Application of refractory borides to protect carbon-containing c

Details Application of refractory borides to protect carbon-containing c Application of refractory borides to protect carbon-containing c

1999-01-22

2000-10-31

Valentine, Donald R.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204245, 204247, 2042473, 2042474, 204290R, 204294, C25C 308

Patent

active

061397040

ABSTRACT:
Carbon-containing components of cells for the production of aluminium by the electrolysis of alumina dissolved in a cryolite-based molten electrolyte are protected from attack by liquid and/or gaseous components of the electrolyte in the form of elements, ions or compounds, by a refractory boride coating applied from a slurry composed of pre-formed particulate refractory boride in a colloidal carrier which is dried and heated to consolidate the coating.

REFERENCES:
patent: 4405433 (1983-09-01), Payne
patent: 4602990 (1986-07-01), Boxall et al.
patent: 4622111 (1986-11-01), Brown et al.
patent: 5286353 (1994-02-01), Wilkening
patent: 5286359 (1994-02-01), Richards et al.

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