Abstract
On the basis of superminiature eddy current transducer, a measuring system is designed that allows scanning of composite materials for detection of small defects. The results of the study of discontinuity defects simulated in metal-polymer layered composites of aluminum-polyethylene-aluminum systems up to 10-layer composite are described. Composites were made by alternating layers of aluminum or copper foil, 20…100 µm thick, with layers of a film, 20 µm thick. Defects in the structure of the material were modeled by skipping or increasing the number of separate layers, and defects in continuity and bridges were modeled by cutting a round or rectangular hole in the foil or dielectric layer. Visual images of model defects are obtained by Fourier-transformer of the IENM-5FA device. The dependence of the eddy current transducer signal on the presence of a defect in the layered structure is established.
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Dmitriev, S., Ishkov, A., Grigorev, A., Shevtsova, L., Malikov, V. (2020). Scanning the Layered Composites Using Subminiature Eddy-Current Transducers. In: Murgul, V., Pasetti, M. (eds) International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies EMMFT 2018. EMMFT-2018 2018. Advances in Intelligent Systems and Computing, vol 982. Springer, Cham. https://doi.org/10.1007/978-3-030-19756-8_66
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DOI: https://doi.org/10.1007/978-3-030-19756-8_66
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