Electrochemical noise analysis of pitting corrosion of J55 steel in NaCl + NaHCO 3  electrolytes | Zendy

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Electrochemical noise analysis of pitting corrosion of J55 steel in NaCl + NaHCO 3 electrolytes

Author(s) -

Zhang Jun,

Zhao Wenzhen

Publication year - 2011

Publication title -

surface and interface analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.52

H-Index - 90

eISSN - 1096-9918

pISSN - 0142-2421

DOI - 10.1002/sia.3674

Subject(s) - electrochemical noise , corrosion , electrolyte , pitting corrosion , electrochemistry , casing , metallurgy , materials science , chemistry , electrode , engineering , petroleum engineering

Electrochemical noise (EN) was used to study the pitting corrosion of J55 steel in NaCl/NaHCO 3 electrolytes. Below critical ratio for Cl − to HCO − , the corrosion rate increased with added NaCl, and conversely, decreased above that level. Also, the critical ratio was between 1 and 1.66. The PSD for potential and current noise were linear and rather gently sloped. J55 casing steel was quite sensitive to NaCl/NaHCO 3 electrolytes. Copyright © 2010 John Wiley & Sons, Ltd.

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