In this work, a finite model able to evaluate the evolution of resin pressure as a function of temperature and degree of reaction, accounting for viscosity changes, during autoclave cure cycles has been developed. The model also includes a kinetic and rheological model whose input parameters have been experimentally determined by Differential Scanning Calorimetry and rheological analysis. The predicted resin pressure for different lay up, including breather thickness, and for different cure cycles has been compared with the results of experimental characterization of void evolution.

Pressure and void evolution during autoclave curing of epoxy matrix composites

LIONETTO, Francesca;MAFFEZZOLI, Alfonso
2016

Abstract

In this work, a finite model able to evaluate the evolution of resin pressure as a function of temperature and degree of reaction, accounting for viscosity changes, during autoclave cure cycles has been developed. The model also includes a kinetic and rheological model whose input parameters have been experimentally determined by Differential Scanning Calorimetry and rheological analysis. The predicted resin pressure for different lay up, including breather thickness, and for different cure cycles has been compared with the results of experimental characterization of void evolution.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11587/412829
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