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Artículo

A novel numerical model for the interaction between the solidification front of a semicrystalline polymer and spherical particles

Agaliotis, Eliana MabelIcon ; Vázquez, AnalíaIcon ; Bernal, Celina RaquelIcon
Fecha de publicación: 10/2018
Editorial: John Wiley & Sons Inc
Revista: Polymer Crystallization
ISSN: 2573-7619
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
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Resumen

The interaction between a solidification front of a semicrystalline polymer and a spherical particle is a topic of main interest because it addresses particle dispersion/distribution and materials behavior associated with this issue. In this paper, this interaction is investigated from numerical analyses by a computational fluid dynamics model that employs the shape of the interface to calculate drag and repulsion forces. The results obtained in turn are used to determine the conditions under which the particle is dragged by the solidification front. This is employed then to predict critical solidification front velocities for pushing as a function of particle size. The results shows that the numerical model developed here is able to accurately predict the conditions for particle pushing in semicrystalline polymers. The required cooling conditions which lead to a redistribution of the particles below 50 µm of radius during solidification in polymer composites and blends can be determined with the proposed model.
Palabras clave: CRYSTALLIZATION , POLYPROPYLENE , SIMULATION , PUSHING
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/96106
DOI: https://doi.org/10.1002/pcr2.10011
URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/pcr2.10011
Colecciones
Articulos(ITPN)
Articulos de INSTITUTO DE TECNOLOGIA EN POLIMEROS Y NANOTECNOLOGIA
Citación
Agaliotis, Eliana Mabel; Vázquez, Analía; Bernal, Celina Raquel; A novel numerical model for the interaction between the solidification front of a semicrystalline polymer and spherical particles; John Wiley & Sons Inc; Polymer Crystallization; 1; 3; 10-2018; 1-7
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