P. CHIN, P. J. SIDES
Oxides of Ni and Fe, and elemental Cu, which are constituents of candidate non-consumable anodes for the Hall-Heroult process, were dissolved in alumina-saturated cryolite melts. The fluoride melts were in turn contacted with molten aluminum. The transfer of these elements from the fluoride melt into the aluminum was incomplete. Ni, Fe, and Cu present in the melt, 55%, 63%, and 13%, respectively, were reduced and alloyed into aluminum in non-electrolytic experiments. Analysis of the distribution of the elements revealed that a majority of the Ni and Fe not found in the aluminum remained in the bulk of the melt, but essentially all of the Cu that remained in the melt was found in a 1-2 mm thick "skim" layer around the metal. The results indicate that these components dissolve into the melt and transfer to the metal, which means that anodes made from these components are not completely "inert" with respect to molten cryolite in contact with aluminum.
@article{095bed3b-8b39-4fe2-9040-c7ca91c4c4bb,
title={The Transfer of Nickel Iron and Copper F},
author={P. CHIN and P. J. SIDES},
year={2026},
language={en}
}TY - JOUR TI - The Transfer of Nickel Iron and Copper F AU - P. CHIN AU - P. J. SIDES PY - 2026 LA - en ER -
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