Anodic Dissolution of API X70 Pipeline Steel in Arabian

Anodic Dissolution of API X70 Pipeline Steel in Arabian

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WC-Co and WC-Co-Cr Coatings for the Protection of API

The influence of microstructure on the protective properties of the corrosion product layer generated on the welded API X70 steel in chloride solution.Corros.Sci.2013,70,170179.[Google Scholar] Sherif,E.S.M.; Seikh,A.H.Anodic dissolution in sulfuric acid pickling solutions of the API pipeline X70 grade steel.Int.J.Electrochem.The anodic dissolution of API X70 pipeline steel in Arabian Gulf seawater (AGSW) was investigated using open-circuit potential (OCP),electrochemical impedance spectroscopy (EIS),cyclic potentiodynamic polarization (CPP),and current-time measurements.The electrochemical experiments revealed that the X70 pipeline steel suffers both general and pitting corrosion in the AGSW solution.Author:El-Sayed M.Sherif,Abdulhakim A.AlmajidCited by:5Publish Year:2014Anodic Dissolution of API X70 Pipeline Steel in Arabian Was this helpful?Anodic Dissolution of API X70 Pipeline Steel in Arabian The anodic dissolution of API X70 pipeline steel in Arabian Gulf seawater (AGSW) was investigated using open-circuit potential (OCP),electrochemical impedance spectroscopy (EIS),cyclic potentiodynamic polarization (CPP),and current-time measurements.The electrochemical experiments revealed that the X70 pipeline steel suffers both general and pitting corrosion in the AGSW solution.Synergistic effect of halide ions and gum arabic for the the API 5L X70 pipeline steel which is used widely in the oil and gas industry.The working electrodes (API5L X70 pipelinesteel),forelectrochemicalexperiments,werecutinto 3 Anodic Dissolution of API X70 Pipeline Steel in Arabian#215;3 Anodic Dissolution of API X70 Pipeline Steel in Arabian#215;1cm,with the following chemical composition (weight percentage) C 0.12 max,Mn 1.68 max,Si 0.27min,P 0.012 max,S 0.005 max,Cr 0.051 max,Ni

Synergistic effect of halide ions and gum arabic for the

the API 5L X70 pipeline steel which is used widely in the oil and gas industry.The working electrodes (API5L X70 pipelinesteel),forelectrochemicalexperiments,werecutinto 3 Anodic Dissolution of API X70 Pipeline Steel in Arabian#215;3 Anodic Dissolution of API X70 Pipeline Steel in Arabian#215;1cm,with the following chemical composition (weight percentage) C 0.12 max,Mn 1.68 max,Si 0.27min,P 0.012 max,S 0.005 max,Cr 0.051 max,NiSynergistic effect of halide ions and gum arabic for the Jul 26,2018 Anodic Dissolution of API X70 Pipeline Steel in Arabian#0183;In previous study,3 with the same inhibitor (gum arabic),but in 1 M hydrochloric acid solution for API 5L X42 pipeline steel,the values of K ads were 10.03,8.7,8.4,and 7.9 L g 1 at 25,35,45,and 65 Anodic Dissolution of API X70 Pipeline Steel in Arabian#176;C,respectively,where the values of the inhibition efficiency were almost good and constant (the maximum value is 93%) with increasing Stress Corrosion Cracking of Carbon Steel in Carbonate (2013) Stress Corrosion Cracking of Welded API X70 Pipeline Steel in Simulated Underground Water.Journal of Materials Engineering and Performance 22:9,2550-2556.Online publication date 7-May-2013.

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Electrochemical Mechanism of Stress Corrosion Cracking of API X70 Pipeline Steel under Different AC Frequencies.Electrochemical and SCC behaviour of X70 pipeline steel samples were investigated under various AC frequencies to elucidate the mechanistic aspects of the alternating current (AC)-assisted stress corrosion cracking (SCC) of pipeline steels in simulated seawater solutions.Prof.Dr.Elsayed Mohamed Ahmed Sherif17.El-Sayed M.Sherif,Asiful H.Seikh,Anodic Dissolution in Sulfuric Acid Pickling Solutions of the API Pipeline X70 Grade Steel,International Journal of Electrochemical Science,Vol.10,issue 1,P.209-222 (2015).18.El-Sayed M.Sherif,A.A.Almajid,Electrochemical Corrosion Behavior of API X-70 5L Grade SteelPrevious123456NextStress corrosion cracking behavior of X70 pipe steel in an Aug 01,2008 Anodic Dissolution of API X70 Pipeline Steel in Arabian#0183;Thus,anodic dissolution reaction plays a significant role in SCC of X70 steel in the acidic soil solution.Furthermore,the primary cathodic reaction in this system is the hydrogen reduction.It is expected that the generated hydrogen atoms will penetrate into steel and get involved in

