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Use of local electrochemical methods (SECM, EC-STM) and AFM to differentiate microstructural effects (EBSD) on very pure copper

Journal Article (2017)
Author(s)

Esther Martinez Lombardia (Vrije Universiteit Brussel)

Linsey Lapeire (Universiteit Gent)

Vincent Maurice (Centre national de la recherche scientifique (CNRS))

Iris De Graeve (Vrije Universiteit Brussel)

Lorena Klein (Centre national de la recherche scientifique (CNRS))

Philippe Marcus (Centre national de la recherche scientifique (CNRS))

Kim Verbeken (Universiteit Gent)

L.A.I. Kestens (Universiteit Gent, TU Delft - (OLD) MSE-1)

Y. Gonzalez Garcia (TU Delft - (OLD) MSE-6)

J.M.C. Mol (TU Delft - (OLD) MSE-6)

H.A. Terryn (Vrije Universiteit Brussel, TU Delft - (OLD) MSE-1)

Research Group
(OLD) MSE-6
Copyright
© 2017 Esther Martinez Lombardia, Linsey Lapeire, Vincent Maurice, Iris De Graeve, Lorena Klein, Philippe Marcus, Kim Verbeken, L.A.I. Kestens, Y. Gonzalez Garcia, J.M.C. Mol, H.A. Terryn
DOI related publication
https://doi.org/10.14773/cst.2017.16.1.1
More Info
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Publication Year
2017
Language
English
Copyright
© 2017 Esther Martinez Lombardia, Linsey Lapeire, Vincent Maurice, Iris De Graeve, Lorena Klein, Philippe Marcus, Kim Verbeken, L.A.I. Kestens, Y. Gonzalez Garcia, J.M.C. Mol, H.A. Terryn
Research Group
(OLD) MSE-6
Issue number
1
Volume number
16
Pages (from-to)
1-7
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Abstract

When aiming for an increased and more sustainable use of metals a thorough knowledge of the corrosion phenomenon as function of the local metal microstructure is of crucial importance. In this work, we summarize the information presented in our previous publications[1-3] and present an overview of the different local (electrochemical) techniques that have been proven to be effective in studying the relation between different microstructural variables and their different electrochemical behavior. Atomic force microscopy (AFM)[1], scanning electrochemical microscopy (SECM)[2], and electrochemical scanning tunneling microscopy (EC-STM)[3] were used in combination with electron backscatter diffraction (EBSD). Consequently, correlations could be identified between the grain orientation and grain boundary characteristics, on the one hand, and the electrochemical behavior on the other hand. The grain orientation itself has an influence on the corrosion, and the orientation of the neighboring grains also seems to play a decisive role in the dissolution rate. With respect to intergranular corrosion, only coherent twin boundaries seem to be resistant.