Howmet Dover Casting, an Alcoa business located in Dover, NJ, took home an award in the 2003 casting contest sponsored by the Investment Casting Institute. The company received the award for swirler component used in an industrial gas turbine. Formerly a 27-piece fabricated assembly, Howmet cast the swirler as a single-piece near-net-shape component. For more information, visit www.alcoa.com.
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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