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  • Морфология и фазовый состав защитных покрытий на углеродистой стали, обработанной в нитратных растворах

Article

Морфология и фазовый состав защитных покрытий на углеродистой стали, обработанной в нитратных растворах

Павленко В. И., Бондаренко Г.Г., Лебедев Л. Л., Прозоров В. В.

 This paper studies the structure, composition and morphology of the oxide phases on the surface of the samples St20 steel, passivated in nitrate solutions containing and not containing aluminum ions. It is shown that the passivation of carbon steel with a solution containing aluminum nitrate, surface corrosion and there is no ulcer "healed" the previously formed centers of local corrosion. At the same coatings formed in solutions containing aluminum nitrate, have the highest corrosion resistance as compared with those obtained by other methods of passivation.