Study and modeling of heat transfer during the solidification of semi-crystalline polymers |
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Authors: | R Le Goff G Poutot D Delaunay R Fulchiron E Koscher |
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Affiliation: | aLaboratoire de Thermocinétique de l’école polytechnique de l’université de Nantes, UMR CNRS 6607, rue Christian Pauc, BP 50609 44306 Nantes cedex 3, France;bLaboratoire des Matériaux Polymères et des Biomatériaux, IMP/UMR CNRS 5627, Université Claude Bernard, Lyon 1, 69622 Villeurbanne Cedex, France |
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Abstract: | Semi-crystalline polymers are materials whose behavior during their cooling is difficult to model because of the strong coupling between the crystallization, heat transfer, pressure and shear. Thanks to two original apparatus we study solidification of such a polymer without shear. Firstly the comparison between experimental results and a numerical model will permit to validate crystallization kinetic for cooling rate reachable by DSC. The second experiment makes it possible to analyze solidification for high cooling rate, corresponding to some manufacturing processes. It appears that crystallization has an influence on the thermal contact resistance. |
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Keywords: | Semi-crystalline polymers Crystallization Thermal contact resistance |
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