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The influence of fibre microstructure on fibre breakage and mechanical properties of natural fibre reinforced polypropylene
Luleå University of Technology.
Luleå University of Technology.
RISE, Swerea, Swerea SICOMP.
RISE, Swerea, Swerea SICOMP.
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2009 (English)In: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 69, 1847-1853 p.Article in journal (Refereed)
Abstract [en]

The aim of the study was to investigate the influence of fibre morphology of different natural fibres on the composites mechanical properties and on the fibre breakage due to extrusion process. The composite materials were manufactured using LTF (long fibre thermoplastic) extrusion and compression moulding and the used fibres were sisal, banana, jute and flax, and the matrix was a polypropylene. The results showed that sisal composites had the best impact properties and the longest fibres after the extrusion. Generally, the composites flexural stiffness was increased with increased fibre content for all fibres, being highest for flax composites. The flexural strength was not affected by the addition of fibres because of the low compatibility. The addition of 2 wt.% maleated polypropylene significantly improved the composites properties. Unlike the other three fibres, flax fibres were separated into individual elementary fibres during the process due to enzymatic retting and low lignin content. © 2009 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
2009. Vol. 69, 1847-1853 p.
Keyword [en]
A. Short-fibre composites, B. Mechanical properties, D. Scanning electron microscopy, E. Extrusion
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13182DOI: 10.1016/j.compscitech.2009.03.020OAI: oai:DiVA.org:ri-13182DiVA: diva2:973378
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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