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Potentials of optical damage assessment techniques in automotive crash-concepts composed of FRP-steel hybrid material systems

 
: Dlugosch, M.; Spiegelhalter, B.; Soot, T.; Lukaszewicz, D.; Fritsch, J.; Hiermaier, S.

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Volltext (PDF; )

Wahab, M.A. ; Institute of Physics -IOP-, London:
12th International Conference on Damage Assessment of Structures, DAMAS 2017. Proceedings : Kitakyushu, Japan, 10-12 July 2017
London: IOP, 2017 (Journal of physics. Conference series 842)
ISBN: 978-1-5108-4186-4
Art. 012044, 13 S.
International Conference on Damage Assessment of Structures (DAMAS) <12, 2017, Kitakyushu>
Englisch
Konferenzbeitrag, Elektronische Publikation
Fraunhofer EMI ()

Abstract
With car manufacturers simultaneously facing increasing passive safety and efficiency requirements, FRP-metal hybrid material systems are one way to design lightweight and crashworthy vehicle structures. Generic automotive hybrid structural concepts have been tested under crash loading conditions. In order to assess the state of overall damage and structural integrity, and primarily to validate simulation data, several NDT techniques have been assessed regarding their potential to detect common damage mechanisms in such hybrid systems. Significant potentials were found particularly in combining 3D-topography laser scanning and X-Ray imaging results. Ultrasonic testing proved to be limited by the signal coupling quality on damaged or curved surfaces.

: http://publica.fraunhofer.de/dokumente/N-455818.html