Influence of the surface microgeometry upon the corrosion effect — II. Distribution of the potential and current density with negligible electrode polarization | Zendy

Parlapanski M. | Zendy

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Influence of the surface microgeometry upon the corrosion effect — II. Distribution of the potential and current density with negligible electrode polarization

Author(s) -

Parlapanski M.

Publication year - 1973

Publication title -

materials and corrosion

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.487

H-Index - 55

eISSN - 1521-4176

pISSN - 0947-5117

DOI - 10.1002/maco.19730240208

Subject(s) - polarization (electrochemistry) , anode , materials science , current density , curvature , cathode , metal , grinding , ellipsoid , electrode , surface (topology) , corrosion , condensed matter physics , mechanics , composite material , geometry , metallurgy , chemistry , physics , mathematics , quantum mechanics , astronomy

The problem is dealt with in terms of two models: (1) Metal surface with curved elements of the same metal protruding therefrom, these elements acting as anodes and the potential distribution being a function of the regularity of the curvature (semi‐spherical, semi‐ellipsoidal); (2) this model corresponds e. g. to the surface state produced by grinding: alternating cylindrical elevations and depressions, the first acting as anodes, the last as cathodes. In this case a two‐dimensional potential and current density distribution must be evaluated.

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