Cyclic voltammetry of low alloyed ferritic steels in N sodium hydroxide

Bruni, G.; Casadio, S.; D'Alessandro, G.

doi:10.1016/0013-4686(77)85138-4

Cited by 2 publications

(1 citation statement)

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“…and high temperatures shows that the dissolution-precipitation mechanism (11-12) which most probably accounts for the formation and evolution of peaks III and V, is no longer operating above 55~ It is also clearly seen that peak II should be attributed to the active-passive behavior of iron, the inference being in agreement with that of Armstrong and Baurhoo (5). As shown by Parkins (13), the potential region of caustic cracking of mild steel coincides with that of the activepassive transition of the steel, so that cracking susceptibility should be by consideration of peak II, obtained at low and high scan rates, rather than that of peak III, as it has incorrectly been suggested earlier (14).…”

Section: Comparison Of the Voltammograms Obtained At Low (T <45~supporting

confidence: 82%

Cyclic Voltammetric Studies and Caustic Cracking of Steel at Various Temperatures

Wiȩckowski¹,

Ghali²,

Le³

1984

J. Electrochem. Soc.

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Cyclic voltammetric studies were carried out for an iron electrode and for pressure vessel quality steel A516 in 1 and 7.73M sodium hydroxide solutions as a function of temperature. Cyclic voltammograms for strained electrodes of steel were also made. The stress corrosion cracking susceptibility was measured by the slow strain rate method. The examined temperature range was between 25 ~ and 105~ A correlation was found between the electrochemical behavior of unstrained electrodes (cyclovoltammograms) and the susceptibility to caustic cracking. A critical zone of temperatures, above which cyclic voltammograms are sensibly different and stress corrosion cracking occurs, was obtained.) unless CC License in place (see abstract). ecsdl.org/site/terms_use address. Redistribution subject to ECS terms of use (see 169.230.243.252 Downloaded on 2015-03-11 to IP

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Section: Comparison Of the Voltammograms Obtained At Low (T <45~supporting

confidence: 82%