The present study aimed to develop and characterize super-hydrophobic nickel coatings through the electrodeposition process, employing myristic acid as a surface energy reducing agent, with the objective of enhancing corrosion resistance. ASTM A36 carbon steel (E00) specimens served as substrates for the application of three different coating conditions: pure nickel (E10); nickel associated with myristic acid (E01); and a bilayer structure consisting of a base layer of pure nickel succeeded by an additional layer of nickel enriched with myristic acid (E11). The samples were characterized through Optical Microscopy (OM), Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), X-ray Diffraction (XRD), and Fourier Transform Infrared Spectroscopy (FTIR). Corrosion resistance of the coatings was analyzed through potentiodynamic polarization (PP) tests and electrochemical impedance spectroscopy (EIS). XRD and FTIR tests confirmed the deposition of metallic nickel onto the substrate and the successful incorporation of the surface energy reducing agent. Micrographs illustrated the distinctive cauliflower-like clusters in the E11 coating, denoting its pronounced super-hydrophobic characteristics, culminating in a contact angle of 165º. Corrosion tests demonstrated superior anticorrosive behavior in the E11 sample, as evidenced by a heightened corrosion potential, diminished anodic current density, and an augmented impedance modulus. The results emphasize the role of superhydrophobicity in influencing the corrosion resistance of the developed coatings. superhydrophobic super hydrophobic process agent A A3 E00 E (E00 conditions E10 (E10) E01 (E01) E11. . (E11) OM, OM , (OM) SEM, SEM (SEM) EDS, EDS (EDS) Xray X ray XRD, (XRD) FTIR. (FTIR) PP (PP EIS. EIS (EIS) cauliflowerlike cauliflower like E1 characteristics 165º º sample potential density modulus E0 (E0 (E10 (E01 (E11 (OM (SEM (EDS (XRD (FTIR (EIS (E (E1

Superhydrophobic surfaces offer innovative solutions, particularly in water/oil separation systems, as they repel water and attract oil, enabling efficient separation. The study aimed to analyze coatings developed on galvanized steel and aluminum, regarding their wettability in saline water and diesel oil, aiming for applications in the oil and gas industry. Specimens underwent texturizing, in-situ growth of layered double hydroxide (ZnAl-LDH) film and modification with stearic acid (STA). Both LDH films exhibited similar binary hierarchical structures of hexagonal petals and micrometric flowers, interconnecting along the surface, forming pores that allowed for air entrapment after STA modification. CA for saline water exceeded 150º, and for diesel oil was under 10º, characterizing the coatings as superhydrophobic and superoleophilic. The coatings show promising potential for water/oil separation using recyclable substrates and a simple, low-cost, environmentally friendly process. solutions wateroil systems aluminum industry texturizing insitu situ ZnAlLDH ZnAl (ZnAl-LDH STA. . (STA) flowers surface 150º º 10º superoleophilic simple lowcost, lowcost low cost, cost low-cost process (STA