Morphological development during injection molding of self-reinforcing composites. II: Numerical simulations and analytical predictions

Document Type

Article

Publication Date

12-1-2000

Abstract

In this study, combined numerical simulation of injection molding and analytical calculations have been used to determine the velocity and elongational strain in the advancing melt front (AMF) region, during the molding of PET/LCP blends, at various injection molding conditions. A model is proposed that establishes the relationship between the aspect ratio of LCP fibers and elongational strain, based on the assumption of an affine deformation of the LCP domains. This model enables us to predict the processing dependent morphology of injection molded PET/LCP blends. The effect of processing parameters on the morphology development during injection molding were investigated. The studies show that injection speed and mold temperature have significant effects on the morphological development of the blends, compared with the effect of the melt temperature. A good correlation between calculated and scanning electron microscopy results was obtained.

Identifier

0034488824 (Scopus)

Publication Title

Polymer Composites

External Full Text Location

https://doi.org/10.1002/pc.10251

ISSN

02728397

First Page

978

Last Page

987

Issue

6

Volume

21

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