An investigation has been conducted into the electrodeposition of Nb-Sn alloy from ambient temperature molten salt electrolytes of an SnCl
2-NbCl
5-BPC (1-butylpyridinium chloride) system and an Sn-NbCl
5-BPC system. The two component base electrolytes of NbCl
5-BPC were first investigated, then three component systems were done.
The deposition of Nb-Sn alloy was possible from an NbCl
5-BPC melt with SnCl
2. An Nb-Sn alloy containing 14.8wt%Nb was deposited from a 53.8mol%SnCl
2-7.7mol%NbCl
5-38.5mol%BPC bath at 5mA·cm
-2 and 130°C. The Nb-Sn alloy deposited from the NbCl
5-BPC melt with Sn metal contained a higher weight percent Nb content than that deposited from the NbCl
5-BPC melt with SnCl
2. The Nb content increased by increasing the NbCl
5 concentration in the melt. An Nb-Sn alloy containing 27.9wt%Nb was deposited from the 7.7mol%Sn-15.4mol% NbCl
5-76.9mol%BPC bath at 40mA·cm
-2 and 130°C.
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