Metal-Ceramic Composites Based on Iron Oxide for Low-Consumption Anode during Electrolytic Extraction of Aluminum

Metal-Ceramic Composites Based on Iron Oxide for Low-Consumption Anode during Electrolytic Extraction of Aluminum

Metal-ceramic materials based on NiFe 2 O 4 and Fe 2 O 3 with additions of copper oxide and transition metals Cu, Ni, Co, and Fe were obtained. Changes in the phase content of materials based on iron oxide were shown, and the electrical conductivity of the obtained composites was studied. Samples of...

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Veröffentlicht in:Inorganic materials : applied research 2018, Vol.9 (1), p.52-56
Hauptverfasser: Kargin, Yu. F., Samoilov, E. N., Makarenkov, V. I., Lysenkov, A. S.
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum
Aluminum oxide
Cermets
Chemistry
Chemistry and Materials Science
Copper oxides
Cryolite
Electrical resistivity
Electrolysis
Hematite
High resistance
Industrial Chemistry/Chemical Engineering
Inert anodes
Inorganic Chemistry
Iron oxides
Materials Science
Melts
Nickel ferrites
Phase transitions
Transition metals
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Zusammenfassung:Metal-ceramic materials based on NiFe 2 O 4 and Fe 2 O 3 with additions of copper oxide and transition metals Cu, Ni, Co, and Fe were obtained. Changes in the phase content of materials based on iron oxide were shown, and the electrical conductivity of the obtained composites was studied. Samples of inert anodes were tested in an electrolytic cell; high resistance of cermets NiFe 2 O 4 + Cu, Ni against alumina-cryolite melts and stability of aluminum electrolysis were established.
ISSN:2075-1133
2075-115X
DOI:10.1134/S207511331801015X