Enhancing CFRP functionalities with reduced graphene oxide films: advancements in smart materials for digital twins and AI-based NDE

Rapisarda, M., Scarselli, G., Avdelidis, N. and Meo, M. (2025) Enhancing CFRP functionalities with reduced graphene oxide films: advancements in smart materials for digital twins and AI-based NDE. Yu, Tzuyang, Gyekenyesi, Andrew L., Shull, Peter J. and Wu, H. Felix (eds.) In Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XIX. vol. 13436, SPIE.. (doi:10.1117/12.3053217).

Abstract

This study explores the functionalization of Carbon Fibre Reinforced Plastics (CFRPs) through the incorporation of a Reduced Graphene Oxide (RGO) film as a multifunctional coating. The integration of RGO films enhances surface properties such as electrical and thermal conductivity, thereby broadening the operational capabilities of composite structures. Additionally, this research examines the potential for built-in functionalities, including live strain sensing and DC-biased thermography. Experimental results from three-point bending tests indicate that the RGO films have a negligible impact on the flexural properties of CFRP laminates, while ensuring robust adhesion between the coating and the substrate. These advancements contribute to the development of smart materials and sensors, facilitating enhanced structural health monitoring and non-destructive evaluation in industrial applications. This paves the way for integrating CFRP structures with digital twins for performance monitoring and AI-based damage detection using NDE techniques.

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Contributors

Author: G. Scarselli

Author: N. Avdelidis

Author: M. Meo

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