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On the example of model solutions (simulators), we study the corrosiveness of hypochlorite-containing waste waters prior to and after their interaction with organic waste waters. It is established that, for low concentrations of hypochlorite, it has a higher corrosiveness than tap water. As a result of the addition of simulators of organic waste waters to hypochlorite-containing waters, their corrosiveness decreases to the level of tap water, most likely due to the neutralization of hypochlorite and the formation of the products of oxidation of organic substances with adsorption properties. For strengthening the interaction of hypochlorite with organic compounds and rapid reduction of the corrosiveness of hypochlorite wastes, it is reasonable to intensify the reactions of oxidation by using catalysts and ultrasonic treatment. [ABSTRACT FROM AUTHOR]

We have analyzed quantitatively parameters of pit-like defects on the surface of corroded D16 sheet alloy by methods of statistical processing of their metallographic images. The depth of penetration of corrosion damages has been determined by 3D-optical profilometry and by measuring sizes on crosssections. We have determined the relation between the geometric parameters of the corrosion damage of the surface and the decrease in the yield strength of the corroded alloy. [ABSTRACT FROM AUTHOR]