Abstract
The electrodeposition of ternary Al-Mo-Ti alloy was examined in the Lewis acidic 66.7-33.3 percent mole fraction aluminum chloride–1-ethyl-3-methylimidazolium chloride (AlCl3–EtMeImCl) room-temperature ionic liquid containing both (Mo6Cl8)Cl4 and TiCl2. All of the electrodeposited Al-Mo-Ti alloys were dense and compact, and they adhered well to the copper substrate. In simulated body fluid, e.g., Ringer’s solution, the Al-Mo-Ti alloy showed better corrosion resistance than pure nickel although it was somewhat inferior to 316 L stainless steel that is one of typical metallic biomaterials. Open circuit experiments in Ringer’s solution suggested that amorphous Al-Mo alloy is superior to Al-Ti and Al-Mo-Ti alloys as a metallic biomaterial because of the formation of more stable passivation layer.
