18 July 2023

Taking into account the uneven surface when obtaining an image of reflectors using the digital focusing antenna (CFA) method

In preparation for ultrasonic testing, the surface of the object is often subjected to mechanical treatment, for example, to remove protective paints. As a result, many depressions can form on the surface with a depth of up to several millimeters and a length of several tens of millimeters, which, when conducting coherent ultrasonic inspection of surface irregularities, can noticeably distort the reconstructed image of discontinuities.

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