Interfacial bonding of Flax fibre/Poly(L-lactide) bio-composites

Type Publication
Date 2010-02
Language English
Author(s) Le Duigou Antoine2, Davies PeterORCID1, Baley Christophe2
Affiliation(s) 1 : IFREMER, Mat & Struct Grp, F-29280 Plouzane, France.
2 : Univ Bretagne Sud, LIMATB Lab Ingn Mat Bretagne, F-56321 Lorient, France.
Source Composites Science And Technology (0266-3538) (Elsevier), 2010-02 , Vol. 70 , N. 2 , P. 231-239
DOI 10.1016/j.compscitech.2009.10.009
WOS© Times Cited 64
Keyword(s) Flax fibre, Biopolymer, Biocomposite, Interfacial properties, Microbond test
Abstract The use of glass fibre reinforced polyester composites raises many health and safety and environmental questions. One alternative is the development of high performance bio-based bio-composites with low environmental impact. Improved understanding of interfacial properties is essential to optimise the mechanical properties and durability of these materials, but so far few data are available. The present work describes the interfacial characterization of Flax fibre/Poly(lactic) acid (PLLA) system at the micro-scale using the microbond test. Different thermal treatments have been carried out (cooling rate and annealing) in order to evaluate the influence of matrix and interfacial morphologies as well as residual stress on interfacial properties. Micromechanical models have been used to determine the interfacial shear strength. When cooling rate is slow, improved interfacial properties are observed. (C) 2009 Elsevier Ltd. All rights reserved.
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