Impact and flexural properties of flax fabrics and Lyocell fiber-reinforced bio-based thermoset
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 developmentThe content falls within the scope of Sustainable Development
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.
water absorption, impact test, flax fiber, bio-based resin
lyocell fiber, Energi och material
Natural Sciences Engineering and Technology
Research subject Resource Recovery
IdentifiersURN: urn:nbn:se:hb:diva-3228DOI: 10.1177/0731684411405874Local ID: 2320/9763OAI: oai:DiVA.org:hb-3228DiVA: diva2:871325