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Linhardt, P., Ball, G., & Schlemmer, E. (2005). Electrochemical investigation of chloride induced pitting of stainless steel under the influence of a magnetic field. Corrosion Science, 47, 1599–1603. http://hdl.handle.net/20.500.12708/174192
E030 - Technische Versuchs- und Forschungsanstalt (TVFA)
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Journal:
Corrosion Science
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ISSN:
0010-938X
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Date (published):
2005
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Number of Pages:
5
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Peer reviewed:
Yes
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Abstract:
The effect of a mangnetic field on chloride induced pitting of stainless steel was studied by potentiodynamic measurements in aqueous NaCl solution in a cylindrical cell with the field perpenticular to the surface under test. Compared to identical tests without field, a significant shift of the repasivation potential Eᵣ in the cathodic direction was observed, together with the formation of small pits at high density in the periphery of the electrode. These pits develop under the influence of a vortical flow induced by the manganetohydrodynamic effect. The shift of Eᵣ is explained as the consequence of the occluded morphology of these pits.
