Probing the vertical profiles of potential in a thin layer of solution closed to electrode surface during localized corrosion of stainless steel
Source abstract
Abstract
Based on a home-built integrated system of scanning reference electrode technique and scanning tunneling microscope (SRET/STM), a method for in situ measurement of vertical potential in the thin layer of solution closed to electrode surface during localized corrosion of stainless steel has been successfully established in this work. An obviously different vertical profile of potential over corrosion active sites and passive sites were firstly observed. The reason for this different was discussed taking into account the distribution of electric field and concentration of Fe3+/Fe2+ in a thin layer solution closed to electrode surface, due to the occurrence of localized corrosion.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Hydrogen embrittlement and corrosion behaviors in metals · Electrochemical Analysis and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (22)
Show source-provided references
1. On-line corrosion monitoring in geothermal district heating systems. II. Localized corrosion10.1016/j.corsci.2006.10.030 ↗
2. Localized electrochemical impedance spectroscopy for studying pitting corrosion on stainless steels10.1149/1.1837574 ↗
3. In situ synchrotron X-ray micro-tomography study of pitting corrosion in stainless steel10.1016/j.corsci.2011.05.040 ↗
4. Novel corrosion experiments using the wire beam electrode. (I) Studying electrochemical noise signatures from localised corrosion processes10.1016/j.corsci.2004.11.019 ↗
5. Use of electrochemical impedance spectroscopy for the study of corrosion protection by polymer coatings10.1007/BF00262955 ↗
6. Pitting corrosion of metals: a review of the critical factors10.1149/1.1838615 ↗
7. Pitting corrosion of titanium10.1149/1.2054783 ↗
8. Chemically-selective and spatially-localized redox activity at Ta/Ta2O5 electrodes10.1021/la9808216 ↗
9. Corrosion initiation of stainless steel in HCl solution studied using electrochemical noise and in-situ atomic force microscope10.1016/j.electacta.2009.07.042 ↗
10. In situ STM study of the duplex passive films formed on Cu (111) and Cu (001) in 0.1M NaOH10.1016/S0010-938X(03)00140-9 ↗
11. Corrosion of steel under the defected coating studied by localized electrochemical impedance spectroscopy10.1016/j.electacta.2008.02.014 ↗
12. The mechanism of group (I) chloride initiated filiform corrosion on iron10.1016/j.elecom.2003.08.008 ↗
13. Corrosion behavior of reinforcing steel in simulated concrete pore solutions: a scanning micro-reference electrode study10.1016/j.electacta.2009.02.046 ↗
14. Use of SVET and SECM to study the galvanic corrosion of an iron–zinc cell10.1016/j.corsci.2006.04.021 ↗
15. Scanning electrochemical microscopy measurement of ferrous ion fluxes during localized corrosion of steel10.1016/j.elecom.2005.10.003 ↗
16. STM tip-induced nanoscale etching on the H-terminated n-Si (111) surfaces under the potential control10.1016/S0009-2614(00)00400-0 ↗
17. Scanning microelectrode studies of early pitting corrosion of 18/8 stainless steel10.5006/1.3284852 ↗
18. A study on the initiation of pitting corrosion in carbon steel in chloride-containing media using scanning electrochemical probes10.1016/j.electacta.2010.06.024 ↗
19. Mapping concentration profiles within the diffusion layer of an electrode Part III. Steady-state and time-dependent profiles via amperometric measurements with an ultra microelectrode probe10.1016/S1388-2481(00)00035-7 ↗
20. Imaging concentration profiles of redox-active species in open-circuit corrosion processes with the scanning electrochemical microscope10.1016/j.elecom.2004.09.022 ↗
21. Study of the effects of hydrogen on the pitting processes of X70 carbon steel with SECM10.1016/j.elecom.2010.10.031 ↗
22. Scanning reference electrode techniques in localized corrosion