans une revue avec comité de lecture
    MEZGHANI, Sabeur; YOUSFI, Mohammed; ccEL MANSORI, Mohamed; ccDEMIRCI, Ibrahim (American Society of Mechanical Engineers, 2014)
    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 both ...
  • Running-in wear modeling of honed surface for combustion engine cylinder liners 
    Article dans une revue avec comité de lecture
    MEZGHANI, Sabeur; YOUSFI, Mohammed; ccEL MANSORI, Mohamed; ccDEMIRCI, Ibrahim (Elsevier, 2013)
    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 ...

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