Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5439758 | Composites Part A: Applied Science and Manufacturing | 2017 | 12 Pages |
Abstract
In Resin Transfer Molding (RTM) process, pre-designed channels branching out like runners from the injection port can be used for faster resin distribution and impregnation as compared to traditional single gate injection to reduce the mold filling time. To search for the optimal channel design for maximum fill time reduction, the Medial Axis (MA) of the part surface is defined. Next, a methodology is developed to search for the topology of the MA using Finite Element based mold filling simulation software. The MA location is corrected for a part with non-homogeneous fabric permeability. Finally, some case studies are presented to illustrate the effectiveness and accuracy of the channel design approach for RTM with the objective of minimizing fill time, when fabricating composite parts that contain complexities in both the geometric features such as compound curvatures and corners and in material properties such as non-homogeneous and highly anisotropic fiber preform permeability.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
J. Wang, P. Simacek, S.G. Advani,