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Effect of machining parameters on the uncut fibers of a unidirectional flax fiber reinforced composite

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Karabibene, N., Chatelain, J.-F., Beauchamp, Y. et Lebrun, G. (2018). Effect of machining parameters on the uncut fibers of a unidirectional flax fiber reinforced composite. Journal of Management & Engineering Integration, 11 (1). p. 54-63. ISSN 1939-7984

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Résumé

In recent years, flax fiber-reinforced polymers (FFRP) are being widely used due to their inherent properties comparable to those of glass fiber reinforced polymers (GFRP). They are partially biodegradable and light weight with good intrinsic modulus and strength. However, milling these composites introduces defects like a poor surface quality with a lot of uncut fibers. The main objective of this study is to analyze the effect of machining parameters and fiber orientation on the uncut fibers (characterized by the number and length of the uncut fibers) of unidirectional FFRP. A full Split-Split Plot Block design of experiment approach was conducted for the analysis. It is shown that the uncut fibers extent depends significantly on the feed rate, the fiber orientation and the cutting tool geometry. The cutting speed does not influence the quantity of uncut fibers. A low feed rate (0.05 mm/rev) and a cutting tool geometry which enhances the fibers shear with a zero-helix angle are shown to minimize the delamination during the up-milling process of unidirectional flax/epoxy composite.

Type de document: Article
Mots-clés libres: Engineering Cutting tools Fiber reinforced polymers Fiber orientation Flax Polyesters Surface properties Design of experiments Cutting speed Plastics Carbon Milling (machining) Glass fiber reinforced plastics Neural networks Weight reduction Fiber composites Feed rate Biodegradability Influence Geometry Quality Composite materials Case studies Process parameters
Date de dépôt: 03 mars 2022 15:08
Dernière modification: 03 mars 2022 15:19
Version du document déposé: Version officielle de l'éditeur
URI: https://depot-e.uqtr.ca/id/eprint/9994

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