... 2024 anodic polarization carbon dioxide electrochemical impedance spectroscopy polarization sodium chloride A simple analysis reveals that an elementary (single-step) reaction is unlikely. For this to happen, a surface Fe_(s) atom would have to be oxidized by simultaneously...

... strain rate tests sodium chloride stress corrosion cracking threshold stress intensity A l-Mg-Si-Cu alloys, part of the 6xxx series of Al alloys, are recognized for their high strength-to-weight ratio, formability, and general corrosion resistance. ^{1 - 6} In order to meet...

...Fatima Z. Bouanis; Prisca Moutoussammy; Ileana Florea; Nadia Dominique; Thierry Chaussadent; Didier Pribat In this work, the properties of re-assembled graphene nanoplatelets were studied as an effective anticorrosion coating for aluminum (Al) substrate in 0.5 M sodium chloride (NaCl) solutions...

... were ground out before being exposed to a 3.0% sodium chloride solution at 60°C for 24, 48, 72, or 96 h. The corrosion pits on the base material samples were found to be randomly distributed, while those on the FSW joint were formed around the edge and center of the weld line. Energy dispersive x-ray...

... tests was confirmed through repeated measurements, and two representative results were selected. © 2017, NACE International 2017 galvanic corrosion magnetite nickel alloys sodium chloride steam generator Corrosion products, such as metal oxides and metal ions, are released...

...Mariano Kappes; Mariano Iannuzzi; Ricardo M. Carranza Stress corrosion cracking of the Mg-Al-Zn AZ31B (UNS M11311) alloy was studied in sodium chloride (NaCl) solutions at different potentials and NaCl concentrations using the slow strain rate technique. Results showed that stress-strain curves...

...Mattias Forslund; Christofer Leygraf; Changjian Lin; Jinshan Pan The radial spreading of selective leaching on an α-brass alloy, Cu20Zn, in diluted sodium chloride (NaCl) has been followed in situ by light optical microscopy. The corrosion process initiates through localized dissolution...

... copper corrosion inhibitors sodium chloride sulfide Copper and many of its alloys possess favorable combinations of thermal, electrical, and mechanical properties in addition to a moderate cost. 1–2 They are attractive construction materials for pipelines, heat exchangers, pumps, valves...

... in an acidified saline solution of 3.5% sodium chloride (NaCl). In addition, the specimens were exposed to concomitant fatigue and corrosion exposure during fatigue until failure by fracture occurred. Scanning electron microscopy (SEM) analysis indicated that fatigue cracks formed/nucleated from each pit...

...S.S. Mahmoud The pitting corrosion of aluminum bronze (Cu-6%Al) has been investigated in sodium chloride (NaCl) solution of different concentrations. Potentiodynamic anodic polarization and galvanic current-time measurements were carried out. The pitting corrosion potential, E_pit, shifts...

...°C. Results also show that Alloy 22 will not suffer crevice corrosion at ambient pressure at temperatures approximately 120°C and higher, since only nitrate-rich solutions can be formed in these conditions. deliquescence high temperature potassium nitrate sodium chloride UNS N06022...

... the critical factors that affect active oxidation, primarily tube temperature and the supply of reactants in the fluegas, namely, sodium chloride (NaCl), sulfur dioxide (SO₂), and water vapor (H₂O). Overall ranking in terms of increasing corrosion resistance to active oxidation follows...

... protection, inhibition, and repassivation). Primers were applied to the rebars and then embedded in mortar and subjected to two exposure conditions: partial immersion to different solutions of sodium chloride (NaCl; 0.4, 2.0, and 5.0%) and wet and dry cycles (12 h wet and 12 h dry) to a NaCl solution (3.5...

...Y.Y. Chen; H.C. Shih; Y.M. Liou; L.H. Wang; J.C. Oung The susceptibility to stress corrosion cracking (SCC) of Type 321 (UNS S32100) stainless steel (SS) under simulated petrochemical conditions containing thiosulfate and chloride (20 wt% sodium chloride [NaCl] + 0.01 M sodium thiosulfate...

... obtained in 0.5 N sodium chloride (NaCl) and in 0.5 M sodium sulfate (Na₂SO₄) + 0.1 N NaCl indicated that pitting should occur in these solutions. These results were confirmed by EIS data that were recorded for up to 25 days. For exposure to 0.5 M Na₂SO₄ + 0.05 N...

...Z.Y. Chen; S. Zakipour; D. Persson; C. Leygraf The atmospheric corrosion of pure copper has been investigated after the deposition of sodium chloride (NaCl) particles and exposure to humid air containing gaseous pollutants. Microgravimetry, Fourier transform infrared (FTIR) microspectroscopy...

... loaded to an initial value of applied stress intensity (K_app) equivalent to approximately 90% of K_IC and exposed in two ways: aluminum crack growth rate cracking environmentally assisted corrosion sodium chloride stress corrosion cracking The challenge...

... was calculated using Equation (1) : (1) %γ= 100– % α –% σ ‡ Corresponding author. E-mail: [email protected] . December 2003 May 2004 NACE International 2005 duplex stainless steel pit morphology potentiodynamic polarization sigma phase sodium chloride UNS S31803...

.... The purpose of this work was to characterize the anodic behavior of Alloy 22 in oxalic acid (COOHCOOH) solution and to compare its behavior to sodium chloride (NaCl) solutions. Standard electrochemical tests such as polarization resistance and cyclic polarization were used. Results show that the corrosion...

... combination, two systems have been selected for study: mild steel (MS) under anodic polarization in a sodium acetate–acetic acid buffer solution (NaAc-AcH) and Al in a sodium chloride (NaCl) solution. The onset of crevice corrosion is respectively believed to be determined by a critical potential drop (IR...