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Characterizing complex metal-CFRP-hybrid structures by thermography

: Schwarz, Michael; Hell, Alexander; Herrmann, Hans-Georg

Volltext (PDF; )

Maldague, X.P.V.:
QIRT 2020, 15th Quantitative InfraRed Thermography Conference. Online resource : Porto (Portugal), 21-30 September 2020, virtual conference
Online im WWW, 2020
ISSN: 2371-4085
Paper QIRT-2020-083, 2 S.
Quantitative InfraRed Thermography Conference (QIRT) <15, 2020, Online>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer IZFP ()
CFRP; hybrid structures; eddy current; thermoplastic

In this paper results of non-destructive testing of metal-CFRP-hybrid structures are shown. The hybrid samples vary from 2D to 3D geometry. As NDT-method active thermography with its excitation modes flash and induction through an eddy current coil are used. It is shown that artificial induced defects like pleats in the CFRP-layer and mechanically induced delaminations at the interface CFRP/thermoplastic can be detected. For the latter defect, a different damage behavior can be shown depending on the geometry.