On the prediction of crystallinity distribution in injection molded semi-crystalline thermoplastics

Document Type

Article

Publication Date

6-8-2002

Abstract

Injection molded semi-crystalline thermoplastic parts show variable morphologies across their thickness. Process parameters such as injection speed, mold temperature, and melt temperature, play an important role in forming these morphologies. The heat and shear history has a great effect on the crystallization process of the semi-crystalline plastics. In this study, different available crystallization models were used to predict the crystallinity distribution, and capabilities of the models compared. Based on the results from these models, a more realistic model, which considers stress relaxation during the crystallization process, is proposed.

Identifier

0036266707 (Scopus)

Publication Title

Journal of Reinforced Plastics and Composites

External Full Text Location

https://doi.org/10.1177/0731684402021006829

ISSN

07316844

First Page

497

Last Page

506

Issue

6

Volume

21

Fund Ref

State of New Jersey Commission on Science and Technology

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