Abstract
The predictive modeling of non-isothermal crystallization of polyoxymethylene (POM) melt was proposed based on an isothermal crystallization experiment. The development of crystallinity and crystallization morphological evolution was simulated by considering the process of crystallization includes the three steps: nucleus, growth and ripening and the pre-ripened degree was considered explicit simultaneously. Double-scale computational modeling of the solidification phase transition of the semi-crystalline polymer POM melt was then numerical implemented. The heat flow equation coupling the evolution of crystallinity was computed by the finite different numerical method. The result of the cooling stage of POM melt shows the method can produce more visual information about the processing of crystallize and a relative reasonable detail about the temperature field.
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