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dc.contributor.authorKanakannavar S.
dc.contributor.authorPitchaimani J.
dc.date.accessioned2021-05-05T10:27:10Z-
dc.date.available2021-05-05T10:27:10Z-
dc.date.issued2021
dc.identifier.citationInternational Journal of Polymer Analysis and Characterization Vol. 26 , 4 , p. 364 - 379en_US
dc.identifier.urihttps://doi.org/10.1080/1023666X.2021.1892424
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/15481-
dc.description.abstractFlax fiber braided yarn plain woven fabric reinforced Poly Lactic Acid (PLA) bio-composites are fabricated using film stacking and hot-press compression molding method. Effect of fiber weight fraction on tensile and fracture properties of the bio-composites is studied and fractured surfaces are analyzed using scanning electron microscope (SEM) images. It is found that tensile modulus and strength increases by 62.11 and 59.75% respectively for 35 wt.% of the braided fabric reinforcement compared to pristine PLA. Fracture toughness study is performed on single-edge-notched-bend (SENB) specimens using three point bending method. It is found that plane-strain fracture toughness (KIC) and strain energy release rate (GIC) values of the PLA composites are 71.61 and 124% higher than pure PLA for 35 wt.% braided fabric reinforcement. KIC values of the braided fabric reinforced PLA composites are much high compared to similar natural fiber composites reported in literature. This is attributed to high resistance offered by the interweaving yarns of the braided fabric hence more energy is required to begin crack propagation compared to other typical forms of reinforcement. © 2021 Taylor & Francis Group, LLC.en_US
dc.titleFracture toughness of flax braided yarn woven PLA compositesen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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