Showing papers in "Corrosion Science in 2015"

TL;DR: The use of computational chemistry as a tool in the design and development of organic corrosion inhibitors has been greatly enhanced by the development of density functional theory (DFT) as discussed by the authors, which has enabled corrosion scientist to accurately predict the inhibition efficacies based on electronic/molecular properties and reactivity indices.

TL;DR: In this article, the authors present a review of literature which covers aspects of pitting corrosion observed in metallic materials, focussing on events associated with nucleation of pits, i.e. passivity breakdown, initiation of pits and their propagation stage.

TL;DR: In this article, the aqueous extracts of Musa paradisica (Banana) peels on mild steel corrosion in 1M HCl as well as change in inhibition efficiency with ripening of the peels are investigated by weight loss measurement, electrochemical impedance spectroscopy, Tafel polarization and atomic force microscopy (AFM) techniques.

TL;DR: In this article, the inhibition ability of a new S-heterocyclic Schiff base and the corresponding amine (DBTDA) towards mild steel corrosion in HCl solution was studied at various concentrations and temperatures using weight loss, polarization curves, electrochemical impedance spectroscopy (EIS) and scanning electron microscope (SEM) methods.

TL;DR: In this paper, 1H-pyrrole-2,5-dione derivatives were synthesized and their inhibitive action against the corrosion of carbon steel in 1 M HCl solution were investigated at 308 K by weight loss, potentiodynamic polarization curves, and electrochemical impedance spectroscopy (EIS) methods.

TL;DR: In this article, a hydrophobic surface was fabricated through the micro-arc oxidation (MAO) and subsequent stearic acid surface modification of AZ31 Mg alloy, achieving a maximum water contact angle of 151.5° after 10h of modification.

TL;DR: In this article, two novel imidazoline derivatives, 2-(2-trifluoromethyl-4,5-dihydro-imidazol-1-yl)-ethylamine (1-IM) and 2-( 2-trichloromethymyl- 4,5dihydron-dimitriou-dimethyl-dimethoxide (2-IM), have been investigated as corrosion inhibitors for mild steel in 0.5m HCl solution by weight loss, potentiodynamic polarization and electrochemical

TL;DR: A review of the relevant works to date which have studied corrosion behaviour of nanocrystalline stainless steels, relating the performance to processing, along with attention given to mechanistic aspects which dictate corrosion, is given in this article.

TL;DR: In this article, the inhibition performance and mechanism of 1-octyl-3-methylimidazolium bromide ([OMIM]Br) and 1-allyl- 3-octylimidaxoliambromide [AOIM] Br were investigated using weight loss method, electrochemical measurements, scanning electron microscope (SEM) and quantum chemical calculation.

TL;DR: In this article, the effect of 4,6-diamino-2-pyrimidinethiol (4D2P) on mild steel corrosion in 0.1 M HCl solution was investigated by linear polarization resistance, electrochemical impedance spectroscopy and potentiodynamic measurements in the presence of different concentrations of 4 D2P ranging from 10.0 mM to 0.5 mM.

TL;DR: In this article, four bis-benzimidazole derivatives, tested as potential corrosion inhibitors for mild steel in 1M HCl, have revealed good inhibition efficiency for long period of exposure.

TL;DR: In this paper, the authors investigated the corrosion inhibition by alkaloids extract (AE) from Geissospermum laeve on C38 steel in 1-M HCl with electrochemical studies.

TL;DR: In this paper, the success of pectin as an eco-friendly corrosion inhibitor for mild steel in HCl solution is discussed considering thermodynamics of adsorption and kinetics of the electrochemical reactions.

TL;DR: In this article, the corrosion behavior of carbon steel was investigated in the presence of SRB and IOB separately in their respective culture media and in the mixed culture of SRBs and Iob in artificially produced water with 4.2 µmg/L dissolved oxygen.

TL;DR: In this paper, two novel imines were synthesized and their inhibitive properties on mild steel corrosion in HCl were investigated using potentiodynamic polarization, electrochemical impedance spectroscopy and linear polarization resistance corrosion rate.

TL;DR: Inspired by the special microstructure of plant leaves such as lotus leaves, this paper prepared super-hydrophobic surfaces by a fast, facile, and one-step electrodeposition on copper substrates.

TL;DR: In this article, the interactive influence of the alloying elements calcium and zinc on biodegradable magnesium was investigated through the low-concentration variation of both Alloying elements, the formation and distribution of microstructural phases and the in-vitro degradation behavior were investigated to gain mechanistic insights.

TL;DR: In this paper, the active protection properties of the benzimidazole (BIA) and zinc cations (Zn 2+ ) intercalated sodium montmorillonite clay particles in an epoxy ester coating were studied by an electrochemical impedance spectroscopy (EIS).

TL;DR: In this article, a study of some environmental parameters and their influence in the airborne chloride deposit on the site has been accomplished, considering mild steel corrosion rate and the resulting corrosion products and layers, and its dependence of atmospheric salinity of the site.

TL;DR: In this article, a solution-processable graphene coating was synthesized by grafting polymethylmethacrylate (PMMA) brushes on graphene oxide (GO) via surface-initiated atom transfer radical polymerization (ATRP).

TL;DR: In this paper, the surface morphology and composition of the cerium-based conversion coatings (Ce) were studied for the St-37 steel substrate which was post-treated in an ambient temperature zinc phosphate chemical treatment bath.

TL;DR: In this paper, the influence of grain size on pitting corrosion of 304L stainless steel in 3.5-wt. NaCl solution was investigated by electrochemical methods employing the statistical approach.

TL;DR: In this article, the corrosion behavior of WE43 and ZK60 Mg alloys was investigated in Ringer's solution and simulated body fluid (SBF) and it was shown that in the initial stage, the increase in the corrosion resistance on both Mg-alloys was more than 6 times than in SBF.

TL;DR: In this article, a small amount of Nd is introduced into rare-earth WE43 magnesium alloy by ion implantation, and the surface composition, morphology, polarization, and electrochemical properties, as well as weight loss, pH, and leached ion concentrations after immersion, are systematically evaluated to determine the corrosion behavior.

TL;DR: In this paper, annealed and cold-rolled grade 2205 duplex stainless steel has been correlated with microstructure analysis using electron back-scattered diffraction (EBSD).

TL;DR: In this article, microstructure, composition and the corrosion resistance of Mg-Ca alloys were analyzed using SEM, EDS, XPS, EPMA, XRD, electrochemical and immersion tests.

TL;DR: In this article, the adhesion property and corrosion performance of silane-incorporated epoxy coatings were systematically studied by pull-off test, salt spray test, electrochemical impedance spectroscopy and scanning electrochemical microscopy.

TL;DR: In this article, the quinolinium salts on mild steel (MS) corrosion in 0.5 M H2SO4 were investigated at various concentrations and temperatures by gravimetric and electrochemical techniques.

TL;DR: In this paper, the influence of hot rolling on the corrosion of Mg-X alloys was investigated by immersion tests in 3.5% NaCl solution saturated with Mg(OH)2.

TL;DR: In this article, the microstructure of the oxides formed on FeCrAl alloys was characterized by various analysing techniques and it was concluded that depending on the test conditions, mostly different oxide phases of α-Fe 2 O 3 and α-Al 2 O3 were formed.