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Quantitative flaw sizing using 3D-CAD Ray-SAFT

: Schmitz, V.; Chakhlov, S.V.; Kröning, M.

Progress in natural science 11 (2001), May, pp.140-144
ISSN: 1002-0071
International Workshop on Modern Acoustics (NDE) < 8, 2000, Nanjing/China>
Conference Paper, Journal Article
Fraunhofer IZFP ()
3D-RAY-SAFT; Synthetic Aperture Focusing Technique; Ray-SAFT

In sizing defects, tomographic methods such as the Syntehtic Aperture Focusing Technique (SAFT) can be used where the time of flight of the received ultraonic signals plays a more important role than the signal amplitude height. There are two main featrues of the software, a simulation module, which allows generation of a CAD-drawing of the component to place and automatically scan the search unit, to introduce artificial flowas, and to trace the reflected and mode -converted waves and the reconstruction module based on the principles of SAFT, which allows the generation of 2- and/or 3-dimensional reconstructions of plates, piping, or nozzle-to-shell configurations. For a complex component geometry, the CAD-module can generate the component contour based on measured data and perform data reconstruction by using the actual shape of the real component.