Abstract
Morphological models for polymer crystallization under isothermal and temperature gradient conditions with a particle level set method are proposed. In these models, the particle level set method is used to improve the accuracy in studying crystal interaction. The predicted development of crystallinity during crystallization under quiescent isothermal condition by our model is reanalyzed with the Avrami model, and good agreement between the predicted and theoretical values is observed. In the temperature gradient, the computer simulation results with our model are consistent with the experiment results in the literature.
Highlights
The final properties of a product produced from semi-crystalline polymer are to a great extent determined by the final internal microstructure [1,2]
In order to obtain the internal microstructure of polymer products, different approaches have been proposed for morphological modeling of polymer crystallization by researchers [7,8,9,10,11,12]
Because there already exist many particles in the particle level set method and the accuracy of the level set method to correct any volume loss that resulted from advecting the level set
Summary
The final properties of a product produced from semi-crystalline polymer are to a great extent determined by the final internal microstructure [1,2]. This final internal microstructure, in turn, is determined by the crystallization/processing conditions. It is very important to accurately model the solidification process and predict the final microstructure formed under different processing conditions. In order to obtain the internal microstructure of polymer products, different approaches have been proposed for morphological modeling of polymer crystallization by researchers [7,8,9,10,11,12]. Raabe and Godara [9]
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