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Impact of superficial surface texture anisotropy in helical slide and plateau honing on ring-pack performance

Article dans une revue avec comité de lecture
Author
MEZGHANI, Sabeur
YOUSFI, Mohammed
133641 Technocentre Renault [Guyancourt]
ccEL MANSORI, Mohamed
211915 Mechanics surfaces and materials processing [MSMP]
ccDEMIRCI, Ibrahim

URI
http://hdl.handle.net/10985/15180
DOI
10.1177/1350650115623452
Date
2015
Journal
Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology

Abstract

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 tribo-system. These surfaces are obtained by honing process that was pioneered in the last decade. Several innovative honing techniques were developed resulting in new surface textures with different cross-hatch angle obtained after several stages: the rough and finish honing and final stage. The aim of this study is to investigate the effect of variable cross-hatch angle generated at a final stage. These measured obtained surfaces are measured by a 3D white light interferometer and used as input data of the numerical model to estimate the friction. The results show the importance of this ‘residual’ angle.

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