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Reaction Products and Corrosion of Molybdenum Electrode in Glass Melt Containing Antimony Oxides and Sodium Sulfate,2013-I

The products on the interface of a molybdenum electrode and glass melt were investigated primarily at 1400 degrees C in three model glass melts without ingredients, with 1 % Sb2O3 and with 1 % Sb2O3 and 0.5 % SO3 (wt. %), both under and without load by alternating current.

Corrosion of the molybdenum electrode in glass melt without AC load is higher by one order of magnitude if antimony oxides are present.

The corrosion continues to increase if sulfate is present in addition to antimony oxides. Isolated antimony droplets largely occur on the electrode-glass melt interface,.

and numerous droplets are also dissipated in the surrounding glass if only antimony oxides are present in the glass melt.Containing Antimony Oxides and Sodium Sulfate.

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