Rheological characterization of discrete long glass fibre (LGF) reinforced thermoplastics

S. F. Bush, F. G. Torres, J. M. Methven

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

29 Citas (Scopus)


Three experimental techniques have been employed to assess the rheological behaviour of discrete long glass fibre reinforced polypropylene and propylene/ethylene copolymers. A Carri Med cone and plate rheogoniometer has been used to determine shear viscosity as a function of strain rate and time at temperatures relevant to the extrusion and injection moulding processes. A bubble inflation test (BIT) has been designed and used to characterize the behaviour of these composites under the extensional flow fields typical of blow moulding and thermoforming. Finally a squeeze load test (SLT), similar to those developed for sheet moulding compounds (SMC) and glass mat thermoplastics (GMT), has been used to explore the rheological behaviour of the long glass fibre (LGF) materials under compression moulding conditions, in particular to assess the relative importance of shear and extensional flow.

Idioma originalInglés
Páginas (desde-hasta)1421-1431
Número de páginas11
PublicaciónComposites Part A: Applied Science and Manufacturing
EstadoPublicada - dic. 2000
Publicado de forma externa


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