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Applying Resin Radial Injection For Manufacturing Fiber-reinforced Polymer Composite: Advanced Mathematical Modeling And Simulation.

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Applying Resin Radial Injection For Manufacturing Fiber-reinforced Polymer Composite: Advanced Mathematical Modeling And Simulation.

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Applying Resin Radial Injection for Manufacturing Fiber-Reinforced Polymer Composite: Advanced Mathematical Modeling

Joel S Oliveira¹, Laura H Carvalho¹, João M P Q Delgado²

¹Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, PB, Brazil.

|January 8, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

This study models resin radial flow in fibrous preforms during liquid composite molding (LCM), accounting for resin sorption. The findings improve predictions for complex composite part manufacturing.

Keywords:

RTM analytical and numerical simulation composite fluid flow porous media

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Area of Science:

Materials Science
Chemical Engineering
Polymer Science

Background:

Liquid composite molding (LCM) is crucial for complex fiber-reinforced polymer composites.
Resin transfer molding (RTM) models often neglect resin sorption by fibers.

Purpose of the Study:

To predict resin radial flow in porous media, incorporating fiber sorption effects.
To develop a one-dimensional model for enhanced flow behavior prediction.

Main Methods:

Utilized a mass conservation equation coupled with Darcy's law for modeling.
Solved the coupled equations to simulate resin infiltration in fibrous preforms.

Main Results:

Presented transient flow front location, velocity, and pressure predictions.

Analyzed the impact of resin viscosity, fiber sorption, permeability, porosity, injection pressure, and radius.

Conclusions:

The developed model accurately predicts resin flow behavior in porous media.
Incorporating resin sorption is vital for precise composite manufacturing simulations.