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Changes in the Electrochemical Characteristics of Corrosion-Resistant Steels at the Beginning of the Process of Corrosion-Fatigue Damage

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Abstract

We establish the relationship between the electrochemical characteristics of the stage of crack initiation and the susceptibility of various types of stainless steels to corrosion fatigue and show that the proposed parameter of relative strain fracture can be used as a criterion of corrosion-fatigue fracture of steels caused by the accelerated dissolution of microstrained regions on their surface. We also deduce analytic relations for the evaluation of the corrosion-fatigue limit of passivated steels. The accuracy of the proposed formulas is never worse than 12%.

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Authors and Affiliations

  1. Karpenko Physicomechanical Institute, Ukrainian Academy of Sciences, Lviv

    M. S. Khoma & V. I. Pokhmurs'kyi

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  1. M. S. Khoma
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  2. V. I. Pokhmurs'kyi
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Khoma, M.S., Pokhmurs'kyi, V.I. Changes in the Electrochemical Characteristics of Corrosion-Resistant Steels at the Beginning of the Process of Corrosion-Fatigue Damage. Materials Science 39, 1–7 (2003). https://doi.org/10.1023/A:1026110009267

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  • DOI: https://doi.org/10.1023/A:1026110009267

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