Formation and Evolution of Surface Morphology in Overhang Structure of IN718 Superalloy Fabricated by Laser Powder Bed Fusion

Haotian Zhou, Haijun Su, Yinuo Guo, Yuan Liu, Di Zhao, Peixin Yang, Zhonglin Shen, Le Xia, Min Guo

Fig. 2 a Front view of the samples at the overhang angle 45°; b side view of the samples at the overhang angle 45°; c schematic of the scanning strategy and the surface morphology; d the actual printed overhang sample diagram