Development and Optimization of Synergistic Compositions for the Corrosion Protection of Steel in Neutral and Acid Media

We study the conditions of appearance of synergistic effects in inhibiting mixtures aimed at the protection of steel against corrosion in neutral aqueous-salt and acid media. It is shown that the high anticorrosion efficiency in neutral media is attained by the application of inhibitors with differe...

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Bibliographic Details
Published in:Materials science (New York, N.Y.) N.Y.), 2017-03, Vol.52 (5), p.634-642
Main Authors: Ledovs’kykh, V. М., Vyshnevs’ka, Yu. P., Brazhnyk, І. V., Levchenko, S. V.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion effects
Corrosion inhibitors
Corrosion prevention
Corrosion tests
Efficiency
Materials Science
Media
Microstructure
Optimization
Passivity
Series (mathematics)
Solid Mechanics
Steel corrosion
Steels
Structural Materials
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Summary:We study the conditions of appearance of synergistic effects in inhibiting mixtures aimed at the protection of steel against corrosion in neutral aqueous-salt and acid media. It is shown that the high anticorrosion efficiency in neutral media is attained by the application of inhibitors with different mechanisms of action guaranteeing the efficient passivation in a broad range of potentials. We propose an approach to the optimization of complexing synergistic compositions for the protection of steel in acid media, which enables one to increase their efficiency as a result of the improvement of the microstructure of the phase layer. It is shown that the method of isomolar series opens wide possibilities for the investigation of the nature and conditions of the formation of synergistic effects.
ISSN:1068-820X
1573-885X
DOI:10.1007/s11003-017-0002-1