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Use of micro-tomography for validation of method to identify interfacial shear strength from tensile tests of short regenerated cellulose fibre composites
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
University of Jyvaskyla, Department of Physics.
Technical University of Denmark, Department of Wind Energy, Risø Campus.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Number of Authors: 4
2016 (English)In: IOP Conference Series: Materials Science and Engineering, ISSN 1757-8981, E-ISSN 1757-899X, Vol. 139, 012021Article in journal (Refereed) Published
Abstract [en]

The interfacial shear strength of short regenerated cellulose fibre/polylactide composites was characterized by means of an industry-friendly adhesion test method. The interfacial shear strength was back-calculated from the experimental tensile stress-strain curves of composites by using a micro-mechanical model. The parameters characterizing the microstructure of the composites, e.g. fibre length and orientation distributions, used as input in the model were obtained by micro-tomography. The investigation was carried out on composites with untreated and surface treated fibres with various fibre weight contents (5wt%, 10wt%, and 15wt% for untreated fibres, and 15wt% for treated fibres). The properties of fibres were measured by an automated single fibre tensile test method. Based on these results, the efficiency of the fibre treatment to improve fibre/matrix adhesion is evaluated, and the applicability of the method to measure the interfacial shear strength is discussed. The results are compared with data from previous work, and with other results from the literature

Place, publisher, year, edition, pages
2016. Vol. 139, 012021
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-59572DOI: 10.1088/1757-899X/139/1/012021ScopusID: 2-s2.0-84989337944OAI: oai:DiVA.org:ltu-59572DiVA: diva2:1033526
Conference
37th Risø International Symposium on Materials Science, 5 - 8 September 2016, Technical University of Denmark Risø Campus, Roskilde
Available from: 2016-10-07 Created: 2016-10-07 Last updated: 2016-11-01Bibliographically approved

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Hajlane, AbdelghaniJoffe, Roberts
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