What is it about?
In this paper, corrosion behavior of Ni-6Al-10Cu-11Fe-15Cr alloy, as a candidate material for inert anodes in aluminum electrolysis, has been investigated.
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Why is it important?
The main motives for any new anode technology include: potentially lower anode costs, less operating labour, increased flexibility in cell design, elimination of the carbon anode plant, a more thermally efficient cell, a reduction or elimination of CO2 emissions and perfluorocarbon (PFC) emissions, improved industrial hygiene, and the reduction of polycyclic aromatic hydrocarbon, carbonyl sulphide, and gaseous fluoride emissions
Perspectives
The major factor that influences the anodes candidate materials is their corrosion behavior in molten cryolite in the electrolysis. Corrosion of anode alloys in molten cryolite depends on the alloy matrix thermomechanical properties and the alloy surface layer. The layer should cover entire the surface and stick to the substrate completely. Presence of any discontinuity in the oxide layer leads its protection against corrosion to decrease.
Mr reza tamasgavabari
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This page is a summary of: An investigation into dissolution behavior of pre-oxidized Ni-6Al-10Cu-11Fe-15Cr nickel base alloy in molten cryolite, Anti-Corrosion Methods and Materials, January 2015, Emerald,
DOI: 10.1108/acmm-10-2013-1305.
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