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Particle deposition mechanisms during processing of advanced composite materials
SICOMP AB, Swedish Institute of Composites.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.ORCID iD: 0000-0002-1033-0244
2007 (English)In: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, E-ISSN 1878-5840, Vol. 38, no 10, p. 2182-2193Article in journal (Refereed) Published
Abstract [en]

Liquid composite moulding of advanced composite materials often comprises infiltration of a particle-filled resin into a multi-scale porous fabric. These injections/infusions are subject to severe particle depositions inside the reinforcement, leading to undesired inhomogeneous mechanical and functional properties. Hence, the mechanisms for particle depositions are investigated by detailed meso-scale experiments, analysed by microscopic imaging and micro-particle image velocimetry, and macroscopic infusions of a biaxial non-crimp fabric. It is shown that two main particle deposition mechanisms are filtration during fibre bundle impregnation and filtration induced by stationary flow through fibre bundles. It is also clarified where in the reinforcement the particles will deposit. Finally, a number of suggestions on how to process advanced composite materials with a more homogeneous particle distribution are launched.

Place, publisher, year, edition, pages
2007. Vol. 38, no 10, p. 2182-2193
National Category
Fluid Mechanics and Acoustics
Research subject
Fluid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-11895DOI: 10.1016/j.compositesa.2007.06.009ISI: 000250946500012Scopus ID: 2-s2.0-34848927453Local ID: aebf40d0-71ae-11dc-86ab-000ea68e967bOAI: oai:DiVA.org:ltu-11895DiVA, id: diva2:984845
Note
Validerad; 2007; 20071003 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Nordlund, MarkusLundström, Staffan

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  • apa
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  • de-DE
  • en-GB
  • en-US
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  • nn-NB
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  • Other locale
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