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- Title
Effect of fiber content on the layer structure formation of fibers inside injection-molded products using short glass fiber-reinforced materials.
- Authors
Hamanaka, Senji; Nonomura, Chisato; Nguyen Thi, Thanh Binh; Yokoyama, Atsushi
- Abstract
This study aims to clarify the relationship between the layer structure transition of fibers caused by the change in the flow field and the thermal properties and fiber interaction when the glass fiber content is changed. Polyamide 6 samples with different short glass fiber contents were prepared, and changes in layer structure during the flow process of injection molding were compared using X-ray computed tomography. An injection-molding simulation was performed to compare the changes in the layer structure of fibers during the flow process, and the temperature distribution and shear rate distribution were obtained by numerical analysis. Furthermore, the effect of fiber interaction on the layer structure transition of fibers was considered using a relaxation function composed of the fiber content, fiber shape factor, and strain rate.
- Subjects
COMPUTED tomography; INJECTION molding; FIBERS; STRAIN rate; TEMPERATURE distribution
- Publication
Journal of Polymer Engineering, 2021, Vol 41, Issue 3, p235
- ISSN
0334-6447
- Publication type
Article
- DOI
10.1515/polyeng-2020-0272