Corrosion Performance of Chemically Passivated and Ion Beam-Treated Austenitic–Martensitic Steel in the Marine Environment
In the present work, chemical and ion beam surface treatments were performed in order to modify the electrochemical behavior of industrial austenitic–martensitic steel VNS-5 in 3.5 wt. % NaCl. Immersion for 140 h in a solution containing 0.05 M potassium dichromate and 10% phosphoric acid promotes f...
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MDPI AG
2025-05-01
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| author | Viktor Semin Alexander Cherkasov Konstantin Savkin Maxim Shandrikov Evgeniya Khabibova |
| author_facet | Viktor Semin Alexander Cherkasov Konstantin Savkin Maxim Shandrikov Evgeniya Khabibova |
| author_sort | Viktor Semin |
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| description | In the present work, chemical and ion beam surface treatments were performed in order to modify the electrochemical behavior of industrial austenitic–martensitic steel VNS-5 in 3.5 wt. % NaCl. Immersion for 140 h in a solution containing 0.05 M potassium dichromate and 10% phosphoric acid promotes formation of chromium hydroxides in the outer surface layer. By means of a new type of ion source, based on a high-current pulsed magnetron discharge with injection of electrons from vacuum arc plasma, ion implantation with Ar<sup>+</sup> and Cr<sup>+</sup> ions of the VNS-5 steel was performed. It has been found that the ion implantation leads to formation of an Fe- and Cr-bearing oxide layer with advanced passivation ability. Moreover, the ion beam-treated steel exhibits a lower corrosion rate (by ~7.8 times) and higher charge transfer resistance in comparison with an initial (mechanically polished) substrate. Comprehensive electrochemical and XPS analysis has shown that a Cr<sub>2</sub>O<sub>3</sub>-rich oxide film is able to provide an improved corrosion performance of the steel, while the chromium hydroxides may increase the specific conductivity of the surface layer. A scheme of a charge transfer between the microgalvanic elements was proposed. |
| format | Article |
| id | doaj-art-e6b0d0b82e5d4977b30ec6de042ecd97 |
| institution | DOAJ |
| issn | 2504-4494 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
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| series | Journal of Manufacturing and Materials Processing |
| spelling | doaj-art-e6b0d0b82e5d4977b30ec6de042ecd972025-08-20T03:14:36ZengMDPI AGJournal of Manufacturing and Materials Processing2504-44942025-05-019516710.3390/jmmp9050167Corrosion Performance of Chemically Passivated and Ion Beam-Treated Austenitic–Martensitic Steel in the Marine EnvironmentViktor Semin0Alexander Cherkasov1Konstantin Savkin2Maxim Shandrikov3Evgeniya Khabibova4Moscow Institute of Physics and Technology, Dolgoprudny 141701, RussiaInstitute of High Current Electronics SB RAS, Tomsk 634055, RussiaInstitute of High Current Electronics SB RAS, Tomsk 634055, RussiaInstitute of High Current Electronics SB RAS, Tomsk 634055, RussiaNational Research Tomsk State University, Tomsk 634050, RussiaIn the present work, chemical and ion beam surface treatments were performed in order to modify the electrochemical behavior of industrial austenitic–martensitic steel VNS-5 in 3.5 wt. % NaCl. Immersion for 140 h in a solution containing 0.05 M potassium dichromate and 10% phosphoric acid promotes formation of chromium hydroxides in the outer surface layer. By means of a new type of ion source, based on a high-current pulsed magnetron discharge with injection of electrons from vacuum arc plasma, ion implantation with Ar<sup>+</sup> and Cr<sup>+</sup> ions of the VNS-5 steel was performed. It has been found that the ion implantation leads to formation of an Fe- and Cr-bearing oxide layer with advanced passivation ability. Moreover, the ion beam-treated steel exhibits a lower corrosion rate (by ~7.8 times) and higher charge transfer resistance in comparison with an initial (mechanically polished) substrate. Comprehensive electrochemical and XPS analysis has shown that a Cr<sub>2</sub>O<sub>3</sub>-rich oxide film is able to provide an improved corrosion performance of the steel, while the chromium hydroxides may increase the specific conductivity of the surface layer. A scheme of a charge transfer between the microgalvanic elements was proposed.https://www.mdpi.com/2504-4494/9/5/167steelion implantationion beam treatmentchemical passivationcorrosionXPS |
| spellingShingle | Viktor Semin Alexander Cherkasov Konstantin Savkin Maxim Shandrikov Evgeniya Khabibova Corrosion Performance of Chemically Passivated and Ion Beam-Treated Austenitic–Martensitic Steel in the Marine Environment Journal of Manufacturing and Materials Processing steel ion implantation ion beam treatment chemical passivation corrosion XPS |
| title | Corrosion Performance of Chemically Passivated and Ion Beam-Treated Austenitic–Martensitic Steel in the Marine Environment |
| title_full | Corrosion Performance of Chemically Passivated and Ion Beam-Treated Austenitic–Martensitic Steel in the Marine Environment |
| title_fullStr | Corrosion Performance of Chemically Passivated and Ion Beam-Treated Austenitic–Martensitic Steel in the Marine Environment |
| title_full_unstemmed | Corrosion Performance of Chemically Passivated and Ion Beam-Treated Austenitic–Martensitic Steel in the Marine Environment |
| title_short | Corrosion Performance of Chemically Passivated and Ion Beam-Treated Austenitic–Martensitic Steel in the Marine Environment |
| title_sort | corrosion performance of chemically passivated and ion beam treated austenitic martensitic steel in the marine environment |
| topic | steel ion implantation ion beam treatment chemical passivation corrosion XPS |
| url | https://www.mdpi.com/2504-4494/9/5/167 |
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