20.500.12556/DKUM-91262 Flower-like superhydrophobic surfaces fabricated on stainless steel as a barrier against corrosion in simulated acid rain 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. acid rain corrosion flower-like structure inhibition stainless steel kisel dež korozija inhibicija nerjaveče jeklo true false true MDPI Angleški jezik Slovenski jezik https://www.mdpi.com/journal/materials © 2022 by the author Znanstveno delo 2024-12-05 11:38:46 2024-12-05 11:47:14 2025-04-17 13:51:57 0000-00-00 00:00:00 2022 0 0 Str. 1-23 št. 20, št. članka 7104 Letn. 15 13 Oct. 2022 0000-00-00 Zaloznikova Objavljeno NiDoloceno 2022-08-28 2022-10-09 2022-10-13 620.1/.2 126257411 10.3390/ma15207104 1996-1944 Godec_2022_Flower-like_Superhydrophobic_Surfaces.pdf Godec_2022_Flower-like_Superhydrophobic_Surfaces.pdf 1 3B1845C6E86E04E9457D05619E8591C1 caaea89053f1afe86c65221f4ff3fe448824eaff6c2ef0256a5b1d6954e17f5a 1f3e7f05-b2f6-11ef-9aff-00155d000105 https://dk.um.si/Dokument.php?lang=slv&id=187122 https://doi.org/10.3390/ma15207104 0 299c5b43-b2f6-11ef-9aff-00155d000105 https://dk.um.si/Dokument.php?lang=slv&id=187123 Fakulteta za kemijo in kemijsko tehnologijo 0 0 0