... as a laboratory screening method for corrosion inhibitor selection. micelle critical micelle concentration CMC corrosion inhibitor linear polarization resistance INTRODUCTION The oil and gas production industry faces increased pressure to reduce costs relating to the extraction and processing of oilfield...

...corrosion inhibitor synthesis linear polarization resistance aerated seawater INTRODUCTION Corrosion is a major form of materials degradation, particularly for carbon steel. Current estimates for the cost of corrosion for the world approach USD 2.2 Trillion per annum. ^{1 , 2 , 3} Thus...

... Inhibitors Linear Polarization Resistance Electrochemical Impedance Spectroscopy (EIS) INTRODUCTION Linear Polarization Resistance (LPR) measurements were made with a potentiostat designed for corrosion measurements. The voltage perturbation was ± 5 mV over the open circuit potential. A multiplexer...

... using linear polarization resistance (LPR) and electrical resistance (ER) probe techniques in the presence of excessive salt and moisture. Vapor phase corrosion inhibitors demonstrated excellent protection in corrosive environments, even where restricted geometries such as crevices, threads, notches...

... solution was studied with Linear Polarization Resistance (LPR) technique, Electrochemical Frequency Modulation (EFM) and Electrochemical Impedance Spectroscopy (EIS). Polarization resistance of rebar using LPR, EFM and EIS techniques exhibits a good agreement to some degree in the present researches...

...black liquor evaporator concentrator corrosion monitoring linear polarization resistance process analysis root cause identification data analysis INTRODUCTION Efficiency requirements for the black liquor recovery boilers have implied higher black liquor dry solids (DS). Earlier, a normal DS...

... reaction mechanism beyond simply reducing the solution pH. H₂S corrosion neutral and basic pH electrochemical impedance spectroscopy linear polarization resistance high strength low alloy steel INTRODUCTION The effects of hydrogen sulfide (H₂S) on the corrosion of high strength...

... and relative corrosion rates obtained from linear polarization resistance measurements. The properties and composition of the corrosion product deposits formed were determined using scanning electron microscopy, energy dispersive X-ray analysis and Raman spectroscopy. Under anaerobic conditions, corrosion...

... corrosion inhibitor to the rest of the structure. This paper will cover the corrosion rate data collection and present findings, which will include chloride level analysis, half-cell potential readings, concrete resistivity readings, and linear polarization resistance techniques. Migrating Corrosion...

... monitoring system. corrosion rate measurement corrosion probes corrosion monitoring equipment electrical resistance linear polarization resistance multiple array sensor technology electrochemical noise remote monitoring unit pipeline corrosion supervisory data acquisition and control proportional...

...: quaternary amine dimer and alkyl pyridine quaternary amine. Linear Polarization Resistance (LPR), Electrochemical Impedance Spectroscopy (EIS) were used to measure corrosion rates and to monitor the active-scale interaction. Scanning Electron Microscopy (SEM) was used to observe the morphology of the iron...

.... The ultimate objective is to find out if the high contents of chloride can initiate localized corrosion attack in a low-level H₂S system. The same type of carbon steel (C1018) was used for weight loss, linear polarization resistance (LPR), electrical impedance spectroscopy (EIS) and potentiodynamic...

... at 50 °C. The electrochemical technique used was the linear polarization resistance (LPR), obtaining the polarization curves and Tafel Extrapolation, in order to obtain the slopes tafel and the inhibitor efficiency, this one was determined from current density (i_corr) values with and without...

... imidazoline and phosphate ester compounds interact with iron carbonate. Tests were performed using the Rotating Cylinder Electrode (RCE) technique in conjunction with LPR (Linear Polarization Resistance), Tafel studies and EIS (Electrochemical Impedance Spectroscopy). Test samples composed of 1018 carbon...

... quaternized amine linear polarization resistance electrochemical impedance spectroscopy scanning electron microscopy INTRODUCTION Corrosion inhibitors are one of the numerous methods to protect against the corrosion process so the oil industry can maintain the demand of production. Researchers ^{4 - 9}...

... gaseous ash linear polarization resistance high temperature INTRODUCTION Corrosion in waste incineration (WTE or waste to energy) power plants is of continuing concern to WTE power plant operators. The aggressiveness and constancy of corrosion, due to the complex nature of the feedstock, drives...

... to 0.56 mole/mole and temperatures of 80, 120 and 140°C. Corrosion rates from coupon mass loss were compared to electrochemical techniques including linear polarization resistance, Tafel extrapolation (potentiodynamic polarization), electrochemical impedance spectroscopy and electrochemical noise...

...Abstract The estimation of corrosion current in field applications is mostly based on the Stern-Geary relationship and direct measurement of the polarization resistance R_p mainly with the linear polarization resistance technique but also with the electrochemical impedance technique...

... double-shell tanks for the balance of the cleanup mission. Hanford Site nuclear waste high-level waste single-shell tanks double-shell tanks waste chemistry specification ultrasonic testing corrosion monitoring electrochemical noise electrical resistance linear polarization resistance...

... corrosion inhibitors electrochemical testing linear polarization resistance Tafel polarizations cyclic polarizations INTRODUCTION Copper alloys are a common component found within industrial cooling systems, especially at the heat exchange surface. The corrosion of these surfaces and resulting galvanic...