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Investigation about the Effect of Manufacturing Parameters on the Mechanical Behaviour of Natural Fibre Nonwovens Reinforced Thermoplastic Composites

1
GEMTEX, ENSAIT, University of Lille, F-59056 Roubaix, France
2
Composites Centre, AMRC with Boeing, University of Sheffield, Sheffield S60 5ZT, UK
*
Author to whom correspondence should be addressed.
Materials 2019, 12(16), 2560; https://doi.org/10.3390/ma12162560
Received: 6 July 2019 / Revised: 8 August 2019 / Accepted: 9 August 2019 / Published: 11 August 2019
(This article belongs to the Special Issue Mechanical Behavior of Composite Materials)
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Abstract

To date, nonwoven fabrics made with natural fibres and thermoplastic commingled fibres have been extensively used in the composite industry for a wide variety of applications. This paper presents an innovative study about the effect of the manufacturing parameters on the mechanical behaviour of flax/PP nonwoven reinforced composites. The mechanical properties of nonwoven fabric reinforced composites are related directly to the ones of dry nonwoven reinforcements, which depend strongly on the nonwoven manufacturing parameters, such as the needle-punching and areal densities. Consequently, the influence of these manufacturing parameters will be analysed through the tensile and flexural properties. The results demonstrated that the more areal density the nonwoven fabric has, the more the mechanical behaviour can be tested for composites. By contrast, it has a complex influence on needle-punching density on the load-strain and bending behaviours at the composite scale. View Full-Text
Keywords: nonwoven; natural fibre composites (NFC); thermoplastic; mechanical behaviour nonwoven; natural fibre composites (NFC); thermoplastic; mechanical behaviour
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Gnaba, I.; Wang, P.; Soulat, D.; Omrani, F.; Ferreira, M.; Vroman, P. Investigation about the Effect of Manufacturing Parameters on the Mechanical Behaviour of Natural Fibre Nonwovens Reinforced Thermoplastic Composites. Materials 2019, 12, 2560.

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