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Multi-scale modeling and simulation of thermoplastic automated tape placement: Effects of metallic particles reinforcement on part consolidation

Article dans une revue avec comité de lecture
Author
LEÓN, Angel
111023 École Centrale de Nantes [ECN]
206040 Laboratoire Lorrain de Recherche en Informatique et ses Applications [LORIA]
PEREZ, Marta
10921 Institut de Recherche en Génie Civil et Mécanique [GeM]
111023 École Centrale de Nantes [ECN]
301486 Telefonica Group
310073 Hospital Universitario Ramón y Cajal [Madrid]
BARASINSKI, Anaïs
10921 Institut de Recherche en Génie Civil et Mécanique [GeM]
DEFOORT, Brigitte
535110 ArianeGroup
ccABISSET-CHAVANNE, Emmanuelle
1002421 Institut de Mécanique et d'Ingénierie [I2M]
ccCHINESTA SORIA, Francisco
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/15775
DOI
10.3390/nano9050695
Date
2019
Journal
Nanomaterials

Abstract

This paper concerns engineered composites integrating metallic particles to enhance thermal and electrical properties. However, these properties are strongly dependent on the forming process itself that determines the particle distribution and orientation. At the same time, the resulting enhanced thermal properties affect the reinforced resin viscosity whose flow is involved in the intimate contact evolution. Thus, a subtle and intricate coupling appears, and the process cannot be defined by ignoring it. In this paper, we analyze the effects of particle concentration and orientation on the process and processability. For this purpose, three main models are combined: (i) a multi-scale surface representation and its evolution, by using an appropriate numerical model; (ii) flow-induced orientation, and (iii) the impact of the orientation state on the homogenized thermal conductivity.

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