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Mathematical modeling of the pultrusion of epoxy based composites

✍ Scribed by A. Trivisano; A. Maffezzoli; J. M. Kenny; L. Nicolais

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
875 KB
Volume
10
Category
Article
ISSN
0730-6679

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✦ Synopsis

The thennokinetic and theological behavior of epoxy based composites during the pultrusion of carbon fiber composites is analyzed using a mathematical model accounting for the heat transfer and the heat generation charactetistics of polymerizable systems. An energy &nce and a kinetic expression for the chemical reaction are simultaneously solved to calculate the temperature and degree of reaction profiles. Ajlenvards the viscosity as a function of the degree of reaction is computed applying a theoretical model. The dimensionless mathematical model is applied to the description and optimization of the process variables. General optimization criteria are identijed and applied to compute, through a tailored numerical simuIQtion, the optimum set of processing conditions for different case studies corresponding to dinerent die temperatures, pulling speeds, and composite thicknesses.

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