2D sensor arrays with integrated eddy current electronics plugged to a notebook via USB. Power supply directly from USB.

Auf dem Testkörper zeigt das ebene 2D-Array die Wanddickenreduktionen quantifizierbar an.

Results of simulated corrosion

Hidden pores below the surface.

Idea: The array is moved between two images by 1/6 of the probe spacing. All images are superimposed so that the gaps between the probes are filled.
Left: current image
Right: weighted resultant image
Reference: engraved Al sheet (see  1D-Arrrays).

2D sensor array on an aluminium hemisphere. The sequence was derived from a reference piece with hidden flat bottom holes.

MicroScanning

Single sensor mode, engraving on top

Pitch-catch mode, engraving on bottom of 1 mm Al sheet

Master_OvGU_weiss.jpg

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Eddy current imaging

 

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