Raising the Corrosion Resistance of Low-Carbon Steels by Electrolytic-Plasma Saturation with Nitrogen and Carbon

Structural features of the external oxide layer and internal nitrided, carbonitrided and carburized layers in steels 10, 20 and St3 produced by the method of electrolytic plasma treatment are studied. Specimens of the steels are tested for corrosion in a naturally aerated 1-N solution of sodium chlo...

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Bibliographic Details
Published in:Metal science and heat treatment 2017-05, Vol.59 (1-2), p.117-123
Main Authors: Kusmanov, S. A., Grishina, E. P., Belkin, P. N., Kusmanova, Yu. V., Kudryakova, N. O.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Electrolysis (Chemistry)
Engineering Thermodynamics
Heat and Mass Transfer
Materials Science
Metallic Materials
Plasma physics
Stainless steel
Steel corrosion
Structural steel
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Summary:Structural features of the external oxide layer and internal nitrided, carbonitrided and carburized layers in steels 10, 20 and St3 produced by the method of electrolytic plasma treatment are studied. Specimens of the steels are tested for corrosion in a naturally aerated 1-N solution of sodium chloride. The condition of the metal/sodium chloride solution interface is studied by the method of electrochemical impedance spectroscopy. It is shown that the corrosion resistance of low-carbon steels can be raised by anode electrolytic-plasma saturation with nitrogen and carbon. Recommendations are given on the choice of carbonitriding modes for structural steels.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-017-0114-0