Corrosion of Alkaline Earth Fluorides in High Temperature Chlorination Atmospheres
- 1 April 1971
- journal article
- Published by Association for Materials Protection and Performance (AMPP) in Corrosion
- Vol. 27 (4) , 146-150
- https://doi.org/10.5006/0010-9312-27.4.146
Abstract
MgF2, CaF2, and SrF2 were exposed to simulated industrial chlorination atmospheres. The gas streams containing Cl2 and/or He mixed with water vapor and/or furnace gas (CO + CO2) flowed at 220 cc/min through a 2.54 cm ID vitreous silica furnace tube. Behavior of the metal fluorides, as determined in the temperature range 500 to 750 C (932 to 1382 F), was compared with the corrosion of commercial grade nickel under the same conditions. MgF2 was the only material that performed appreciably better than nickel.Keywords
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