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Impact and flexural properties of flax fabrics and Lyocell fiber-reinforced bio-based thermoset
University of Borås, School of Engineering.
University of Borås, School of Engineering.
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2011 (English)In: Journal of reinforced plastics and composites (Print), ISSN 0731-6844, E-ISSN 1530-7964, Vol. 30, no 8, 685-697 p.Article in journal (Refereed)
Sustainable development
The content falls within the scope of Sustainable Development
Abstract [en]

A bio-based thermoset resin was reinforced with flax fabrics and Lyocell fiber. The effect of different weave architectures was studied with four flax fabrics with different architectures: plain, twill (two different types), and dobby. The effect of the outer ply thickness was studied and characterized with flexural and impact testing. Composites manufactured with plain weave reinforcement had the best mechanical properties. The tensile strength, tensile modulus, flexural strength, flexural modulus, and impact strength were 280 MPa, 32 GPa, 250 MPa, 25 GPa, and 75 kJ/m2, respectively. Reinforcements with twill-weave architecture did not impart appreciable flexural strength or flexural modulus even when the outer thickness was increased. Plain- and dobby (basket woven style)-weave architectures gave better reinforcing effects and the flexural properties increased with an increase in outer thickness.Water absorption properties of the composites were studied and it was observed that the hybridization with Lyocell fiber reduced the water uptake. Fieldemission scanning electron microscopy was used to study the micro-structural properties of the composites.

Place, publisher, year, edition, pages
Sage Publications Ltd. , 2011. Vol. 30, no 8, 685-697 p.
Keyword [en]
water absorption, impact test, flax fiber, bio-based resin
Keyword [sv]
lyocell fiber, Energi och material
National Category
Natural Sciences Engineering and Technology
Research subject
Resource Recovery
URN: urn:nbn:se:hb:diva-3228DOI: 10.1177/0731684411405874Local ID: 2320/9763OAI: diva2:871325
Available from: 2015-11-13 Created: 2015-11-13

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Adekunle, KayodeCho, Sung-WooSkrifvars, Mikael
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