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The dealloying of rapidly solidified Mg–Cu alloys in a 0.2M NaCl aqueous solution has been investigated using electrochemical measurements. The results show that nanoporous copper can be fabricated by electrochemical dealloying of the Mg–Cu alloys in the NaCl solution. The electrochemical activities of the Mg–Cu alloys are related to both alloy composition and phase constitution. The critical potentials...
A new Mg–Cu system has been developed to fabricate monolithic nanoporous copper (NPC) ribbons and bulk NPC through chemical dealloying in a 5wt.% HCl solution. The microstructures of the NPC ribbons were characterized using X-ray diffraction, scanning electron microscopy and energy dispersive X-ray analysis. The results show that the compositions of the melt-spun Mg–Cu alloys have an important effect...
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