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Role of fibre–fibre and fibre–matrix adhesion in stress transfer in composites made from resin-impregnated paper sheets
STFI-Packforsk AB.
Department of Polymer and Fibre Technology, Royal Institute of Technology .
PFI Paper and Fibre Research Institute.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Centre for Image Analysis. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computerized Image Analysis.
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2009 (English)In: International Journal of Adhesion and Adhesives, ISSN 0143-7496, E-ISSN 1879-0127, Vol. 29, no 5, 551-557 p.Article in journal (Refereed) Published
Abstract [en]

Paper-reinforced plastics are gaining increased interest as packaging materials, where mechanical properties are of great importance. Strength and stress transfer in paper sheets are controlled by fibre–fibre bonds. In paper-reinforced plastics, where the sheet is impregnated with a polymer resin, other stress-transfer mechanisms may be more important. The influence of fibre–fibre bonds on the strength of paper-reinforced plastics was therefore investigated. Paper sheets with different degrees of fibre–fibre bonding were manufactured and used as reinforcement in a polymeric matrix. Image analysis tools were used to verify that the difference in the degree of fibre–fibre bonding had been preserved in the composite materials. Strength and stiffness of the composites were experimentally determined and showed no correlation to the degree of fibre–fibre bonding, in contrast to the behaviour of unimpregnated paper sheets. The degree of fibre–fibre bonding is therefore believed to have little importance in this type of material, where stress is mainly transferred through the fibre–matrix interface.

Place, publisher, year, edition, pages
2009. Vol. 29, no 5, 551-557 p.
Keyword [en]
Composites, Wood, Microscopy
National Category
Computer Vision and Robotics (Autonomous Systems)
Research subject
Computerized Image Analysis
Identifiers
URN: urn:nbn:se:uu:diva-111263DOI: 10.1016/j.ijadhadh.2008.11.002ISI: 000265185300011OAI: oai:DiVA.org:uu-111263DiVA: diva2:280153
Available from: 2009-12-08 Created: 2009-12-08 Last updated: 2017-12-12Bibliographically approved

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Centre for Image AnalysisComputerized Image Analysis
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International Journal of Adhesion and Adhesives
Computer Vision and Robotics (Autonomous Systems)

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