Polymerization study and rheological behavior of a RTM6 epoxy resin system during preprocessing stepReportar como inadecuado




Polymerization study and rheological behavior of a RTM6 epoxy resin system during preprocessing step - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

1 CIRIMAT - Centre interuniversitaire de recherche et d-ingenierie des matériaux 2 IRT Saint Exupéry - Institut de Recherche Technologique

Abstract : Curing process and rheological behaviors of a monocomposant epoxy resin used in structural aeronautic applications are investigated. This study helped settle the basic parameters in order to optimize the infusion process of carbon fibers in an epoxy matrix. The effect of carbon nanotube dispersion during the preinjection step is also studied to improve electrical behavior of composite parts. The curing process has been analyzed at isothermal temperature using differential scanning calorimetry technique. Viscosity measurements were achieved with a Couette geometry, suitable for low viscosity resin. A shear-thinning effect caused by adding CNTs in the epoxy matrix is detected. It is more pronounced at high temperature for increasing CNT mass content.

Keywords : Nano composites Epoxy resin Carbon nanotubes Shear viscosity Curing





Autor: Nicolas Causse - Stéphanie Benchimol - Lilian Martineau - Delphine Carponcin - Antoine Lonjon - Mathieu Fogel - Jany Dandurand -

Fuente: https://hal.archives-ouvertes.fr/



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