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Modeling of crystallization kinetics in fiber reinforced composites
Author(s) -
Piorkowska Ewa
Publication year - 2001
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/1521-3900(200105)169:1<143::aid-masy143>3.0.co;2-1
Subject(s) - nucleation , crystallization , materials science , fiber , kinetics , composite material , crystallization of polymers , polymer , avrami equation , radius , critical radius , chemical engineering , thermodynamics , computer science , mathematics , geometry , physics , classical mechanics , computer security , curvature , engineering
The kinetics of spherulitic crystallization in fiber reinforced thermoplastics was determined by means of the theoretical model based on the statistical approach and by and the computer simulation of spherulitic crystallization. The computer simulation of the spherulites nucleation and growth was performed to verify the derived expressions and to visualize the polymer morphology. The obtained results indicate that the classic Avrami equation is inappropriate for the description of systems with fibers serving as additional nucleation sites. The kinetics of crystallization is governed by the nucleation inside a polymer matrix and at fiber surfaces as well as by fibers content and fiber radius. The developed model permits to predict the half‐time of crystallization in fiber reinforced systems.