Cutting behavior of flax fibers as reinforcement of biocomposite structures involving multiscale hygrometric shear

Chegdani, Faissal; Mansori, Mohamed El; Chebbi, Amen-Allah

doi:10.1016/j.compositesb.2021.108660

Cited by 15 publications

(3 citation statements)

References 58 publications

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“…Due to the presence of natural fibers, the composite laminate does not show an exclusive elastic behavior [23]. With increasing deflection, there is a progressive deviation Due to the presence of natural fibers, the composite laminate does not show an exclusive elastic behavior [23]. With increasing deflection, there is a progressive deviation from linearity in the stress vs. strain curve.…”

Section: Quasi-static Mechanical Testsmentioning

confidence: 99%

“…With the intention, as referenced, to outline the mechanical behavior of the NFRC laminate, the evolution of the flexural stress and tangent modulus versus strain for unaged samples are reported in Figure 2a. Due to the presence of natural fibers, the composite laminate does not show an exclusive elastic behavior [23]. With increasing deflection, there is a progressive deviation The initial ∆Mt/∆t slope, calculated according to Equation ( 2), can be used to determine the water diffusion coefficients during the adsorption and desorption stages.…”

Section: Quasi-static Mechanical Testsmentioning

confidence: 99%

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Performances Recovery of Flax Fiber Reinforced Composites after Salt-Fog Aging Test

Calabrese

Fiore²,

Miranda³

et al. 2022

J. Compos. Sci.

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In the present paper, the performance recovery under conditions of discontinuous exposure to a marine environment of a natural fiber-reinforced composite (NFRC) reinforced by flax fibers was assessed. In particular, this laminate was initially exposed to salt-fog for 15 and 30 days, and then stored in a controlled air condition for up to 21 days. The flax fiber-reinforced composite showed coupled reversible and irreversible aging phenomena during the wet stage, as well as evidencing a significant mechanical recovery during the dry stage. Unlike the stiffness, the laminate showed a noticeable recovery of its flexural strength. This behavior affected the composite material toughness. A simplified approach was applied to define a topological map of the material toughness at varying drying times. The results highlight that the composite shows maximum toughness at intermediate drying times thanks to the strength recovery, in addition to its residual plasticity. This approach allows us to better determine that the strength is more closely related to reversible degradation phenomena, whereas the stiffness is mainly correlated to irreversible ones, implying relevant effects on the toughness of the composite exposed to a wet/dry cycle.

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Section: Quasi-static Mechanical Testsmentioning

confidence: 99%

Section: Quasi-static Mechanical Testsmentioning

confidence: 99%

Performances Recovery of Flax Fiber Reinforced Composites after Salt-Fog Aging Test

Calabrese

Fiore²,

Miranda³

et al. 2022

J. Compos. Sci.

View full text Add to dashboard Cite

show abstract

“…On the other hand, there have been only a limited number of studies in the literature that address the machining of biocomposites as well as comparative studies between biocomposites and glass fiber composites [55]. However, the milling process [56,57] and orthogonal cutting [58,59] have been much less studied.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation and optimization of delamination factors in the drilling of jute fiber–reinforced polymer biocomposites with multiple estimators

Adda

Belaadi

Boumaaza

et al. 2021

Int J Adv Manuf Technol

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Currently, the manufacture of composite structures often requires material removal operations using a cutting tool. Indeed, since biocomposites are generally materials that do not conduct electricity, electro-erosion cannot be utilized. As a result, the processes that can be used are limited to conventional machining, called chip removal machining, such as drilling.Delamination factors are widely recognized for controlling the damaged area (delamination) induced by drilling in industry. As discussed in the literature, several approaches are available to evaluate and quantify the delamination surrounding a hole. In this context, the objective of this study is to compare the three Fd evaluation methods that have been most frequently used in previous investigations. To this end, three rotational and feed speeds and three BSD tool diameters were selected (L27) for drilling 155 g/m 2 density jute fabric reinforced polyester biocomposites. The response surface methodology (RSM) and artificial neural networks (ANNs) were applied to validate the results obtained experimentally as well as to predict the behavior of the structure depending on the cutting conditions.

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Drilling performance of short Washingtonia filifera fiber–reinforced epoxy biocomposites: RSM modeling

Dembri

Belaadi

Boumaaza

et al. 2022

Int J Adv Manuf Technol

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Cutting behavior of flax fibers as reinforcement of biocomposite structures involving multiscale hygrometric shear

Cited by 15 publications

References 58 publications

Performances Recovery of Flax Fiber Reinforced Composites after Salt-Fog Aging Test

Performances Recovery of Flax Fiber Reinforced Composites after Salt-Fog Aging Test

Experimental investigation and optimization of delamination factors in the drilling of jute fiber–reinforced polymer biocomposites with multiple estimators

Drilling performance of short Washingtonia filifera fiber–reinforced epoxy biocomposites: RSM modeling

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