Pitting corrosion Article about pitting corrosion by The

Anodic dissolution of API X70 pipeline steel in Arabian Gulf seawater after different exposure intervals Figure 8 juxtaposes a photo of pitting corrosion in a steel plate and its visual representation on the basis of shallow internal corrosion sensor data.Kinetics of pipeline steel corrosion studied by Raman Anodic Dissolution of API X70 Pipeline Steel in Arabian#0183;Below,the utilization of the previously outlined method is tested on API X70 pipeline steel undergoing corrosion in an NaCl solution.Results Topography observationsElectrochemical characteristic and stress corrosion Jul 15,2019 Anodic Dissolution of API X70 Pipeline Steel in Arabian#0183;The test material used in this study was cut from an API X70 steel plate with a chemical composition (wt%) of 0.073C,0.24 Si,0.002 S,0.003 P,1.43 Mn,0.18 Ni,0.17 Cr,0.05 Nb,and Fe for balance.The microstructure of X70 steel was etched with 3% (volume fraction) Nital solution and observed by a stereomicroscope,as shown in Fig.1.The

Effect of pH Value on the Electrochemical and Stress

Sep 14,2015 Anodic Dissolution of API X70 Pipeline Steel in Arabian#0183;In this work,effects of pH value on the electrochemical and stress corrosion cracking (SCC) behavior of X70 pipeline steel in the dilute bicarbonate solutions were investigated using electrochemical measurements,slow strain rate tensile tests and surface analysis techniques.Decrease of the solution pH from 6.8 to 6.0 promotes the anodic dissolution and cathodic reductionEffect of Microstructure on Hydrogen Diffusion in Weld and Jan 01,2017 Anodic Dissolution of API X70 Pipeline Steel in Arabian#0183;Transgranular cracking occurred even under cathodic conditions where the anodic dissolution of the steel can be considered as negligible.Recent studies gave emphasis to the influence of the metal structure in hydrogen permeation [1,2,20] and discuss the effective diffusion coefficient.Effect of Microstructure and Texture Evolution on the Thermomechanical treatments were used to improve the corrosion resistance of API 5L X70 pipeline steel materials.Successive warm rolling was performed at consistently reduced temperatures; 700 Anodic Dissolution of API X70 Pipeline Steel in Arabian#176;C,600 Anodic Dissolution of API X70 Pipeline Steel in Arabian#176;C,and 500 Anodic Dissolution of API X70 Pipeline Steel in Arabian#176;C.Steel plates comprised of different ferrite grain sizes were produced.However,the finest grain distribution was achieved at 700 Anodic Dissolution of API X70 Pipeline Steel in Arabian#176;C rolling temperature.

Effect of Microstructure and Texture Evolution on the

Thermomechanical treatments were used to improve the corrosion resistance of API 5L X70 pipeline steel materials.Successive warm rolling was performed at consistently reduced temperatures; 700 Anodic Dissolution of API X70 Pipeline Steel in Arabian#176;C,600 Anodic Dissolution of API X70 Pipeline Steel in Arabian#176;C,and 500 Anodic Dissolution of API X70 Pipeline Steel in Arabian#176;C.Steel plates comprised of different ferrite grain sizes were produced.However,the finest grain distribution was achieved at 700 Anodic Dissolution of API X70 Pipeline Steel in Arabian#176;C rolling temperature.Dissolution kinetics of the sulfide-oxide complex Sep 01,2020 Anodic Dissolution of API X70 Pipeline Steel in Arabian#0183;Dissolution kinetics of the sulfide-oxide complex inclusion and its surrounding matrix of X70 steel in deaerated acidic environment was investigated.The dissolution process can be divided into three stages including the initiation stage,galvanic corrosion stage,and the corrosion propagation stage.Cr3C2-NiCr Coating for the Protection of API Steel In the present work,a layer of 75%Cr 3 C 2 25%NiCr with thickness of 260 Anodic Dissolution of API X70 Pipeline Steel in Arabian#177; 15 Anodic Dissolution of API X70 Pipeline Steel in Arabian#181;m was coated onto the API-2H pipeline steel surface using high-velocity oxy-fuel deposition.The effect of 75%Cr 3 C 2 25%NiCr coating on the corrosion of the API steel after 1 h,24 h,and 48 h exposure in 4.0% sodium chloride solutions is reported.The corrosion tests were performed using potentiodynamic

Combined Effect of Alternating Current Interference and

Anodic Dissolution of API X70 Pipeline Steel in Arabian#0183;Local anodic dissolution occurs attributing to the generated anodic current transients in the positive half-cycle of the AC current,resulting in the initiation of corrosion pits (0.62 m in diameter).AC enhances the SCC susceptibility of X70 steel under 0.775 V SCE CP,attributing to the promotion of anodic dissolution and hydrogen Cited by 5Publish Year 2014Author El-Sayed M.Sherif,Abdulhakim A.AlmajidAnodic dissolution of API X70 pipeline steel in Arabian Jan 01,2014 Anodic Dissolution of API X70 Pipeline Steel in Arabian#0183;Anodic dissolution of API X70 pipeline steel in Arabian Gulf seawater after different exposure intervals.CiteSeerX Anodic Dissolution in Sulfuric Acid Pickling The anodic dissolution of API X70 pipeline grade steel was investigated after different exposure periods of time and different temperatures in 1.0 M H2SO4 pickling solutions using optical microscopy,electrochemical impedance spectroscopy (EIS),and potentiodynamic polarization measurements.

