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Quantitative analysis of length-diameter distribution and cross-sectional properties of fibers from three-dimensional tomographic images
University of Jyväskylä.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.ORCID iD: 0000-0002-5210-4341
Risø, DTU.
VTT Technical Research Centre of Finland, Espoo.
Show others and affiliations
2013 (English)In: Processing of fibre composites – challenges for maximum materials performance: Proceedings of 34th Risø International Symposium on Materials Science / [ed] Bo Madsen; Hans Lilholt; Y Kusano; S Fäster; B Ralph, Roskilde, Denmark: Risø National Laboratory for Sustainable Energy, Danmarks Tekniske Universitet , 2013, p. 303-311Conference paper, Published paper (Refereed)
Abstract [en]

A number of rule-of-mixture micromechanical models have been successfully used to predict mechanical properties of short fiber composites. However, in order to obtain accurate predictions, detailed description of the internal structure of the material is required. This information is often obtained from optical microscopy of polished cross-sections of composite. This approach gives accurate yet local results, but a rather large number of optical images have to be processed to achieve a representative description of the morphology of the material. In this work a fully automatic algorithm for estimating the length-diameter distribution of solid or hollow fibers, utilizing three-dimensional X-ray tomographic images, is presented. The method is based on a granulometric approach for fiber length distribution measurement, combined with a novel algorithm that relates cross-sectional fiber properties to fiber length. The work opens up a possibility to assess multivariate distributions of fiber length and diameter, cross-sectional area or other microstructural fiber properties. As an example, the description of microstructure of different composites with natural fibers is presented, along with verification of the results.

Place, publisher, year, edition, pages
Roskilde, Denmark: Risø National Laboratory for Sustainable Energy, Danmarks Tekniske Universitet , 2013. p. 303-311
Series
Risoe International Symposium on Materials Science. Proceedings, ISSN 0907-0079 ; 34
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-26799Local ID: 00e3c094-af3a-4e56-ad68-4cfb06ab5f47ISBN: 978-87-92896-51-3 (print)OAI: oai:DiVA.org:ltu-26799DiVA, id: diva2:999979
Conference
Risö International Symposium on Materials Science : Processing of fibre composites-challenges for maximum materials performance 02/09/2013 - 05/09/2013
Note
Validerad; 2013; 20130911 (joffe)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-01-16Bibliographically approved

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CiteExportLink to record
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