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Friction scale effect in drilling natural fiber composites

Article dans une revue avec comité de lecture
Author
ccEL MANSORI, Mohamed
211915 Mechanics surfaces and materials processing [MSMP]
ccCHEGDANI, Faissal

URI
http://hdl.handle.net/10985/15197
DOI
10.1016/j.triboint.2017.12.006
Date
2018
Journal
Tribology International

Abstract

This work aims to investigate the multiscale tribological behavior when drilling natural fiber composites by changing the tool-composite interface trough the modification of the tool coating. Drilling experiments were carried out on bidirectional flax fibers reinforced polypropylene resin using the same drilling tool geometry with three different coating properties. Results show that the tribo-mechanical behavior of the drilling operation is affected by changing the tool coating at different scale levels. This multiscale behavior is related to the intrinsic friction properties of each coating nature that influence the tribo-contact at the interface between the cutting tool edge and the composite surface.

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