... through electrochemical impedance spectroscopy ( EIS ) and adhesion testing. Findings Both thermoplastic and thermosetting resins were found to form continuous and complete film layers on the surfaces of aluminum alloys. Under conditions of comparable surface integrity and contact angles, distinct...

... parts, significantly reducing costs and enhancing component performance. Currently, selective laser melting (SLM) has become the mainstream process for metal AM in the aerospace field (Zhang and Gao, 2011). Selective laser melting EIS Additive manufacturing Corrosion Mechanical property...

... and combining with the electrochemical impedance spectroscopy (EIS) technique, the impedance characteristics of the thin coating (19 µm) and the thick coating (115 µm) in the fully immersion zone and the water level fluctuation zone were compared and analyzed. The Young model, power-law model and double layer...

... Wt.%). Design/methodology/approach Scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier-transform infrared spectroscopy and atomic force microscopy (AFM) were used to identify the MOFs and applied coatings. Electrochemical impedance spectroscopy (EIS...

... corrosion rates rather than the full-scale corrosion behavior of the zinc. This paper aims to study the full-scale corrosion evolution of galvanic steel under simulated marine atmospheric environment using real-time EIS measurement. Design/methodology/approach Electrochemical impedance spectroscopy (EIS...

..., adhesion strength and scratch resistance of coating have been evaluated. To reveal the effect of graphene on the anti-corrosion property of coating for aluminum alloy, the electrochemical impedance spectroscopy (EIS) has been conducted in 3.5 Wt.% NaCl medium. Findings Scanning electron microscopy...

... NMR), Carbon-13 (C13) nuclear magnetic resonance (13C NMR) and Fourier Transform Infrared Spectroscopy (FT-IR). Then, the inhibition efficiency of HEMAP on MS in a hydrochloric acid solution was investigated by potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). To explain...

... of the steel electrode was then studied using successively three methods: LPR measurements; EIS; and voltammetry. The electrodes were left at OCP for 15 min between each method. For LPR measurements, the potential was swept from OCP to OCP +15 mV, then down to OCP-15 mV, with dE...

...., 2023a , 2023b). In this work, self-assembled film on LY12 Al alloy was prepared by different processing processes in cerium nitrate and dodecyl phosphate solution. Electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization curve were used to test the corrosion resistance...

... because of the carbon fiber in the CFRP. Therefore, EIS of CFRP immersed in the different immersion tests was conducted on a PARSTAT 2273 electrochemical workstation. The EIS data was gathered at the open-circuit potential with the 10 mV amplitude of the sinusoidal voltage signal, and the scanning...

... ⋅ A ⋅ t × 8.76 × 10 4 Figure 1 gives the calculated CR of pure Mg, AZ31 and AZ91 in PBS, basing on the weight losses data after 72 h immersion via equation (1) : For EIS measurements, Gamry Reference 600 electrochemical workstation and the traditional three-electrode system...

... at the same time (Pan et al., 2022). Al alloy composite EIS Localized corrosion Figure 3 SEM images of the samples after corrosion exposure in 3.5 Wt.% NaCl solution at room temperature for 4 h: (a)–(c) plane samples (ND), (d)–(g) cross-sectional sample of the rolling direction (RD...

... 08 2022 07 10 2022 08 10 2022 © Emerald Publishing Limited 2022 Emerald Publishing Limited Licensed re-use rights only Q235 steel Passive film EIS Mott–Schottky XPS In this paper, the change process of passive film of Q235 steel in simulated concrete pore...

... particles Corrosion resistance Polarization EIS Salt spray The sacrificial zinc coating has been widely used to protect steel against corrosion. However, the dissolution rate of pure zinc coating during protection is rather high. To control the dissolution rate of zinc-based coating under harsh...

... strength of coating have been evaluated. To reveal the effect of SiO₂@Ce nanocontainer on corrosion behavior of epoxy-coated steel, the electrochemical impedance spectroscopy (EIS) has been conducted in NaCl solution. Findings Transmission electron microscopy and scanning electron microscopy...

... emission scanning electron microscope (FE-SEM) was used to examine the surface of the anodized oxide layer and electrochemical impedance spectroscopy (EIS) was used for electrochemical corrosion evaluations. Findings The results of corrosion tests showed that the sample anodized in the solution without...

... potentiodynamic polarization curves, electrochemical impedance spectroscopy (EIS) and immersion test in an aerated 3.5% NaCl solution. Findings The results showed that the activation treatment accelerated the deposition of the phosphate coating and improved its surface coverage. A higher phosphate coating...

... (EIS) measurements. Second, scanning electron microscopy, energy dispersive spectroscopy and X-ray diffraction were used to observe and test the corrosion product film immersed in the oilfield water for 30 days. Findings The results indicate that the tendency of metal corrosion becomes weaker...

... EIS Myristic acid Pseudoboehmite Self-assembly XPS Self-assembled layers Self-assembled layers (SALs) of amphiphilic molecules are often used to improve the corrosion resistance of metal substrates by working as barriers to prevent the permeation of moisture and electrolytes (Telegdi...

... techniques and electrochemical impedance spectroscopy [EIS]), surface analysis and metal released analysis were used. The concentration of the metal released was determined by atomic spectroscopy. The crystalline lattice system of the Fe–Cr–Ni alloys was investigated using X-ray diffraction (XRD...