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Performance properties and micro-structural quantification of cellulose fibre-polypropylene composites
RISE, Innventia, PFI – Paper and Fiber Research Institute.
RISE, Innventia, PFI – Paper and Fiber Research Institute.ORCID iD: 0000-0002-6183-2017
2012 (English)In: Fiber-reinforced composites / [ed] Cheng Q, Nova Science Publishers, Inc., 2012, 143-157 p.Chapter in book (Other academic)
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Abstract [en]

This study focuses on the effects of cellulose content and cellulose morphology on the structural and mechanical properties of PP/cellulose fibre composites. A detailed structural characterisation was performed, including SEM-BEI analysis of fibre spatial distribution and X-μCT analysis of fibre orientation. The results indicated that the fibres were well-dispersed and oriented mostly along the main direction of the PP/cellulose test specimen. Based on light microscopy it was found that the cellulose fibres acted as nucleators in the PP matrix. By use of DSC it was shown that addition of cellulose fibres increased both the crystallinity and Tc. The increased crystallinity is mainly a result of the transcrystallinity formation. The tensile properties of the composites were affected by the fibre dimensions and the fibre concentration. The long fibres yielded the highest increase of Young's modulus. Elongation at break was mostly affected by the fibre concentration. The results thus indicate that there is a major potential for improving the mechanical properties of fibre-reinforced composites, provided an adequate concentration of fibres is applied.

Place, publisher, year, edition, pages
Nova Science Publishers, Inc., 2012. 143-157 p.
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:ri:diva-805Scopus ID: 2-s2.0-84892953925ISBN: 978-161470303-7 (print)OAI: oai:DiVA.org:ri-805DiVA: diva2:1039737
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Available from: 2016-10-25 Created: 2016-08-09 Last updated: 2016-10-26Bibliographically approved

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