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Non-destructive automatic determination of aspect ratio and cross-sectional properties of fibres

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Miettinen, A., Ojala, A., Wikström, L., Joffe, R., Madsen, B., Nättinen, K., & Kataja, M. (2015). Non-destructive automatic determination of aspect ratio and cross-sectional properties of fibres. Composites Part A: Applied Science and Manufacturing, 77(October), 188-194. https://doi.org/10.1016/j.compositesa.2015.07.005
Published in
Composites Part A: Applied Science and Manufacturing
Authors
Miettinen, Arttu |
Ojala, Antti |
Wikström, Lisa |
Joffe, Roberts |
Madsen, Bo |
Nättinen, Kalle |
Kataja, Markku
Date
2015
Copyright
© 2015 Elsevier Ltd. This is a final draft version of an article whose final and definitive form has been published by Elsevier. Published in this repository with the kind permission of the publisher.

 
A novel method for computerised estimation of the aspect ratio distribution and various cross-sectional geometrical properties of fibres in short-fibre reinforced composites is proposed. The method, based on X-ray micro-computed tomography, is non-destructive and does not require user intervention. Based on results on specially fabricated model material, the accuracy and precision of the method seems adequate. The method is applied in analysing a manufacturing process of wood fibre reinforced thermoplastic composite. The results indicate a significant decrease of the aspect ratio of fibres during the processing steps. Finally, the feasibility of the method is assessed by estimating parameters of a micromechanical model for flax fibre composites and comparing the results with those from tensile tests.
Publisher
Pergamon
ISSN Search the Publication Forum
1359-835X
Keywords
statistical properties X-ray tomography rikkomaton aineenkoetus kuidut
DOI
https://doi.org/10.1016/j.compositesa.2015.07.005
URI

http://urn.fi/URN:NBN:fi:jyu-201508172685

Publication in research information system

https://converis.jyu.fi/converis/portal/detail/Publication/24801712

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