Resin Transfer Molding (RTM) process in the manufacturing of a composite cylinder is investigated. Resin flow in the woven fiber mat is modeled as flow through porous media to determine resin velocity and pressure distribution along the part. Five-harness carbon and eight-harness fiberglass mats with epoxy resin composites are investigated. Fiber mat permeability for the two fiber types are determined experimentally. These values are then employed in numerical models to simulate the injection cycle of the RTM process. ANSYS finite element software is used to perform the analysis. The results indicate that resin velocity in fiberglass mats is almost six times the velocity in carbon fiber mats. This is due to the higher permeability of fiberglass mats. The sharp drop in the resin velocity into carbon fibers indicates that flow problems will exist in the manufacturing of large carbon/epoxy parts with RTM processes.
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ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems
July 17–22, 2005
San Francisco, California, USA
Conference Sponsors:
- Heat Transfer Division and Electronic and Photonic Packaging Division
ISBN:
0-7918-4733-0
PROCEEDINGS PAPER
Resin Velocity and Pressure Distribution in Resin Transfer Molding of a Composite Cylinder Available to Purchase
Hossein Golestanian
Hossein Golestanian
University of Shahr-E-Kord, Shahr-E-Kord, Iran
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Hossein Golestanian
University of Shahr-E-Kord, Shahr-E-Kord, Iran
Paper No:
HT2005-72359, pp. 327-332; 6 pages
Published Online:
March 9, 2009
Citation
Golestanian, H. "Resin Velocity and Pressure Distribution in Resin Transfer Molding of a Composite Cylinder." Proceedings of the ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. Heat Transfer: Volume 3. San Francisco, California, USA. July 17–22, 2005. pp. 327-332. ASME. https://doi.org/10.1115/HT2005-72359
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