... mechanism. ^‡ Corresponding author. [email protected] 14 05 2024 26 08 2024 26 08 2024 © 2024, AMPP 2024 corrosion inhibitor electrochemical impedance spectroscopy fluorides mass loss sulfuric acid titanium T itanium (Ti) is well...

...%, with varying NaCl concentrations in the range from 500 mg/L to 10,000 mg/L. Dissociation of sulfuric acid yields the hydrogen (H⁺) and sulfate ( ) ions, the former of which lowers the pH value of a solution while the latter increases the concentration of sulfate ions that act as a corrosion...

...Narasi Sridhar; Andrzej Anderko The corrosion behavior of stainless steels and Ni-based alloys in nonoxidizing sulfuric acid mixtures at concentrations below approximately 30 mol/kg H₂O is modeled. The redox potential in sulfuric acid across a broad concentration range, from 0 to 80 mol...

...Hongjuan Li; Fei Ning; Haiying Dong; Kun Zhang; Zhanpeng Lu; Yuanjie Tang; Shuangwei Cai; Tongming Cui; Jiarong Ma; Xinhe Xu; Sichun Ling The effects of magnetic field on anodic dissolution and passivation of iron in a sulfuric acid solution with chlorides are investigated by electrochemical...

...). These reactions contributed to the production of nitric and sulfuric acid together with formation of elemental sulfur. Corrosion was observed on coupons of carbon steel, but not on stainless steels. The corrosion rate of carbon steel was low, but the amount of acids and solids (corrosion products) produced cannot...

... . 10 01 2018 14 07 2018 14 07 2018 © 2018, NACE International 2018 acid sulfate soils diffusion electrochemical measurement pyrite sulfuric acid underground corrosion Acid sulfate soils are considered a serious problem in various fields including agriculture...

... acid leachant as well as high-chloride impurity, oxygen, and metal cation contents. In this study, crevice corrosion behavior of highly-alloyed austenitic and duplex stainless steels is investigated in aerated high-temperature sulfuric acid solution with 1 g/L chlorides in the presence of three types...

... 07 2017 © 2017, NACE International 2017 lead-acid battery positive grid n-type semiconductor passivity surface preparation surface roughness sulfuric acid Pb-Ca alloys are widely used as a grid alloy in lead-acid batteries. A high overpotential for oxygen and hydrogen...

.... ^‡ Corresponding author. E-mail: [email protected] . 29 07 2016 14 01 2017 14 01 2017 © 2017, NACE International 2017 iron aluminide Fe-Al passivation polarization sulfuric acid It is well recognized that iron aluminides possess a high potential...

...Maysam Mohammadi; Ricardo P. Nogueira; Akram Alfantazi In this study, corrosion performances of the Pb-MnO₂ composite in a sulfuric acid electrolyte solution at a wide range of anodic potentials were investigated. The protective effects of manganese ions as an additive to the electrolyte...

...Jing Liu; Akram Alfantazi; Edouard Asselin The corrosion behavior of titanium was studied using mass loss and electrochemical measurements in sulfuric acid with Cl⁻, Cu²⁺, and Fe³⁺ additions up to 175°C. The corrosion rate of titanium in 30 g L⁻¹...

...S.A. Park; J.G. Kim; J.B. Yoon The effects of W (0.05 wt% W), Mo (0.05 wt% Mo), and Ti (0.05 wt% Ti) addition on the corrosion resistance of low-alloy steel used in flue gas desulfurization systems were examined using electrochemical measurements in a 10 wt% sulfuric acid...

...S. Jones; K. Coley; J. Kish When exposed to concentrated sulfuric acid, stainless steel exhibits unique electrochemical behavior. This behavior can be observed as an oscillation in open-circuit potential between the active and passive states. The transient nature of the corrosion behavior under...

...F. Ruel; P. Volovitch; L. Peguet; A. Gaugain; K. Ogle The origins of the second anodic current peak in polarization curves of AISI 430 (UNS S43000) stainless steel in deaerated 0.1 M sulfuric acid (H₂SO₄) have been investigated by potentiodynamic polarization and atomic...

...M.A. Amin; H. Shokry; E.M. Mabrouk The inhibition performance of three selected dihydrazide derivatives, namely, malonic acid (MAD), succinic acid (SAD), and adipic acid (AAD) dihydrazide, was tested in relation to nickel corrosion in 1.0 M sulfuric acid (H₂SO₄) solution...

... the formation of carbonic acid (H₂CO₃). In this work, a round robin of experiments has been executed in aqueous solutions where CO₂ has been added to water to form H₂CO₃ in situ, along with testing in sulfuric acid (H₂SO₄...

...A.M. Al-Turkustani; S.T. Arab; A.A. Al-Rehaili The effect of chloride ion addition on the corrosion and corrosion inhibition of mild steel in 1.0 M sulfuric acid (H₂SO₄) containing 10% ethanol (EtOH) at 30°C in the absence and presence of aqueous and/or alcoholic extracts...

... spectroscopy (EIS) in 10 wt% sulfuric acid (H₂SO₄) solution at room temperature. The potentiodynamic measurements indicated that the addition of phosphorus increased the cathodic hydrogen evolution reaction. X-ray photoelectron spectroscopy (XPS) analyses of the corroded surfaces after...

...-mail: [email protected] . 05 2006 11 2007 NACE International 2008 ammonium high temperature nickel pressure potential-pH diagram sulfuric acid themodynamics Supercritical water oxidation (SCWO) is a process that can be used for the destruction of hazardous organic materials...

... on the decomposition of chloroprene (C₄H₅Cl) and cation exchange resin, which generate hydrochloric acid (HCl) and sulfuric acid (H₂SO₄) in process fluids. In order to select candidate materials, short-period screening tests were carried out on various corrosion-resistant...