... negative vacuum treatment. The release behavior of the obtained composite inhibitors was detected by UV-vis spectroscopy, and the inhibition behavior of the composite inhibitors for mild steel in 3.5% NaCl solution was evaluated by electrochemical impedance spectroscopy and immersion tests. The results...

... August 2024 26 August 2024 © 2024, AMPP 2024 corrosion inhibitor electrochemical impedance spectroscopy fluorides mass loss sulfuric acid titanium T itanium (Ti) is well known as it has high anticorrosion ability. Due to the formation of a stable passive oxide film (mainly...

... and steel surface hydrophobicity, altering inhibition significantly after intermittent contact with hydrocarbon at 55°C. Electrochemical impedance spectroscopy and wettability results revealed distinct protective mechanisms when oil was present. ^‡ Corresponding author. E-mail: yh429518...

... consisted of epoxy resins embedded with either (1) Mg flake pigments (MgRP) or (2) Mg flake pigments and spherical Al-5 wt% Zn together as a composite (MgAlRP). A variety of electrochemical techniques were used to evaluate the performance including OCP monitoring, electrochemical impedance spectroscopy...

... dissolution remained an open question. The present study used electrochemical impedance spectroscopy (EIS) as the main technique, to study the mechanism of iron dissolution in strong acid chloride solution with and without the presence of CO₂. Results showed that the presence of chloride ions (0.5...

... ranging from −10 mV to +10 mV at a scanning rate of 0.25 mV/s. Subsequently, electrochemical impedance spectroscopy (EIS) measurement was conducted at OCP with a frequency range from 10⁵ Hz to 10⁻² Hz and an AC signal amplitude of 10 mV. Finally, dynamic polarization curve (PC...

... steels electrochemical impedance spectroscopy hydrogen pit morphology D uplex stainless steel (DSS) contains two phases: ferrite and austenite, which have approximately the same volume fraction. Austenite islands are dispersed within the ferritic matrix of DSS specimens, but warm-rolled DSS...

... electrochemical impedance spectroscopy sacrificial anode x-ray diffraction A A7xxx-series alloys are often used in the aerospace industry due to their high strength-to-weight ratio and general corrosion resistance. ^{1 - 2} These aerospace aluminum alloys (AA) are in frequent exposure...

... salts were studied using potentiodynamic polarization, linear polarization resistance, electrochemical impedance spectroscopy, and H₂ evolution measurement methods. The corrosion inhibition efficiency as a function of immersion time was also investigated. The morphology and chemical...

... corrosion rate corrosion resistance electrochemical impedance spectroscopy magnesium It is important to note that magnesium alloys have a high chemical activity and are prone to corrosion, which is why their corrosion mechanism is often described as “catastrophic”. ⁴ Mg and its...

... reaction, thereby enhancing the corrosion protection of carbon steel in freshwater. carbon steel cooling water inhibitors corrosion inhibitor electrochemical impedance spectroscopy irradiation x-ray photoelectron spectroscopy ^‡ Corresponding author. E-mail: otani.kyohei...

... of the 7B04 aluminum alloy substrate and exhibits a relatively uniform thickness. FIGURE 2. Cross-sectional optical morphology of the coating system. anticorrosion corrosion electrochemical characteristics electrochemical impedance spectroscopy organic coatings A luminum alloys have...

...Hooman Rahmani; Neil Spinner; Efstathios I. Meletis Electrochemical impedance spectroscopy (EIS) was utilized to delve into the corrosion inhibition of eutectic Cu-Ag alloy and its components (Cu and Ag) in an aqueous, aerated 0.1 M KNO₃ solution. This alloy plays a major role...

... heat-treatment processes in improving the corrosion resistance of the alloy. ^‡ Corresponding author. E-mail: [email protected] . 14 March 2023 30 April 2023 30 April 2023 © 2023, AMPP 2023 aluminum alloy electrochemical impedance spectroscopy heat treatment...

... to 5.49 wt%, which is a δ-ferrite content within the range of the two-layer claddings. 08 December 2022 20 April 2023 20 April 2023 © 2023, AMPP 2023 carbon steel cladding electrochemical impedance spectroscopy pitting corrosion stainless steel welding S...

...Sanja Martinez; Ivana Šoić; Valentino Golub; Bojan Hudec In the present study, we repeatedly used the surface-applied paste electrolyte cell to record the electrochemical impedance spectroscopy (EIS) spectra of four coating systems with different barrier properties exposed to different environments...

.... FIGURE 5. Variations of the microhardness with depth for the solution-annealed and HESPed samples. electrochemical impedance spectroscopy fluorides nickel alloys passivity pitting plastic deformation H ydrofluoric acid (HF) is a great part of the fluorochemical industry...

... resins embedded with either (1) spherical Al-5 wt% Zn, (2) spherical Al-5 wt% Zn and spherical Mg, or (3) Mg flake pigments. A variety of electrochemical techniques evaluated the performance specified including OCP, electrochemical impedance spectroscopy, diagnostic cycle testing, as well as zero...

... methylimidazolium derivates (potential catalyst candidates) on low-alloyed carbon steel were studied with electrochemical methods (potentiodynamic polarization and electrochemical impedance spectroscopy [EIS]). The ILs cause moderate corrosion around 0.1 mm/y at water content up to 10‰ and severe corrosion around 1...

... coating condition assessment electrochemical impedance spectroscopy epoxy field impedance testing This study seeks to report the effect of temperature on two-cell field impedance test data. This study performed impedance tests on two coatings in an outdoor environment across the daily temperature...