A Simulation Approach to Crystallinity Gradients Developed in the Injection Molding Process of Slowly Crystallizing Polymers-Reference-Cited by-同舟云学术

A Simulation Approach to Crystallinity Gradients Developed in the Injection Molding Process of Slowly Crystallizing Polymers

Published:2000-03 Issue:5 Volume:19 Page:377-395
ISSN:0731-6844
Container-title:Journal of Reinforced Plastics and Composites
language:en
Short-container-title:Journal of Reinforced Plastics and Composites

Author:

Sheng Qin¹,Duan Shangyu,Hsiung Chang-Meng²

Affiliation:

1. Department of Mathematics, University of Southwestern Louisiana, Lafayette, LA 70504-1010

2. Chemical Engineering Department, University of Southwestern Louisiana, Lafayette, LA 70504-4172

Abstract

A modified three-dimensional (3D) rectilinear flow model is considered to study and analyze crystallinity gradients of slowly crystallizing polymers, such as syndiotactic polystyrene (s-PS) and poly (p-phenylene sulfide) (PPS), developed during the injection molding process. A slit mold is used. Highly efficient computational procedures are achieved through a specially designed order-two parallel splitting formula. Detailed three dimensional crystallinity distribution, together with the temperature, pressure and velocity profiles, is predicted through the simulation and compared with experimental results with satisfaction. The computational method developed can be further generalized for more complicated flow model problems in irregular injection molds.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/073168440001900503

Reference15 articles.

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4. A Rectilinear Flow Model Approach to the Simulation of Injection Molding Process

5. 5. Hsiung, C. M. and Q. Sheng. 1997. Proc. 4th International Conf. on Composites Engineering, p. 445-445.