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Open AccessArticle

Bio-Polyamide 11 Hybrid Composites Reinforced with Basalt/Flax Interwoven Fibers: A Tough Green Composite for Semi-Structural Applications

1
Institute for Polymers, Composites and Biomaterials—National Council of Research, 80078 Pozzuoli, Naples, Italy
2
Department of Chemical, Materials and Production Engineering, University of Naples Federico II, 80125 Naples, Italy
*
Authors to whom correspondence should be addressed.
Fibers 2019, 7(5), 41; https://doi.org/10.3390/fib7050041
Received: 11 March 2019 / Revised: 25 April 2019 / Accepted: 29 April 2019 / Published: 6 May 2019
(This article belongs to the Special Issue Natural Fiber-Reinforced Hybrid Composites)
Intraply hybrid green composites were prepared by film stacking and hot-pressing of bio-based polyamide 11 (PA11) sheets and commercial hybrid fabrics made by interweaving flax and basalt fibers (2/2 twill structure). Two matrices were considered, one of them containing a plasticizing agent. After preliminary thermal and rheological characterizations of the neat matrices, the laminates were studied in terms of flexural properties at low and high deformation rates, and the results were interpreted in the light of morphological analyses (scanning electron and optical microscopy). Despite the poor interfacial adhesion detected for all investigated composite samples, the latter exhibited a good combination of flexural strength, modulus, and impact resistance. Such well-balanced mechanical properties make the studied samples potential candidates for semi-structural applications, e.g., in the transportation sector. View Full-Text
Keywords: polyamide 11; interweaving flax-basalt fibers; hybrid composites; flexural properties polyamide 11; interweaving flax-basalt fibers; hybrid composites; flexural properties
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Russo, P.; Simeoli, G.; Vitiello, L.; Filippone, G. Bio-Polyamide 11 Hybrid Composites Reinforced with Basalt/Flax Interwoven Fibers: A Tough Green Composite for Semi-Structural Applications. Fibers 2019, 7, 41.

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