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Influence of temperature on the localized corrosion of stainless steels

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Abstract

Localized corrosion processes of passive metals are almost always initiated at local heterogeneities of the substrate material. In the case of stainless steels MnS inclusions are of primary importance. Increasing the temperature strongly accelerates the pitting. Detailed large-scale and microelectrochemical investigations show that this is mainly caused by an enhanced anodic dissolution facilitating stable pit growth and retarding repassivation. Activation of new inclusions, remaining inactive at lower temperature, may also occur but are of minor importance.

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Dedicated to the ninetieth anniversary of Ya.M. Kolotyrkin’s birth.

This article was submitted by the authors in English.

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Matsch, S., Böhni, H. Influence of temperature on the localized corrosion of stainless steels. Russ J Electrochem 36, 1122–1128 (2000). https://doi.org/10.1007/BF02757532

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  • DOI: https://doi.org/10.1007/BF02757532

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