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Simulation and Experimental Investigation of the LRI Process for Particle-Filled Resins in Aerostructure Applications

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Abstract:

This work primarily focuses on the development and simulation of the Liquid Resin Infusion (LRI) process for particle-filled resins, aiming to impart additional functionalities to composite parts. The paper presents both the simulation development and the experimental tests used to establish physics-based models. The main challenge lies in understanding how particle addition affects the resin flow process. The introduction of particles increases resin viscosity, which in turn influences flow behaviour. Moreover, particle filtration by the fibrous medium changes its permeability, thereby impacting both flow dynamics and particle distribution. The materials used in the infusion process are experimentally characterised, and the resulting parameters served as inputs for the LRI process simulations. Constitutive behavior laws are implemented within the simulation tool. Simulations are then conducted using all characterized inputs and models for validation purposes. These validated models are subsequently employed to assess the infusion process performance.

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Periodical:

Materials Science Forum (Volume 1182)

Pages:

125-134

DOI:

https://doi.org/10.4028/p-2Og3qz

Citation:

Cite this paper

Online since:

April 2026

Authors:

Nihad Siddig*, Mohamed Mtibaa, Marie Coupé, Alexandre Guinoiseau

Keywords:

Composite, Liquid Resin Infusion (LRI), Particle-Filled Resins, Simulation

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Creative Commons CC BY 4.0

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* - Corresponding Author

References

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