Abstract
The stress-corrosion cracking of steel is described using a model of the scalar density of gliding and climbing dislocations near the surface on which chlorine is adsorbed. A barrier-free criterion of the durability of the climbing dislocation pairs is defined, which takes into account both mechanical stress and the concentration of chlorine. The calculated energy values and characteristic dimensions are consistent with experimental data for the dissolution of an anode in an electrolyte and the nucleation and growth of crack nuclei. The model also takes into account the adsorption of chlorine, which, by neutralizing the potential of zero charge, effectively reduces the durability proportionally to the exponent of the steady-state potential.
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Original Russian Text © S.N. Nagornykh, D.V. Khiteva, 2015, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2015, No. 7, pp. 101–104.
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Nagornykh, S.N., Khiteva, D.V. Effect of adsorbed chlorine on the durability of a stainless steel reactor. J. Surf. Investig. 9, 749–752 (2015). https://doi.org/10.1134/S102745101504014X
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DOI: https://doi.org/10.1134/S102745101504014X