Abstract
We study the corrosion-electrochemical behavior of 15Kh2NMFA steel in borate-buffered reactor water within the temperature range 22-300°C and establish the relationship between the temperature dependences of the corrosion-fatigue crack growth rates s and the electrochemical behavior of steel. The influence of the galvanic couple formed by the refreshed and passivated surfaces on the acceleration of growth of corrosion-fatigue cracks is revealed. It is shown that this type of steel is susceptible to passivation in the entire temperature range.
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