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Structure property relation of hybrid biocomposites based on jute, viscose and polypropylene: The effect of the fibre content and the length on the fracture toughness and the fatigue properties
Faculty of Forestry, University of Toronto.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0003-4762-2854
Central Institute of Plastics Engineering & Technology, (CIPET), Guindy.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
2016 (English)In: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, E-ISSN 1878-5840, Vol. 83, p. 169-175Article in journal (Refereed) Published
Abstract [en]

In the present study, the extent of jute and viscose fibre breakage during the extrusion process on the fracture toughness and the fatigue properties was investigated. The composite materials were manufactured using direct long fibre thermoplastic (D-LFT) extrusion, followed by compression moulding. The fracture toughness (KIC) and the fracture energy (GIC) of the PP-J30 composites were significantly improved (133% and 514%, respectively) with the addition of 10 wt% viscose fibres, indicating hindered crack propagation. The addition of viscose fibres resulted in three times higher fatigue life compared with that of the unmodified jute composites. Further, with the addition of (2 wt%) MAPP, the PP-J30-V10 resulted in a higher average viscose fibre length of 8.1 mm, and the fracture toughness and fracture energy increased from 9.1 to 10.0 MPa.m1/2 and 28.9 to 31.2kJ/m2, respectively. Similarly, the fatigue life increased 51% compared with the PP-J30-V10, thus demonstrating the increased work energy due to hindrance of the propagation of cracks.

Place, publisher, year, edition, pages
2016. Vol. 83, p. 169-175
National Category
Bio Materials
Research subject
Wood and Bionanocomposites
Identifiers
URN: urn:nbn:se:ltu:diva-14328DOI: 10.1016/j.compositesa.2015.10.037ISI: 000372383800018Scopus ID: 2-s2.0-84958953818Local ID: dae06d24-de93-4d15-9e15-15d78a578217OAI: oai:DiVA.org:ltu-14328DiVA, id: diva2:987283
Note
Validerad; 2016; Nivå 2; 20151103 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Oksman, KristiinaSain, Mohini

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