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Electrically-assisted manufacturing (EAM) is an emerging metal-manufacturing process which is promising in the automotive and aerospace industries. The process is based on the electroplastic effect that is supposed to reduce the stress needed in the forming and improve the ductility of the metal. In this paper, we develop an electroplastic measurement system to study the electroplastic effect of the...
Electromagnetic forming (EMF) is a promising metal-forming process for complex geometrical shape and light-weight construction. Ring expansion is one of the basic EMFs wherein the workpiece is under nearly uniform tensile stress. The final strains of the rings at different discharge voltages are measured. It is found that the strain increases with the voltage. The strain can exceed the maximum strain...
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