期刊
CORROSION SCIENCE
卷 59, 期 -, 页码 96-102出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2012.02.026
关键词
Stainless steel; EIS; Polarisation; Potentiostatic; Pitting corrosion; Passivity
资金
- Ferdowsi University of Mashhad
In this study critical pitting temperature (CPT) of two stainless steels is compared using EIS, potentiodynamic and potentiostatic techniques. Two types of stainless steels including DSS2205 and 20Cr-28Ni were chosen. EIS measurements were carried at anodic potential of 600 mV/SCE and the results were compared with those of potentiodynamic and potentiostatic polarisations. The results revealed that the CPT of DSS2205 and 20Cr-28Ni was between 45-55 degrees C and 35-45 degrees C in potentiodynamic polarisation, respectively. It was 60 and 55 degrees C for potentiostatic method and between 55-60 degrees C and 45-55 degrees C in EIS method for DSS2205 and 20Cr-28Ni, respectively. (C) 2012 Elsevier Ltd. All rights reserved.
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