4D Printing of Multi-Metal Products
Creating 3D-printed parts that can react with their environment makes them 4D. Researchers in the U.K. have developed a multi-metal electrochemical 3D printer. Electrochemical additive manufacture (ECAM) is a relatively new metal AM technique, which eliminated the need for thermal processes. It was used in this experiment to create a Cu-Ni bimetallic material, which responds to temperature.
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