... of four viscoelastic materials using a specially designed test program. The tests were carried out in 3% NaCl water immersion conditions at 4, 25, and 65°C for 100 days, coupled with the use of electrochemical impedance spectroscopy (EIS) to periodically monitor the progress of water permeation...

...EXPERIMENT: COATING SAMPLES EVALUATED 3 epoxy based industrial coatings were selected to demonstrate the applications of the proposed CPE model. ABSTRACT EIS (Electrochemical Impedance Spectroscopy) technique has been used in many areas such as biosensors, battery development, fuel cell...

.... The wavenumber range was 500–4000 cm⁻¹. Electrochemical impedance spectroscopy (EIS) measurement was performed to determine the resistance of the coatings, and the measurement cell is shown in Figure 4 . The exposed sample area was 1 cm², with platinum mesh as the counter electrode...

...-inoculated acidic red soil solution under disbonded coating. Elastic stress enhances both pitting and SRB corrosion of the pipeline steel in crevice. X80 pipeline steel Acidic soil Sulfate-reducing bacteria (SRB) EIS Stress corrosion INTRODUCTION Microorganism influenced corrosion (MIC) is the corrosion...

...Low alloy steel bar Reinforced concrete Tropical marine atmosphere XRD EIS INTRODUCTION A large number of reinforced concrete structures have been used in many fields of offshore engineering facilities, such as sea-crossing bridges, harbour wharfs and oil production platforms ^{1 , 2}...

... the Electrochemical Impedance Spectroscopy (EIS) technique. Two probe types were used to measure the growth of bacteria: 1) a parallel plate system to measure total bacteria concentration (planktonic and sessile), and 2) a small-scale Interdigitated Electrode (IDE) system to measure the formation of biofilms (sessile...

...LPR and EIS data were taken every hour during a total exposure time of 6 hours. The electrochemical measurements were conducted with a Gamry ^‡ potentiostat/galvanostat. The full experimental matrix for electrochemical experiments is shown in Table 2 . The concentrations of decanethiol...

...Bio-oil corrosion biomass structural material stainless steel EIS INTRODUCTION Absrract Bio-oils derived from biomass contain organic species and acids that can be corrosive to steel-based structural materials used for pipelines and storage tanks. It is, therefore, important to assess...

..., alkenyl phenones, aromatic aldehydes, nitrogen containing hetrocyclic and quaternary salts and condensed products of carbonyl and amimes [ 6 ]. Absrract The corrosion inhibition performance of pyran derivatives (AP) on N80 steel in 15% HCl was investigated by electrochemical impedance spectroscopy (EIS...

... impregnation mitigation corrosion EIS INTRODUCTION Segmental bridges use Post Tensioned Tendons (PTT) made of high strength steel placed inside ducts filled with cement grout, which protects the steel from corrosion by maintaining an alkaline environment, hence promoting steel passivation. While grouting...

... as input to a physical model. Values of effective oxygen diffusing coefficients were obtained that are in the range of those reported in literature. Oxygen diffusion coefficient EIS Concrete Modeling INTRODUCTION Oxygen reduction is recognized as the main cathodic reaction responsible for corrosion...

... properties of nano composites are evaluated by EIS and Pull-off. Results showed that grafting of aminosilanes is successfully accomplished on nano particles surfaces. Nano iron oxide particles are dispersed uniformly in the epoxy matrix due to the surface modification process. In addition, anticorrosion...

... in CO₂/H₂S environment. Electroless Ni-P coating CO₂ H₂S corrosion EIS SEM electrolyte penetration INTRODUCTION Carbon steel has been widely used in the oil and gas industries due to its good mechanical and chemical properties and relatively low cost in the past...

... to direct outdoor exposure tests, localized corrosion was present on indoor wires which were coated with flexible filler and contaminated with fungi. Post-Tensioned Tendon Fungi Flexible Filler Corrosion EIS INTRODUCTION Corrosion of pre-stressed steel tendons is a concern for pre-stressed concrete (PC...

... in passive film properties as a function of time. Electrochemical impedance spectroscopy (EIS), Mott-Schottky analysis, and potentiodynamic polarization measurements were employed to characterize the changes that were occurring to the passive film. This paper presents the results of ongoing electrochemical...

... characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transforms infrared spectroscopy (FTIR), sedimentation test, and electrochemical impedance spectroscopy (EIS). One major finding was that superior compatibility of UF resin with epoxy resin retained the high...

... and provide a strategy for application of these products on different metallurgies. peracids peracetic acid peroxide electrochemical methods SS430 SS304 anodic cyclic polarization electrochemical impedance spectroscopy EIS INTRODUCTION However, biocides are dosed into pipes and tanks that carry water...

... evaluated using hot water immersion, Attenuated Total Reflection-Fourier Transform Infrared Spectroscopy (ATR-FTIR), Differential Scanning Calorimetry (DSC), Ion Chromatography (IC) and Electrochemical Impedance Spectroscopy (EIS) techniques. The results of the study can assist in understanding the failure...

... using RCA (Rotating Cage Autoclave) and EIS (Electrochemical Impedance Spectroscopy) methods were performed under CO₂ supercritical conditions with and without water and SO₂ as the major impurities in the system. In order to further study the corrosivity of the carbon steel...

...Electroless Ni-P coating Corrosion resistant alloys EIS Polarization Pitting corrosion Abstract In this study, a high-phosphorus Ni-P coating was prepared by electroless deposition method. The characteristics and corrosion property of electroless Ni-P coating were investigated by surface...