Speaker
Description
Lithography-based Metal Manufacturing is a sinter-based metal additive manufacturing process well-known for producing small parts with complex, intricate designs. The feedstock, when melted and scraped off by a heated coating blade, takes on a roller shape as it is moved towards the build platform. A stable roller formation is essential for uniform coating, resulting in homogeneous, defect-free green parts. The formation of a stable roller requires a fine balance among viscous forces, surface tension, and gravity. While surface tension and gravitational forces depend on temperature and feedstock density, respectively, viscosity depends on factors such as shear rate, temperature, packing fraction, powder size, and morphology. This work investigates the working principle of the feedstock roller formation for pure copper, which can be extended to other materials as well. A basic understanding of these principles is essential to avoid trial-and-error in various metal systems, where material wastage is expensive and undesirable.
| Speaker Country | Austria |
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| Would you like to publish your paper in the special issue of BHM "Berg- und Hüttenmännische Monatshefte" | Yes |