Reverse engineering of ECT probes for nondestructive evaluation of moving conductors

Numerical modeling of commercial ECT equipment requires preparatory work in reverse engineering. The reconstruction of given ECT probes was performed in terms of (i) geometry, (ii) material properties and source parameters, (iii) impedance computation. High-resolution X-ray images were taken in orde...

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Bibliographic Details
Main Authors: Porzig Konstantin, Carlstedt Matthias, Ziolkowski Marek, Brauer Hartmut, Toepfer Hannes
Format: Conference Proceeding
Language:English
Subjects:
Conductors
Flux density
Image resolution
Impedance
Magnetic flux
Magnetic permeability
Magnetic shielding
Material properties
Mathematical models
Nondestructive testing
Reverse engineering
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Summary:Numerical modeling of commercial ECT equipment requires preparatory work in reverse engineering. The reconstruction of given ECT probes was performed in terms of (i) geometry, (ii) material properties and source parameters, (iii) impedance computation. High-resolution X-ray images were taken in order to build appropriate CAD models of given ECT probes. An optimization strategy was applied in order to estimate the permeability of the magnetic shield as well as the supply current by means of measurement data of the magnetic flux density. Subsequently, normalized impedance calculations were performed and compared to measurements in generic benchmark models containing artificial defects.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4865003