[PDF] Top 20 Effect of Flow Rate on Corrosion Behavior and Hydrogen Evolution Potential of X65 Steel in 3.5% NaCl Solution

... circuit potential and then negative shift of 50 mV of cathodic protection potential one after ...constant potential should be pre-polarized for 10 minutes before the EIS ... See full document

... the X65 pipeline welded joint in simulated deep sea and shallow sea ...table 3 is corrosion potential, corrosion current density and Tafel slope of the fitting of Figure 6 ...table ... See full document

... Pipeline steel has been used in the transport of petroleum, petrochemicals, natural gas and water ...the corrosion activity of the steel and affects its reaction ... See full document

... 23Co14Ni12Cr3Mo steel has similar electrochemical polarization behavior in ...low rate scan curve, the SCC is controlled by the active dissolution at the anodic polarization ...scan rate range ... See full document

... acidic NaCl solution via a Luggin capillary and a salt bridge, and the sample as the working ...scan rate of 1mV/s. Potential sweeps are conducted in the potential range -800 to ... See full document

... the corrosion behavior of galvanized steel under 3.5wt% NaCl and chloride-free simulated rust layer (SRL) solution was investigated by electrochemical ...the corrosion ... See full document

... the corrosion behaviors of 15Ni, 23Ni, 31Ni and 40Ni steels in aerated ...3.5% NaCl solutions with various pH levels (2, 7 and 10) at ...The corrosion potential (Ecorr), corrosion ... See full document

... the corrosion behavior of carbon steel in a neutral ...aqueous solution using two different electrochemical cells, a rotating disk electrode and an annular flow cell with a cylindrical ... See full document

... the corrosion. Tian et al [6, 7] reported that the corrosion of X65 steel increased with the increasing electrode rotating speed, the presence of sand particles increased the anodic ... See full document

... superior corrosion resistance of stainless steel is attributed to the passive film formed on its surface ...semi-conductor behavior, and they prevent the metal base from contacting the caustic ions ... See full document

... 2392 corrosion resistance of stainless steels ...pitting potential, decreasing the incidence of current transients due to the metastable pits and facilitating the repassivation rate ...M NaCl ... See full document

... In present study, Azorubine dye (AZB) was used as corrosion inhibitor. It is a synthetic red food dye from the azo dye group. Its chemical name is, disodium 4- hydroxy-2- [(E)-(4-sulfonato-1- naphthyl) diazonyl] ... See full document

... high corrosion resistance [ ...dissolution,[8,9] corrosion cracking [10,11] and stress corrosion ...undergoes corrosion, a zinc oxide layer is initially formed which passivates the Brass ... See full document

... prepared after 24 h’s exposure in the air. Then XPS analysis was employed on samples to investigate the chemical composition of the passive film formed under natural air condition. The other samples were immersed in the ... See full document

... X-70 steel showed the best behavior with respect to the corrosion rate because it has a lower corrosion rate compared to API 5L X-52 steel, in this case the flow ... See full document

... the effect of direct current is much more severe than that of alternating current, especially when high voltage direct current transmission line runs with a single ...the flow of current can last from a few ... See full document

... corrosion process acquires the character of a diffusion process, in which, at high temperatures the amount of inhibitor present at the metal surface is greater than that at lower temperatures. This increase the ... See full document

... the corrosion resistance gradually decreased with the enhancement of alloying ...of corrosion film caused by localized ...localized corrosion increased with enhanced Al ... See full document

... of NaCl. This result shows that the pitting corrosion of 316L SS depends on the salt ...of NaCl concentration shifts Epit to more positive potentials ... See full document

... the steel substrate comes in good contact with the corrosive species, making the corrosion more likely to occur ...erosion–corrosion rate increases with the increase of angle ...the ... See full document