Modeling Moisture Absorption of Flax/Sisal Reinforced Hybrid Biocomposites Using Fick’s and ANN Methods

Belaadi, Ahmed; Saaidia, Aziz; Boumaaza, Messaouda; Alshahrani, Hassan; Bourchak, Mostefa

doi:10.1080/15440478.2022.2140322

Cited by 5 publications

(1 citation statement)

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“…Te efect of water on composites depends on the amount of water absorbed [23]. Some papers studied the efect of water absorption on SF composites with PLA matrix, and analyzed their water absorption capacities and efects on physical properties [24][25][26][27]. However, there is no previous study investigating the mechanical performances of SF/PLA composites after water absorption and desorption (water ageing) [28].…”

Section: Introductionmentioning

confidence: 99%

Investigating the Dimensional, Mechanical, and Morphological Properties of Composites Reinforced with Sisal Fibers and Polylactic Acid in Response to Water Absorption

Kassegn

Yigezu

Berhanu

et al. 2023

Advances in Materials Science and Engineering

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Biocomposites are promising candidates for some engineering applications owing to the growing environmental and economic challenges to replace petrochemical-based polymers with biodegradable polymers. Herein, sisal fiber reinforced polylactic acid (PLA) composite specimens were fabricated using an injection molding machine with and without plasticizer. The weight percentage (wt%) of the sisal fiber varied between 5% and 20%. The effect of the sisal fiber wt% on water absorption resistance and mechanical properties was investigated experimentally using water ageing, mechanical, and morphological studies. The results revealed that tensile and flexural specimens after water ageing exhibited lower tensile and flexural strengths with higher water absorption behavior at 20 wt% sisal fiber than 5 wt% sisal fiber, while the impact strength increased after water ageing. In addition, the sisal fiber/PLA composites exhibited higher water absorption behavior and lower strength and modulus at 20 wt% sisal fiber after water ageing. Moreover, the water absorption decreased with the incorporation of the plasticizer.

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