Numerical simulation of polyester coextrusion: Influence of the thermal parameters and the die geometry on interfacial instabilities

Numerical simulation of polyester coextrusion: Influence of the thermal parameters and the die geometry on interfacial instabilities

The polymer coextrusion process is a new method of sheet metal lining. It allows to substitute lacquers for steel protection in food packaging industry. The coextrusion process may exhibit flow instabilities at the interface between the two polymer layers. The objective of this study is to check the...

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Hauptverfasser: Mahdaoui, O, Agassant, J-F, Laure, P, Valette, R, Silva, L
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Agassant, J-F
Laure, P
Valette, R
Silva, L
description The polymer coextrusion process is a new method of sheet metal lining. It allows to substitute lacquers for steel protection in food packaging industry. The coextrusion process may exhibit flow instabilities at the interface between the two polymer layers. The objective of this study is to check the influence of processing and rheology parameters on the instabilities. Finite elements numerical simulations of the coextrusion allow to investigate various stable and instable flow configurations.
doi_str_mv 10.1063/1.2729623
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identifier ISSN: 0094-243X
ispartof 10th Esaform Conference on Material Forming: Part A(AIP Conference Proceedings Volume 907), 2007, Vol.907, p.873-878
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source AIP Journals Complete
subjects Engineering Sciences
Materials
title Numerical simulation of polyester coextrusion: Influence of the thermal parameters and the die geometry on interfacial instabilities
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