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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-23 18:26 |
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Conference: Bucharest University Faculty of Physics 2002 Meeting
Section: Polymer Physics
Title:
Effect of Specimen Thickness on Crystallization Rate
Authors:
V.Barna , A. Elena, D.Nedelcu
Affiliation:
University of Bucharest, Faculty of Physics
E-mail
Keywords:
Abstract:
In the lore of crystallization studies, there is the general experience that overall crystallization rates measured on bulk specimens (e.g., via DSC or X-ray diffraction) are higher than those measured from thin films (e.g., via small-angle light scattering or by IR).This problem has been addressed in the recent past by detailed modeling of the nucleation, growth, and truncation of spherulites present within the film. The present work addresses the same problem by a different route, modifying the Avrami equation by expunging the effects of spherulites which would have existed beyong the surface of the film.
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