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Article

Effect of Stacking Sequence and Sodium Bicarbonate Treatment on Quasi-Static and Dynamic Mechanical Properties of Flax/Jute Epoxy-Based Composites

1
Department of Engineering, University of Palermo, Viale delle Scienze, 90128 Palermo, Italy
2
Department of Engineering, University of Messina, Contrada Di Dio, 98158 Sant’Agata, Messina, Italy
*
Author to whom correspondence should be addressed.
Materials 2019, 12(9), 1363; https://doi.org/10.3390/ma12091363
Received: 4 April 2019 / Revised: 18 April 2019 / Accepted: 22 April 2019 / Published: 26 April 2019
(This article belongs to the Section Advanced Composites)
The present paper deals with the investigation of quasi-static and dynamic mechanical response of epoxy-based composites reinforced with flax and/or jute plain weave fabrics. In order to evaluate the influence of the stacking sequence, two monolithic laminates reinforced with flax or jute fibers and two hybrid flax/jute laminates were manufactured through the vacuum infusion technique. Furthermore, an eco-friendly and cost-effective surface treatment based on fiber soaking in a sodium bicarbonate solution was employed to improve the fiber-matrix adhesion. The mechanical characterization (by means of quasi-static flexural, dynamic mechanical thermal analysis and Charpy impact tests) allowed to evidence that the sodium bicarbonate treatment leads to noticeable improvement of the mechanical performances of flax reinforced composites, whereas jute composites experience a slight decrease of their mechanical properties. Overall, the hybridization allows to achieve intermediate mechanical properties among those of monolithic composites. Furthermore, the coupled action of hybridization and surface treatment does not lead to a beneficial and reliable effect on the mechanical response of the resulting composites. View Full-Text
Keywords: green composites; sodium bicarbonate treatment; hybridization; mechanical characterization green composites; sodium bicarbonate treatment; hybridization; mechanical characterization
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MDPI and ACS Style

Fiore, V.; Calabrese, L. Effect of Stacking Sequence and Sodium Bicarbonate Treatment on Quasi-Static and Dynamic Mechanical Properties of Flax/Jute Epoxy-Based Composites. Materials 2019, 12, 1363. https://doi.org/10.3390/ma12091363

AMA Style

Fiore V, Calabrese L. Effect of Stacking Sequence and Sodium Bicarbonate Treatment on Quasi-Static and Dynamic Mechanical Properties of Flax/Jute Epoxy-Based Composites. Materials. 2019; 12(9):1363. https://doi.org/10.3390/ma12091363

Chicago/Turabian Style

Fiore, Vincenzo, and Luigi Calabrese. 2019. "Effect of Stacking Sequence and Sodium Bicarbonate Treatment on Quasi-Static and Dynamic Mechanical Properties of Flax/Jute Epoxy-Based Composites" Materials 12, no. 9: 1363. https://doi.org/10.3390/ma12091363

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