... of experiment. The results show that the mechanism of corrosion prevention by the inhibitor is time-dependent. According to the data, the inhibition efficiency increases with increasing inhibitor concentration. The results enabled creation of a three-dimensional diagram used for prediction of inhibition...

...Xin Liu; Wenjia Wang; Qiushi Li; Xuexue Xu; Yifan Lv; Sheng Wu; Yang Liu Hollow mesoporous Fe₃O₄ microspheres are attractive as corrosion inhibitor carriers for their structural stability, and strong superparamagnetic properties. Here, the morphology-controlled magnetic hollow...

...N. Laycock; V. Metri; S. Rai; A. Sabhapondit; J. Hartog; S. Ghosh; A.M. Abdullah The presence of CO₂ and H₂S in wet gas pipelines often creates the potential for high internal corrosion rates, which is typically mitigated by the injection of corrosion inhibitors. In practice...

...Marco Ormellese; Fabio Bolzoni; Andrea Brenna Corrosion inhibitors are additives that can work both as a preventative technique to delay the onset of corrosion or as a protection system to reduce corrosion rate, once corrosion is initiated. Several substances have been evaluated as possible...

... isotherm, despite both acting as a mixed-type inhibitor. Combining the two inhibitors increased the inhibition efficiency over 80% for the Cu-Ag alloy. XPS spectra demonstrate the formation of DMTD protective film through DMTD’s functional groups of pyrrolic N from the azole ring and thiol S from...

... the literature in which DFT is applied to problems such as the simulation of the properties of corrosion inhibitors, oxidation of metallic surfaces, localized corrosion, and the dissolution of metallic materials are then reviewed. Some speculations as to the future utility of DFT to further corrosion science...

... in This Study © 2019, NACE International 2019 aluminum alloy chromate corrosion inhibitor galvanic corrosion inhibitors pitting It is well documented that chromate conversion coatings (CCC) and anodization of Al precipitation age hardened alloys, such as AA2024 (UNS A92024...

... and propagation, surface microstructure, and electron transfer kinetics. The effectiveness of various protection schemes including coatings, inhibitors, and treatments has also been assessed. A comprehensive review of corrosion papers involving SECM from 1993 to present has been compiled with works broken down...

...Huiwen Tian; Y. Frank Cheng In this work, two novel inhibitors containing multi-functional groups were developed, and their inhibition performance for corrosion of X65 pipeline steel in CO₂-saturated oilfield formation water was investigated using electrochemical measurements, surface...

... dimensions of 2.5 cm by 2.5 cm by 0.3 cm were used. 2 2 2014 13 4 2014 13 4 2014 © 2014 NACE International 2014 aluminum corrosion electrochemical inhibitors praseodymium AA2024-T3 coupons were exposed in aerated, deaerated, and decarbonated NaCl solutions...

.... Therefore, the primary approach is to ensure the correct corrosion inhibitor selection and application to prevent PWC. Although there has been considerable focus directed toward the effect of flow rate on PWC in inhibited carbon dioxide (CO₂)-saturated environments, the consideration of a higher...

... corrosion and erosion-corrosion performance of the carbon steel parent metal of the pipe work in comparison to the heat-affected zone (HAZ) and the nickel-molybdenum weld material. The program of experiments assessed the potential of two corrosion inhibitors to control adequately the material degradation...

... at the top of the pipe. A novel idea is to inject the corrosion inhibitor within a foam matrix. The foam slug is formed first at an injection port and carried along the pipe by the gas phase. This process ensures homogeneous delivery of the inhibitor to the pipe wall along pipe sections suffering from TLC...

... concentration was addressed. Corroded samples were investigated using scanning electron microscopy (SEM). Polarization tests indicate that the presence of ATATH results in a marked decrease of the anodic current density with the increase of the inhibitor concentration. Standard free energy of adsorption...

.... The galvanic corrosion behaviors of the couples were compared in the EG solution before and after a combination of inorganic inhibitor sodium phosphate (Na₃PO₄) and organic inhibitor sodium dodecylbenzenesulfonate (C₁₈H₂₉NaO₃S) was added to the solution...

...S.M.A. Hosseini; M. Salari; E. Jamalizadeh; A.H. Jafari The corrosion inhibitor efficiency of aromatic amines for mild steel in 0.5 M sulfuric acid (H₂SO₄) was investigated using polarization and weight-loss measurements. The results revealed that these inhibitors exhibit good...

...J.A. Beavers; F. Gui; N. Sridhar This paper presents the results of a research program to study the effects of metallurgical variables, ethanol-gasoline blends, dissolved oxygen, and inhibitors on the stress corrosion cracking (SCC) of carbon steel in ethanol. The study utilized both slow strain...

...) measurements. The nature of the film formed and the adsorption mechanism, as well as thermochemical parameters involved, were explored and expounded. This investigation indicated that the inhibition efficiency increases with increasing the concentration of organic compounds. The inhibitors are of the mixed...

... spectroscopy (EIS), and scanning electron microscopy (SEM) techniques. The influence of nitrite anion as an inhibitor on the pitting corrosion was studied. Pitting potential was found to decrease linearly by increasing the logarithm of bromide ion concentration and was increased by increasing the nitrite ion...

...G. Hinds; A. Turnbull In the first part of this two-part paper we reported on the development of a novel test method to evaluate the performance of inhibitors for underdeposit corrosion under sweet (carbon dioxide [CO₂]) conditions for oil and gas applications. The use of a multi...