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Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Chanyoung Yim, Maria O'Brien, Niall McEvoy, Sinéad Winters, Inam Mirza, James G. Lunney, Georg S.…
Ultrasmall, crystalline, and dispersible NiO nanoparticles are prepared for the first time, and it is shown that they are promising candidates as catalysts for electrochemical water oxidation. Using a solvothermal reaction in tert ‐butanol, very small nickel oxide nanocrystals can be made with sizes tunable from 2.5 t…
The fourth version of the program package WinCSD is multi-purpose computer software for crystallographic calculations using single-crystal and powder X-ray and neutron diffraction data. The software environment and the graphical user interface are built using the platform of the Microsoft .NET Framework, which grants…
I propose a van der Waals density functional (vdW-DF) that improves upon the description of energetics and geometries of molecules, solids, and adsorption systems over the original vdW-DF. The functional is based on the nonlocal correlation for the second version of the vdW-DF [Lee et al., Phys. Rev. B 82, 081101(R) (…
Black phosphorus exhibits a layered structure similar to graphene, allowing mechanical exfoliation of ultrathin single crystals. Here, we demonstrate few-layer black phosphorus field effect devices on Si/SiO2 and measure charge carrier mobility in a four-probe configuration as well as drain current modulation in a two…
ADVERTISEMENT RETURN TO ISSUEReviewNEXTUpconversion Nanoparticles: Design, Nanochemistry, and Applications in TheranosticsGuanying Chen*†‡, Hailong Qiu†‡, Paras N. Prasad*‡§, and Xiaoyuan Chen*∥View Author Information† School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin, Heilongjiang…
Abstract In November 2000, gas build-up inside the confined compartment around an offshore platform caisson leg led to an explosion. The gas was found to be hydrogen generated by the depleted anodes inside the caisson leg. An investigation of the fatal explosion made several recommendations, including removal of the a…
Abstract Monoethylene glycol (MEG) is injected in the pipelines to prevent hydrate formation, and subsequent pipeline blockage. Recent investigations indicated that presence of MEG could impede CO2 corrosion of carbon steel, although many aspects remain unknown. In the current study, experiments were conducted at 80 °…
Abstract The wet CO2 corrosion is a complex process, especially when crude oil is contained in the corrosion system. In this paper, the corrosion behaviors of 3Cr alloy steel, L245 and 16Mn steel in oil-water mixture emulsion with 10%, 30%, 80% water cut under various temperature in a dynamic condition were investigat…
Abstract The ultimate goal of this research is to develop the ability to predict the performance of low voltage, aluminum, sacrificial anodes based on chemistry. Low voltage, aluminum, sacrificial anodes are attractive since their operating conditions reduce the likelihood of causing hydrogen embrittlement or stress c…
Abstract Inorganic barium sulphate is one of the most difficult types of scale to inhibit in oil and gas production systems, due to its physical hardness and its chemical and thermal stability. Barium sulphate scale is most commonly inhibited using either phosphonate or polymeric scale inhibitors (SIs) deployed at sub…
Abstract Corrosion inhibition to mitigate preferential weld corrosion (PWC) was studied experimentally using the metallurgical condition of the welds and the inhibitor concentration as independent variables. The study simulated environmental conditions in a seawater treatment system sparged with natural gas, 2% CO2 an…
Abstract Pitting, crevice and stress corrosion cracking are the most damaging corrosion forms of stainless steels in industrial applications. Generally, pitting and crevice susceptibility depends on a variety of factors related to the metal (chemical composition, differences in the metallurgical structure, inclusions)…
Abstract One future objective is to develop advanced ultrasupercritical coal-fired boilers that incorporate oxy-firing to facilitate carbon capture. The steam condition goals of 760°C/34.5 MPa will require major materials changes throughout the boiler, including Ni-base alloys in the hottest sections. While a variety…
Abstract Localized corrosion of carbon steel welds has been thought to arise primarily from galvanic effects due to compositional differences between the deposited weld metal, the parent steel, and the heat affected zone induced by the welding process. The location and morphology of the preferential corrosion is influ…
Abstract The majority of internal corrosion damages in hydrocarbon production systems are associated with sweet corrosion and the limited performance of carbon and low alloy steels (C-steels) to this type of corrosion threat. Whilst past efforts to studying CO2 corrosion have largely been in relation to addressing sys…
Abstract Stress corrosion cracking (SCC) is a potential threat to the integrity of the double shell tanks at the Hanford site, which store legacy waste from the nuclear weapons program. The SCC behavior of carbon steels similar in composition to the tank steels was investigated in a series of environments designed to…
Abstract The scale-corrosion performance of combined inhibitors for oilfield has been assessed under scale-corrosion conditions in a newly developed bubble cell/jar test. The general corrosion of carbon steel X65, localised corrosion, bulk scale precipitation and surface scale deposition have been determined by variou…
Abstract CO2 (sweet) corrosion is one of the most dominant mechanisms of destruction of carbon steel equipment and piping used by the oil and gas industry. The presence of sand can accelerate the damage significantly. The combined effect of sand erosion and CO2 corrosion on carbon steel tubing and piping can greatly i…
Abstract Depending on the experimental conditions (composition, microstructure, stress, temperature, pH, chloride content, H2S partial pressure …) Duplex Stainless Steels (DSS) may suffer from uniform corrosion and/or from local corrosion processes that involve the selective dissolution of the ferritic phase or the au…