Abstract
The use of natural fibres allows reducing environmental impact, due to their natural renewable origin and the lower energy needed for their production and processing. This work presents the mechanical characterization of a newly developed technical textile, with banana fibre treated by enzymes, comparing experimental results with numerical simulation based on the definition of the unit cell at micromechanical level. The experimental test shows that the composite with the fabric of banana fibre presents worse mechanical behaviour than the one with commercial flax fibre. The presence of wool, necessary for producing the yarn, reduces the mechanical properties of the banana textile. The numerical simulation had an acceptable error compared with the experimental results, with a global average error of 9%, showing that the predictive modelling based on the multiscale method is suitable for the design process of this kind of composite.
Highlights
The use of natural fibres allows the reduction of environmental impact, due to their natural renewable origin and the lower energy needed for their production and processing (4 MJ/kg of natural fibre versus 30 MJ/kg of glass fibre or 130 MJ/kg of carbon fibre) [1]
This work presents the mechanical characterization of a new developed technical textile, with banana fibre, comparing experimental results with numerical simulation based on the definition of
This work presents the mechanical characterization of a new developed technical textile, with banana fibre, comparing experimental results with numerical simulation based on the definition of the unit cell at micromechanical level
Summary
The use of natural fibres allows the reduction of environmental impact, due to their natural renewable origin and the lower energy needed for their production and processing (4 MJ/kg of natural fibre versus 30 MJ/kg of glass fibre or 130 MJ/kg of carbon fibre) [1]. Banana fibre is a cellulosic fibre, obtained from the leaves of the pseudostem of the plant. Banana tree is a monocot plant, from the genus Musa, in the Musaceae family. These plants have no wood or a real trunk; the pseudostem is made of different leaves tight together. Once the fruits have been harvested, the plant produces one or various shoots, which will replace the original plant, dead after the fruits production. Pseudostems are usually left in the plantation, producing a problem for the forthcoming harvesting. Banana fibre has 60%–65% cellulose, 6%–8% hemicellulose, and 5%–10%
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