✦ LIBER ✦

Polarization resistance measurements in alkali metal sulphate melts

✍ Scribed by J. Balajka

Publisher: John Wiley and Sons
Year: 1973
Tongue: German
Weight: 391 KB
Volume: 24
Category: Article
ISSN: 0947-5117
DOI: 10.1002/maco.19730241105

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✦ Synopsis

Abstract

Measurement of the polarization resistance of Fe, Ni, 8% Cr stell and CrNi stell 18 8 reveals that the corrosion rate increase as the SO~3~ partial pressure in the gas phase is increased. While a protective layer appears to be formed in alloyed steel in neutral melts (a fact which is reflected in an increase of the polarization resistance) no such layer can be identified on Fe and Ni. Addition of NiSO~4~ to the SO~3~ partial pressure; this effect is probably due to a thermal decomposition of a salt. The exact correlation of weight loss and polarization resistance requires, however, more detailed investigation.

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