| Title: | Flower-like superhydrophobic surfaces fabricated on stainless steel as a barrier against corrosion in simulated acid rain |
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| Authors: | ID Fuchs-Godec, Regina (Author) |
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| Files: |  Godec_2022_Flower-like_Superhydrophobic_Surfaces.pdf (4,56 MB)
MD5: 3B1845C6E86E04E9457D05619E8591C1
 https://doi.org/10.3390/ma15207104
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| Language: | English |
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| Work type: | Scientific work |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FKKT - Faculty of Chemistry and Chemical Engineering
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| Abstract: | Functionalisation of the metal surface of low-carbon ferritic stainless steel (from hydrophilic to hydrophobic properties) was achieved by flower-like hierarchical structures on a steel substrate prepared by a low-cost immersion method. The flower-like structured hydrophobic layers on the steel substrate were obtained by immersing the samples in an ethanolic solution of stearic acid with the addition of various concentrations of expired vitamin E ((+)α-tocopherol). The stability and corrosion-inhibiting effect of the hierarchically structured (such as natural cornflower) hydrophobic layers were studied systematically during short and long immersion tests, 120 h (five days) in an acidic environment (pH = 3) using potentiodynamic measurements, electrochemical impedance spectroscopy and chronopotentiometry. The surfaces of the samples, their wettability, surface morphology and chemical composition were characterised by contact angle measurements, SEM, ATR-FTIR and EDAX. After 120 h of immersion, the inhibition efficiency of the flower-like structured hydrophobic layers on the steel substrate in the selected corrosion medium remained above 99%, and the hierarchical structure (flower-like structure) was also retained on the surface. |
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| Keywords: | acid rain, corrosion, flower-like structure, inhibition, stainless steel |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 28.08.2022 |
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| Article acceptance date: | 09.10.2022 |
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| Publication date: | 13.10.2022 |
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| Publisher: | MDPI |
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| Year of publishing: | 2022 |
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| Number of pages: | Str. 1-23 |
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| Numbering: | Letn. 15, št. 20, št. članka 7104 |
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| PID: | 20.500.12556/DKUM-91262  |
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| UDC: | 620.1/.2 |
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| ISSN on article: | 1996-1944 |
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| COBISS.SI-ID: | 126257411 |
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| DOI: | 10.3390/ma15207104 |
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| Copyright: | © 2022 by the author |
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| Publication date in DKUM: | 05.12.2024 |
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| Views: | 192 |
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| Downloads: | 12 |
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| Metadata: |    |
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| Categories: | Misc.
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