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SSC as a function of applied potential

February 19, 2017 by Mariano Iannuzzi

Effect of applied potential on SSC

Surface of the slow extension rate test specimen failed in H2S-saturated NACE TM-0177 solution (0.5% acetic acid and 5% NaCl) as a function of applied potential: (a) cathodically polarized N5 (5% Ni) at 1.5 mA.cm2, (b) naturally corroding N0 (0% Ni), and (c) anodically polarized N5 (5% Ni) at 1.8 mA.cm2. Adapted with permition from Yoshino, Y. & Minozaki, Y. “Sulfide stress cracking resistance of low-alloy nickel steels.” Corrosion 42, 222-233, doi: 10.5006/1.3586000 (1986).

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