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Abstract

This work assessed the viability of co-infusing a thermoset resin and liquid coating formulations for the in-mold coating of composite components manufactured by the resin infusion between double tooling (RIDFT) process. Material trade studies conducted to resolve the compatibility issues of the separation layer and coating material were successful. The modifications of the RIDFT—IMC assembly succeeded in eliminating the risk of premature fiber wetting during coating material infusion. Experiments were conducted to determine the best manufacturing conditions for production of a viable RIDFT—IMC component. The results indicate that reducing the coating exposure to heat yielded in improved surface characteristics. Microstructural examination further confirmed that the coating did not infiltrate the fiber—resin interface.

Keywords

coating resin infusion polymer-matrix composites scanning electron microscopy.

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References

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Experimental Evaluation of Co-Infusion as a Viable Method for In-Mold Coating of Composite Components

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