Assessment on external corrosion rates for API pipeline

The anodic dissolution of API X70 pipeline steel in Arabian Gulf seawater (AGSW) was investigated using open-circuit potential (OCP),electrochemical impedance spectroscopy (EIS),cyclic Assessment on external corrosion rates for API pipeline The anodic dissolution of API X70 pipeline steel in Arabian Gulf seawater (AGSW) was investigated using open-circuit potential (OCP),electrochemical impedance spectroscopy (EIS),cyclic Anodic Dissolution of API X70 Pipeline Steel in Arabian The anodic dissolution of API X70 pipeline steel in Arabian Gulf seawater (AGSW) was investigated using open-circuit potential (OCP),electrochemical impedance spectroscopy (EIS),cyclic

Anodic Dissolution of API X70 Pipeline Steel in Arabian

Anodic Dissolution of API X70 Pipeline Steel in Arabian Gulf Seawater after Different Exposure Intervals Table 2 Parameters obtained from cyclic potentiodynamic polarization curves shown in Figure 6 for X70 steel after 1 h and 20 h immersion in Arabian Gulf seawater.Anodic Dissolution of API X70 Pipeline Steel in Arabian Anodic Dissolution of API X70 Pipeline Steel in Arabian Gulf Seawater after Different Exposure Intervals Figure 8 SEM micrographs obtained on the API X70 pipeline steel electrode after its immersion for 20 h in the Arabian Gulf seawater then steppingAnodic Dissolution of API X70 Pipeline Steel in Arabian Anodic Dissolution of API X70 Pipeline Steel in Arabian Gulf Seawater after Different Exposure Intervals Figure 7 Potentiostatic current-time curves obtained at 0.35 V versus Ag/AgCl for the API X70 pipeline steel electrode after (a) 1 hour and (b) 20 h immersions in the Arabian Gulf seawater.

Anodic Dissolution of API X70 Pipeline Steel in Arabian

Anodic Dissolution of API X70 Pipeline Steel in Arabian Gulf Seawater after Different Exposure Intervals Figure 6 Cyclic potentiodynamic polarization curves obtained for API X70 pipeline steel after its immersion for (a) 1 h and (b) 20 h in the Arabian Gulf seawater.Anodic Dissolution of API X70 Pipeline Steel in Arabian Anodic Dissolution of API X70 Pipeline Steel in Arabian Gulf Seawater after Different Exposure IntervalsAnodic Dissolution in Sulfuric Acid Pickling Solutions of temperature in the range from 20 Anodic Dissolution of API X70 Pipeline Steel in Arabian#186;C to 60 Anodic Dissolution of API X70 Pipeline Steel in Arabian#186;C highly increased the corrosion of the API X70 pipeline steel due to the faster and contentious dissolution of X70 steel with temperature.Results together were in good agreement with each other confirming that X70 steel suffers sever corrosion in H 2 SO 4 solution

Anodic Dissolution in Sulfuric Acid Pickling Solutions of

The anodic dissolution of API X70 pipeline grade steel was investigated after different exposure periods of time and different temperatures in 1.0 M H2SO4 pickling solutions using optical microscopy,electrochemical impedance spectroscopy (EIS),and potentiodynamic polarization measurements.Anodic Dissolution in Sulfuric Acid Pickling Solutions of Abstract.The anodic dissolution of API X70 pipeline grade steel was investigated after different exposure periods of time and different temperatures in 1.0 M H2SO4 pickling solutions using optical microscopy,electrochemical impedance spectroscopy (EIS),Analysis of the corrosion scales formed on API 5L X70 and ABSTRACT.Longitudinal welded joints samples of X70 and X80 API grade steel pipes were exposed to a deaerated 1% NaCl solution containing CO 2,at temperatures in the range of 25 Anodic Dissolution of API X70 Pipeline Steel in Arabian#186;C to 80 Anodic Dissolution of API X70 Pipeline Steel in Arabian#186;C for 48 hours.Analogous samples were exposed to the adjacent vapour phase.

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Anodic Dissolution of API X70 Pipeline Steel in Arabian Gulf Seawater after Different Exposure Intervals Figure 6 Cyclic potentiodynamic polarization curves obtained for API X70 pipeline steel after its immersion for (a) 1 h and (b) 20 h in the Arabian Gulf seawater.1.IntroductionThis dissolution reaction explains the abrupt increase of current with increasing the applied potential in the anodic branch.For the anodic side of Fe-36% Ni alloy (Figure 1(a)),the current increased followed by a rapid decrease before abruptly increasing again till the most positive applied potential.The forward anodic side for the second (PDF) Electrochemical Corrosion Behavior of API X-70 5L The anodic dissolution of API X70 pipeline steel in Arabian Gulf seawater (AGSW) was investigated using open-circuit potential (OCP),electrochemical impedance spectroscopy (EIS),cyclic

(PDF) Anodic Dissolution in Sulfuric Acid Pickling

The anodic dissolution of API X70 pipeline grade steel was investigated after different exposure periods of time and different temperatures in 1.0 M H2SO4 pickling solutions using optical

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