Showing papers in "Corrosion Science in 2017"

TL;DR: In this paper, the influence of Al content and potential scan rate on stable/metastable pitting of Al xCoCrFeNi high-entropy alloys in a 3.5-wt. NaCl solution was investigated.

TL;DR: In this article, a solvent-based epoxy coatings filled with graphene oxide nanosheets (GO) was developed to enhance the corrosion protection of mild steel substrates.

TL;DR: In this article, four allyl imidazolium-based ionic liquids (ILs) with various length of alkyl chains were developed for the corrosion inhibition of copper in 0.5 m sulfuric acid.

TL;DR: In this paper, a micro-arc oxidation (MAO)/polymethyltrimethoxysilane (PMTMS) hybrid coating was fabricated via MAO processing and subsequent sealing with alkaline treatment and PMTMS.

TL;DR: In this paper, the authors investigated the inhibition performance of 2-(2′-hydroxylphenyl)benzothiazole, (1), 2(2′,5′-dihydroxyphenyl) (2), (2) and (4)-dimethyl-amine, (3) for mild steel in 1-M HCl.

TL;DR: In this paper, three halogeno-indazole compounds were investigated for corrosion inhibition of copper in 3.0 Wt% NaCl solution using potentiodynamic polarization measurement, electrochemical impedance spectroscopy, and X-ray diffraction (XRD) analysis.

TL;DR: In this article, the influence of temperature on the electrochemical and passivation behavior of 2507 super duplex stainless steel in the simulated desulfurized flue gas condensates in thermal power plant chimney is investigated.

TL;DR: In this article, four new 2-(substituted phenyl) benzimidazole derivatives have been synthesized and their inhibiting action on the corrosion of mild steel in 1-M HCl is compared with that of 2-phenyl benzimimide derivatives employing electrochemical and gravimetric measurements, as well as theoretical calculation.

TL;DR: In this article, a surface treatment approach of steel substrate by covalent modification of graphene oxide (fGO) nanosheets with 3-aminopropyltriethoxysilane to improve the adhesion and corrosion protection properties of an epoxy coating was introduced.

TL;DR: In this paper, the results of a systematic screening for magnesium corrosion inhibitors were presented, and the ability to form stable soluble complexes with Fe ii/iii was considered on first place when choosing the compounds for hydrogen evolution tests.

TL;DR: In this paper, the synthesis and characterization of ZnAl-PO 4 3− and Zn-Al-NO 3 − layered double hydroxides (LDHs) through employing FE-SEM, EDS and X-ray photoelectron spectroscopy (XPS) analyses was carried out.

TL;DR: In this article, the initial stages of the pitting corrosion in Q460NH weathering steel in a marine environment was studied, and two main types of inclusions were formed in the steel, and different pit morphologies were observed.

TL;DR: In this paper, the electrochemical corrosion behavior of Ti-6Al-4V prepared by electron beam melting was investigated in phosphate buffered saline and compared with those of traditional wrought counterpart.

TL;DR: In this paper, six amino acids were evaluated as corrosion inhibitors for carbon steel and copper in 0.5-mol L−1 H2SO4 solution by potentiodynamic polarization and electrochemical impedance techniques allied to Density Functional Theory (DFT) and Monte Carlo computations.

TL;DR: Graphene oxide (GO) was added into the electrolyte during the preparation of the plasma electrolytic oxidation (PEO) coating on AZ31 magnesium alloy as discussed by the authors, and the effects of the GO additive on the microstructure, phase composition, and corrosion resistance of the PEO coating were studied.

TL;DR: In this article, a wild-type Pseudomonas aeruginosa (PAO1) grown as a nitrate reducing bacterium biofilm on C1018 carbon steel was more corrosive under organic carbon source starvation.

TL;DR: In this article, a modified graphene oxide (GO) coating was prepared by anchoring a prepolymer of urea-formaldehyde (UF) resin onto GO sheets through in situ polycondensation.

TL;DR: In this article, three nonionic surfactants based on azodye and Schiff base condensed with poly ethylene glycol were prepared and their inhibition effect towards corrosion of steel in hydrochloric acid was investigated using electrochemical frequency modulation, electrochemical impedance spectroscopy, potentiodynamic polarization, quantum chemical calculations and molecular dynamic simulation.

TL;DR: In this paper, the authors investigated the evolution from superhydrophilic to super-hydrophobic surface state on corrosion behaviour of SS316L produced by Nd:YAG nanosecond direct laser texturing (DLT).

TL;DR: Gum acacia (GA) has been evaluated for steel inhibition in acidic medium as mentioned in this paper, showing a high efficiency in protecting steel from acid, and found as dependent on its concentration (1.0 ǫ/L).

TL;DR: In this article, the influence of crystallographic texture and grain size on corrosion behavior was investigated using the Mg alloy AZ31 sheets produced in the following ways: as-extruded (AR), cross rolling (CR), and unidirectional rolling (UR).

TL;DR: In this paper, the corrosion behavior and mechanism of carbon steel induced by extracellular polymeric substances (EPS) extracted from an iron-oxidizing bacterium culture were studied using surface analysis and electrochemical measurements in 3.5% NaCl solutions.

TL;DR: In this paper, the effect of extrusion on microstructures and corrosion properties of Mg-2Ca-χAl (χ = 0, 2, 3, 5 ) alloys were investigated.

TL;DR: In this paper, an epoxy-based nanocomposite coating with enhanced corrosion protection properties employing different mixtures of graphene oxide (GO) and Cloisite 20A montmorillonite (MMT) nanoclay (NC) particles functionalized with aminosilane and 1,4-butanediol diglycidyl ether (BDDE) molecules was developed.

TL;DR: In this paper, the authors used macromolecule DNA as green corrosion inhibitor to protect X80 carbon steel against 1M HCl solution, and the corrosion behavior was systematically investigated by weight loss, electrochemical measurements, FTIR, and quantum chemistry calculation.

TL;DR: In this article, the authors studied the corrosion characteristics of reinforcement in a 4-year naturally corroded concrete beam after accelerated chloride penetration and showed that the presence of transverse cracks in the tension surface of reinforced concrete beam can globally exacerbate the loss of cross-sectional area of rebar.

TL;DR: In this article, the authors studied the oxidation of three quinary equimolar high-entropy alloys, containing FeCoNCrAl, FeCoNiCrMn, and FeCo NiCrSi, in dry air.

TL;DR: A new organic compound N,N'-bis(1-phenylethanol)ethylenediamine was synthesized and its inhibition efficiency was studied with electrochemical impedance spectroscopy and potentiodynamic measurement, as well as solution assay analysis as discussed by the authors.

TL;DR: Tantalum (Ta) is introduced to the surface of the ZK60 Mg alloy by reactive magnetron sputtering to enhance the corrosion resistance and cytocompatibility.

TL;DR: In this article, the microstructure, mechanical properties and corrosion of Mg-2.4Zn-0.8Gd alloy with and without solution treatment before extrusion were investigated in vitro.