DOE OSTI · 1859926
Additive manufacturing powder spreading technology to mitigate surface defects
Abstract
A laser powder bed fusion additive manufacturing system having a powder dispenser that provides powder layers on a build platform; a laser fusion system that fuses the powder layers, wherein spatter particles are produce on the powder layers; and a powder bed sweeping system that sweeps the spatter particles from the powder layers. The powder bed sweeping system includes a brush that has bristles that contact the spatter particles and sweeps the spatter particles from the powder layers.
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Khairallah, Saad A., Guss, Gabe, Herbold, Eric B., King, Wayne E., Matthews, Manyalibo Joseph, Rubenchik, Alexander M., Walton, Otis R.. 2021-10-12. Additive manufacturing powder spreading technology to mitigate surface defects. https://www.osti.gov/biblio/1859926
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