Showing papers in "Corrosion Science in 2019"

TL;DR: Two hitherto unexplored double condensed Schiff bases, namely, 4-(4-((Pyridin-2-yl)methyleneamino)phenoxy)-N-((polymethylene methylene)benzenamine (PPMB)) and 4-( 4-((Polymethylene amino) phenoxy)-n-phenoxy), were synthesized and their corrosion inhibitive performances on mild steel have been investigated in 1 mol L−1 HCl medium by gravimetric and electrochemical measurements as mentioned in this paper.

TL;DR: In this paper, the authors investigated the passivation and film chemistry of 2507 super duplex stainless steel in modified artificial seawater (ASW) and found that passive film becomes denser from pre-passivation to passivation region and pores form accompanied with the increase of oxidized Fe after transpassivation.

TL;DR: In this article, N-doped carbon dots (NCDs) were used to suppress copper corrosion in aggressive H2SO4 medium, and an anti-corrosion film was formed on copper substrate as a barrier that could prevent transportation of corrosive particles.

TL;DR: In this article, a super-hydrophobic polyhedral oligomeric silsesquioxane functionalized graphene oxide (GP) was synthesized by one-step condensation reaction.

TL;DR: In this paper, 1-benzyl-4-phenyl-1H-1,2,3-triazole was prepared using an environmental friendly and facile synthetic procedure and its performance as an organic corrosion inhibitor for mild steel in 1.0

TL;DR: In this paper, the inhibitive performance of carboxamide ligands, (N-(quinolin-8-yl) quinoline-2-carboxamide), Hqcq, and Hqpzc, was examined under steady condition in HCl solution at 25 °C for mild steel.

TL;DR: In this article, in-situ 2D and 3D microscopic technologies are used to analyze the influence of inclusions on pitting and stress corrosion cracking initiation of X70 steel in near-neutral pH solution.

TL;DR: In this paper, the influence of concentrations of 8-hydroxyquinoline (8HQ) on the morphology and corrosion resistance is reported first time, X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectra confirm the intercalation of 8HQ.

TL;DR: In this paper, the effect of a green eco-friendly 4-aminoazobenzene modified natural glucomannan (GL-PA) on the corrosion protection of mild steel in 0.5 M HCl solution was investigated by electrochemical measurements and surface characterization.

TL;DR: In this paper, 2-(2-pyridyl)benzimidazole (2PB) was assessed as a potential CO2 corrosion inhibitor for API X60 steel under static and hydrodynamic (rotation) conditions in NACE ID196 brine at room temperature.

TL;DR: In this article, the authors investigated corrosion inhibition of task-specific ionic liquids, 1-(4-sulfonic acid) butyl-3-ethyl imidazolium hydrogen sulfate and 1-( 4-sulonic acid), for carbon steel in 0.5 M HCl by electrochemical tests, SEM, UV-vis, XPS, contact angle measurements, molecular orbital theory, and MD simulations.

TL;DR: In this article, the authors studied the oxidation behavior of (Hf0.2Nb0.5Ti0.1Zr0.3Ta0.4Nb 0.2Zr 0.3Ti 0.4Ta 0.5Nb 1.2 ) high-entropy ceramics (HHC-1) in air for the first time and showed that the oxidation rate first increased with the temperatures increasing from 1073 to 1273, and then decreased with the temperature increasing from 1273 to 1473.

TL;DR: In this article, the influence of roughness on general corrosion and pitting of (FeCoCrNi)0.89(WC) 0.11 high-entropy alloy composite in 3.5 wt.% NaCl solution was studied by electrochemical measurements and composition characterization.

TL;DR: In this article, the corrosion inhibition behavior of 1-ethyl 3-methylimidazolium thiocyanate, (EMIM)+(SCN)− ionic liquid (IL), on API 5 L X52 steel immersed in 0.5 M H2SO4 and HCl aqueous solutions were studied.

TL;DR: In this paper, the microstructure, corrosion resistance and oxidation behavior of Zircaloy-4 samples were investigated by vacuum arc plasma deposition and their as-received coating is dense with no pores or defects observed.

TL;DR: In this paper, the effect of Sr on microstructure and corrosion behavior of biodegradable Mg-1Zn-1Mn-xSr alloy is investigated.

TL;DR: In this article, the high-temperature oxidation mechanism of a series of refractory high entropy alloys: TaMoCrTiAl, NbMoCr TiAl, NiMoCrNiO3, NiO3 and CrTaO4 oxides was studied at 1000°C in air.

TL;DR: In this article, the individual influence and synergy of simulated body fluid components on the corrosion of commercially pure Mg are investigated and the results demonstrate that corrosion acceleration in presence of the synthetic pH buffer, Tris/HCl, is attributed to the combined effect of three factors: increased Cl− concentration, complexation of Mg2+ and Ca2+, and consumption of OH− needed for products formation.

TL;DR: In this paper, a comparison of the corrosion behavior of mild steel (MS) and pure iron (PI), and synergistic action of 1-Hexadecylpyridinium chloride (HDPCl) and Br− ion are studied in 0.5 m sulphuric acid solution.

TL;DR: In this article, soluble poly(o-phenylenediamine) nanoparticles were synthesized to noncovalently functionalize the graphene nanosheets via π-π interactions, and the corresponding protective performance of epoxy composite coatings was also investigated.

TL;DR: In this paper, the authors investigated the MIC of carbon steel by sulfate reducing bacterium (SRB) Desulfovibrio vulgaris under organic carbon starvation using electrochemical methods to support weight loss and pitting data.

TL;DR: In this paper, the effect of microstructure on electrochemical response of commercially pure aluminium was investigated, and the results revealed insignificant differences for samples with different grain size, shape and fraction of HAGBs.

TL;DR: In this paper, the passive film formed on 2205 duplex stainless steel in pH 8.59 borate buffer solutions was studied by photo-electrochemical techniques and Mott-Schottky analysis.

TL;DR: In this article, the authors investigated the hydrogen embrittlement of E690 steel in thiosulfate-containing artificial seawater (ASW) under cathodic polarization, and the maximum permeation current was achieved at −850mVSCE due to the change of interfacial pH and promotion ability of sulfur species.

TL;DR: In this paper, a two-dimensional nanocomposite, salicylaldehyde@ZIF-8/GO (SZG), was synthesized by anchoring the ZIF8 nanoparticles containing the inhibitor salicyylaldehyde (SA) on GO nanosheets for corrosion protection of AA2024 aluminum alloy.

TL;DR: In this paper, cerium tri(bis(2-ethylhexyl)phosphate) (Ce(DEHP)3) particles were used as anti-corrosion pigments in epoxy coatings applied on steel coupons.

TL;DR: In this article, a micro-arc oxidation (MAO) sealed with poly(lactic-co-glycolic acid) (PLGA) composite coating was prepared on novel Mg-4Zn-0.6Zr- 0.4Sr magnesium alloy.

TL;DR: Li et al. as mentioned in this paper constructed porous anodized AA5083 and achieved super-hydrophobicity by fluorosilane self-assembly, and the surface topography, roughness and chemical compositions were investigated by SEM, AFM and XPS.

TL;DR: In this article, Mg-Al layered double hydroxides intercalated with nitrite ions were prepared by three different methods: calcined-rehydration (R-LDH), hydrothermal (H-LHDH), and coprecipitation (C-LDH) method.

TL;DR: In this article, the erosion-corrosion behavior of a near fully dense 316L stainless steel (316L SS) produced by selective laser melting (SLM) has been evaluated, for the first time, in a jet impingement system.