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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Scan maps of the inspection results in terms of the impedance magnitude of the array test in a relevant speed condition, 0.5 m/s. (a) 2D plot of the inspection result with the notch and weld bead indication; and (b) 3D visualization of the inspection result.