14 August 2003 Self-healing structural composites with electromagnetic functionality
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Abstract
We have incorporated arrays of conductive electromagnetic scattering elements such as straight copper wires and copper coils into fiber-reinforced polymer composites, resulting in materials with required structural and further electromagnetic functionality. The scattering elements provide controlled electromagnetic response for tasks such as filtering and may be used to tune the overall index of refraction of the composite. Integration of these metallic elements into traditional fiber-reinforced polymer composites has introduced other opportunities for multifunctionality in terms of self-healing, thermal transport and perhaps sensing applications. Such functionalities are the result of fiber/wire integration through textile braiding and weaving, combined with a new polymer matrix that has the ability to heal internal cracking through thermo-reversible covalent bonds. Multifunctional composites of this kind enhance the role of structural materials from mere load-bearing systems to lightweight structures of good thermo-mechanical attributes that also have electromagnetic and other functionalities.
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Thomas A. Plaisted, Thomas A. Plaisted, Alireza Vakil Amirkhizi, Alireza Vakil Amirkhizi, Diego Arbelaez, Diego Arbelaez, Syrus C. Nemat-Nasser, Syrus C. Nemat-Nasser, Sia Nemat-Nasser, Sia Nemat-Nasser, "Self-healing structural composites with electromagnetic functionality", Proc. SPIE 5054, Smart Structures and Materials 2003: Industrial and Commercial Applications of Smart Structures Technologies, (14 August 2003); doi: 10.1117/12.483894; https://doi.org/10.1117/12.483894
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