Journal
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES
Volume 29, Issue 16, Pages 3214-3221Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1045389X18758193
Keywords
Electromechanical impedance; time-domain spectral element method; carbon fibre-reinforced polymer
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Funding
- project titled 'Excitation and control of mechanical waves in nonlinear media' [DEC-2013/10/A/ST8/00071]
- project titled 'Investigation of piezoelectric sensors placement and their interaction with the construction elements' [DEC-2016/22/E/ST8/00068]
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The research focuses on the electromechanical impedance method. The electromechanical impedance method can be treated as non-destructive testing or structural health monitoring approach. It is important to have a reliable tool that allows verifying the integrity of the investigated objects. The electromechanical impedance method was applied here to assess the carbon fibre-reinforced polymer samples. The single and adhesively bonded samples were investigated. In the reported research, the electromechanical impedance spectra up to 5 MHz were considered. The investigation comprised of modelling using spectral element method and experimental measurements. Numerical and experimental spectra were analysed. Differences in spectra caused by differences in considered samples were observed.
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