NDLI: Rheological modeling and forming process simulation of CNT nanocomposites

Content Provider	Springer Nature Link
Author	Cueto, Elias Monge, Rosa Chinesta, Francisco Poitou, Arnaud Alfaro, Iciar Mackley, Malcolm R.
Copyright Year	2009
Abstract	This paper is concerned with the rheological modelling of untreated Carbon Nanotubes (CNTs) suspended within an epoxy resin and its application in nanocomposites forming processes. The untreated CNT suspensions exhibited significant steady shear-thinning and contained optically resolvable aggregate structures. A simple orientation model, based on a Fokker-Planck advection–diffusion description, failed to capture the experimentally observed rheological responses for untreated CNT suspensions. A new model named the “Aggregation/Orientation” (AO) model has been developed to describe the experimental findings. The model integrated elements of both a standard orientation model and aggregation modelling concepts within the Fokker-Planck formalism. However, the proposed model has different weakness; the most important concerns the affine orientation of tubes with the fluid deformation independently of the state of aggregation. This mechanism seems to be in opposition to the experimental observations. In this paper we propose an alternative rheological model that is then employed for simulating film processing by employing spin coating.
Starting Page	1327
Ending Page	1338
Page Count	12
File Format	PDF
ISSN	19606206
Journal	International Journal of Material Forming
Volume Number	3
Issue Number	2
e-ISSN	19606214
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-10-14
Publisher Place	Paris
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon nanotube suspensions Kinetic theory Meshless methods Natural element method Spin coating Computer-Aided Engineering (CAD, CAE) and Design Computational Intelligence Mechanical Engineering Manufacturing, Machines, Tools Materials Science Operating Procedures, Materials Treatment
Content Type	Text
Resource Type	Article
Subject	Materials Science

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