Abstract
The electrodeposition of Al-Mo-Mn ternary alloys was examined in the Lewis acidic fraction (mol %) aluminum chloride-1-ethyl-3-methylimidazolium chloride molten salt containing Mo(II) and Mn(II). By adjusting the concentration ratio in the plating solution and employing different current densities, it was possible to prepare alloys with widely varying compositions and surface morphologies. All Al-Mo-Mn alloys were dense, compact, and adhered well to the copper substrate surface. The addition of small amounts of Mn to the Al-Mo alloy resulted in an improvement in the chloride pitting corrosion resistance and metallic brightness. For example, and displayed pitting potentials that were 725 and more positive than that for Al, respectively. Al-Mo-Mn alloys that contained more than about 10 atom % exhibited a metallic glass structure.
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