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Particle deposition mechanisms during processing of advanced composite materials
SICOMP AB, Swedish Institute of Composites.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Strömningslära och experimentell mekanik.ORCID-id: 0000-0002-1033-0244
2007 (engelsk)Inngår i: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, E-ISSN 1878-5840, Vol. 38, nr 10, s. 2182-2193Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2007. Vol. 38, nr 10, s. 2182-2193
HSV kategori
Forskningsprogram
Strömningslära
Identifikatorer
URN: urn:nbn:se:ltu:diva-11895DOI: 10.1016/j.compositesa.2007.06.009ISI: 000250946500012Scopus ID: 2-s2.0-34848927453Lokal ID: aebf40d0-71ae-11dc-86ab-000ea68e967bOAI: oai:DiVA.org:ltu-11895DiVA, id: diva2:984845
Merknad
Validerad; 2007; 20071003 (ysko)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Nordlund, MarkusLundström, Staffan

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