Abstract
The corrosion of vanadium and vanadium-base binary alloys, VCr, VAl, VFe, and VMo, in oxygen-saturated sodium was studied. A ternary oxide containing sodium and vanadium was detected in the corrosion product formed on vanadium. The formation rate of the corrosion product followed a linear rate law above 450°C. From examination of alloying additions on the corrosion of vanadium, molybdenum was found to improve considerably the corrosion resistance of vanadium to the liquid sodium. In particular a V50wt%Mo alloy was observed to corrode only very slightly in sodium. The corrosion resistance of the VMo alloys was considered to be caused by molybdenum enrichment of the surface layers as the corrosion proceeded.
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