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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/).
SEM micrograph of the etched as-printed IN718 in the horizontal plane showing: (a) the laser beam track and scanning strategy; (b) high magnification view for the area marked in (a); (c–e) changes in the dendrite directions in the horizontal overlapping zone as indicated in (b).