Effects of Oxidized Metal Powders on Pore Defects in Powder-Fed Direct Energy Deposition
Jong-Youn Son,
Ki-Yong Lee,
Seung Hwan Lee
et al.
Abstract:Laser-based additive manufacturing processes, particularly direct energy deposition (DED), have gained prominence for fabricating complex, functionally graded, or customized parts. DED employs a high-powered heat source to melt metallic powder or wire, enabling precise control of grain structures and the production of high-strength objects. However, common defects, such as a lack of fusion and pores between layers or beads, can compromise the mechanical properties of the printed components. This study focuses … Show more
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