Toward Voxel Level Control for Laser Powder Bed Fusion Additive Manufacturing Processes

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Yeung, Ho
Neira, Jorge

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University of Texas at Austin


In the Laser Powder Bed Fusion (LPBF) additive manufacturing (AM) process, a highspeed scanning laser beam is employed to construct components by melting and fusing metal powder together. While AM is generally characterized as a layer-by-layer technique, LPBF builds can also be conceptualized on a voxel-by-voxel basis, utilizing a point laser heating source. As a result, managing the LPBF process at the voxel level – that is, focusing on individual 3D printing elements or volume pixels – will be highly beneficial. In this study, we will explore the laser control requirements necessary for achieving voxel-level precision in the LPBF process and demonstrate these concepts through experiments.


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