Breakdown of Passivity of Stainless Steel by Halide Ions

Abstract

METALS and alloys which are resistant to corrosion usually depend for their resistance on the formation and maintenance of thin films (commonly between 5 and 200 Å thick) of passivating oxide. The breakdown of such films by “aggressive” anions such as chloride, at sufficiently positive anode potential and at sufficiently high temperature, is often responsible for the failure of such alloys, because it usually leads to serious pitting of the bared metal.

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HOAR, T., JACOB, W. Breakdown of Passivity of Stainless Steel by Halide Ions. Nature 216, 1299–1301 (1967). https://doi.org/10.1038/2161299a0

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