Corrosion-Electrochemical Behaviour of Low-Alloy Steel in Alkaline Media

Antonina Maizelis, Boris Bairachniy
1 National Technical University “Kharkiv Polytechnic Institute” 2, Kyrpychova St., 61002 Kharkiv, Ukraine
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The authors demonstrated that low-alloy chrome-molybdenum-vanadium 12Cr1MoV steel has more positive open circuit potential and lower hydrogen evolution overvoltage in concentrated alkaline solution, compared to ordinary-quality St3 steel. After 1100 A∙h∙m-2 charge passing, 12Cr1MoV anodic dissolution rate becomes lower than St3 dissolution rate. It does not increase with current density increase.

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