IMDEA Researchers Develop Multifunctional Kevlar Composite with Integrated Sensing and De-Icing Capabilities
BY Composights
Published: 21 May 2026
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Researchers at the IMDEA Materials Institute have developed a multifunctional Kevlar-based composite material capable of combining structural performance with integrated strain sensing, electromagnetic interference (EMI) shielding, and de-icing capabilities.
The material system uses laser-induced graphene (LIG) generated directly onto Kevlar fabric surfaces through laser photothermal processing before being integrated into basalt fiber and bio-based epoxy composite laminates using vacuum infusion manufacturing. The approach enables multiple functional capabilities to be incorporated into the composite structure without requiring additional external components or sensor layers.
According to the researchers, the multifunctional composite demonstrated stable electrical conductivity alongside integrated strain sensing with a gauge factor of approximately 1.0. The material also achieved electromagnetic shielding performance across the 0.5-5 GHz frequency range while supporting Joule-heating-based de-icing functionality. During testing, the system generated surface temperatures above 50 C at low voltage and successfully removed ice under -40 C conditions within five minutes.
Mechanical testing showed that the integration of the laser-induced graphene layer did not significantly compromise structural integrity. The tensile modulus increased from 20.4 GPa to 22.0 GPa following incorporation of the multifunctional reinforcement layer, while tensile strength reduction remained minimal.
Kevlar-based multifunctional composites are attracting increasing attention in aerospace, mobility, and energy applications where structural materials are expected to simultaneously provide sensing, thermal management, and electromagnetic protection capabilities. Integrating these functions directly into composite laminates can reduce system weight and simplify structural architectures compared with conventional add-on solutions.
The development reflects broader momentum toward multifunctional composite materials capable of combining lightweight structural performance with embedded smart functionalities for next-generation aerospace, transportation, and industrial systems.
Source : IMDEA | News
