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Advanced ultrasonic NDT of aero engine components using standard transducers and optimized mirrors

: Spies, M.; Bamberg, J.

Fulltext urn:nbn:de:0011-n-508589 (1.2 MByte PDF)
MD5 Fingerprint: d2761f709e792223033ec73a8a3d457d
Created on: 27.8.2009

Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V. -DGZfP-, Berlin; European Federation for Non-Destructive Testing -EFNDT-:
9th European Conference on NDT. ECNDT Berlin 2006. CD-ROM : September 25 - 29, 2006
Berlin: DGZfP, 2006 (DGZfP Proceedings BB 103-CD)
ISBN: 3-931381-86-2
European Conference on NDT (ECNDT) <9, 2006, Berlin>
Conference Paper, Electronic Publication
Fraunhofer IZFP ()
beam field; transducer; array; focal law; ultrasonic; imaging

The inspection of complex-shaped components can suffer from the fact that the area of interest can not be properly insonified due to restricted access. In such cases, mirrors can be applied to turn the ultrasonic beam onto the component's surface. In this paper, the optimization of such a mirror is illustrated for a specific application in aero engine inspection. Its shape has been designed to compensate the influence of the curved component surface on the ultrasonic beam field and to additionally achieve a focusing of the beam.