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Electrodeposition of magnesium-yttrium alloys from molten salts was studied by electrochemical techniques.LiF-YF3 was electrolyte system with magnesium oxide and Yttrium oxide as raw materials.It was proved that Mg2+ and Y3+was deposited more prior than other ions during cyclic voltammetry and potential step measurement at 1050 °C.Voltammograms showed Mg2+ could be deposited at-0.5 V,and Y3+ could be deposited at-0.7 V on tungsten electrode compared with platinum electrode.The sedimentation of Mg2+ was more positive about 230 mV than that of other ions in electrolyte.The electrolytic codeposition of yttrium and magnesium was 0.58 V on condition that the weight ratio of Y2O3/MgO was 4:1.Chronopotentiogram indicated that the process of electrodeposition of magnesium-yttrium alloys on tungsten electrode was controlled by diffusion of ions from electrolyte to electrode interface.It was feasible to prepare Magnesium-Yttrium alloys by controlling content of ions in molten salt electrolyte.
Electrodeposition of magnesium-yttrium alloys from molten salts was studied by electrochemical techniques. LiF-YF3 was electrolyte system with magnesium oxide and Yttrium oxide as raw materials. It was proven that Mg2 + and Y3 + was deposited more prior than other ions during cyclic voltammetry and potential step measurement at 1050 ° C.Voltammograms showed Mg2 + could be deposited at-0.5 V, and Y3 + could be deposited at-0.7 V on tungsten electrode compared with platinum electrode. The sedimentation of Mg2 + was more positive about 230 mV than that of other ions in electrolyte. The electrolytic codeposition of yttrium and magnesium was 0.58 V on condition that the weight ratio of Y2O3 / MgO was 4: 1. Chronopotentiogram indicated that the process of electrodeposition of magnesium-yttrium alloys on tungsten electrode was controlled by diffusion of ions from electrolyte to electrode interface. It was feasible to prepare Magnesium-Yttrium alloys by controlling content of ions in molten salt electrolyte.