Supporting Data for "Layer-Wise Evolution Mechanism of Down-Facing Surface Morphology for Support-Free Horizontal Overhangs in Laser Powder Bed Fusion"

This dataset contains the experimental and numerical data supporting the main results reported in the manuscript “Layer-Wise Evolution Mechanism of Down-Facing Surface Morphology for Support-Free Horizontal Overhangs in Laser Powder Bed Fusion”. The dataset includes experimental down-facing surface roughness data, surface height distribution data, first-layer sagging profile data, and melt pool simulation data.