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High resolution radio frequency inspection of carbon fiber composites

: Heuer, Henning; Schulze, Martin; Pooch, Matthias


Institute of Electrical and Electronics Engineers -IEEE-:
21st International Conference on Microwave, Radar and Wireless Communications, MIKON 2016 : 9-11 May 2016, Krakow, Poland
Piscataway, NJ: IEEE, 2016
ISBN: 978-1-5090-2214-4
4 pp.
International Conference on Microwave, Radar and Wireless Communications (MIKON) <21, 2016, Krakow>
Conference Paper
Fraunhofer IKTS ()
carbon fibre reinforced composites; conducting materials

Eddy current testing is well established for non-destructive testing of electrical conductive materials. The development of radio frequency (RF) eddy current technology with frequency ranges up to 100 MHz made it possible to extend the classical fields of application even towards less conductive materials like CFRP. It turns out that RF eddy current technology on CFRP generates a growing number of valuable information for comprehensive material diagnostic. Both permittivity and conductivity of CFRP influence the complex impedance measured with RF eddy current devices.