Monitoring large structures is gaining a lot of interest, diagnosis and prognosis methods, as well as sensors based on different physical principles being developed. The monitoring is in tight connection with the nondestructive examination. This paper presents a new type of passive wireless sensors for monitoring of strain-stress having a special type of metamaterial as sensitive element, namely a split ring resonator. In order to increase the sensitivity and the tuning on a desired interrogation frequency, self-assembled layer-by-layer single wall carbon nanotubes/graphene method is used. In the same time, radio-frequency identification (RFID) tag, an essential element for wireless sensors, can be realized using split ring resonators.
Metamaterial Sensors for Structural Health Monitoring
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Savin, A, Steigmann, R, & Dobrescu, G. "Metamaterial Sensors for Structural Health Monitoring." Proceedings of the ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. Volume 2: Dynamics, Vibration and Control; Energy; Fluids Engineering; Micro and Nano Manufacturing. Copenhagen, Denmark. July 25–27, 2014. V002T07A027. ASME. https://doi.org/10.1115/ESDA2014-20596
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