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Tensile Behaviour of Double-Edge Notched Flax Braided Yarn Woven Fabric Reinforced PLA Composite

Lookup NU author(s): Dr Kheng-Lim GohORCiD

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Abstract

© 2023, The Author(s), under exclusive licence to the Korean Fiber Society.Biodegradable composites were fabricated from poly-lactic acid (PLA) reinforced by flax braided-yarn woven fabric. Composites with different fabric content (corresponding to the 1, 2 and 3 layers of fabric respectively) were obtained by solution casting and compression moulding processes. Tensile fracture properties were evaluated using the double-edge-notch-tension (DENT) test. A scanning electron microscope was used to look at the fractographic features. Reinforcement of braided-yarn fabric resulted in enhanced tensile fracture strength (σf) and toughness of PLA composite. Fracture toughness (KIC) of the composite improved with the fibre contents, namely 64, 79 and 89%, which correspond to 1, 2 and 3 layers of fabric. The improvement in the tensile fracture characteristics of the composites could be contributed by the presence of an effective interfacial bonding of fibre matrix.

Publication metadata

Author(s): Kanakannavar S, Pitchaimani J, Goh K-L

Publication type: Article

Publication status: Published

Journal: Fibers and Polymers

Year: 2023

Issue: ePub ahead of Print

Online publication date: 06/09/2023

Acceptance date: 18/08/2023

ISSN (print): 1229-9197

ISSN (electronic): 1875-0052

Publisher: Korean Fiber Society

URL: https://doi.org/10.1007/s12221-023-00339-w

DOI: 10.1007/s12221-023-00339-w

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