Materials Literature
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Atmospheric radio frequency inductively coupled plasma (RF-ICP) is used as the high temperature heat source in this containerless method to measure the surface tension and viscosity of high melting point materials. Dynamics of melting, droplet formation, and drop detachment of a rod exposed to RF plasma are recorded.…
A time-resolved cathodo-and photoluminescence study of nanostructural modifications of Al2O3 (powders and ceramics) excited by heavy-current electron beams, as well as by pulsed synchrotron radiation, is reported. It was found that Al2O3 nanopowders probed before and after Fe+ ion irradiation have the same phase compo…
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A review (81 references mainly from the period 2000-2003) concerning new thermoplastic elastomers (TPE) combining, in the defined temperature range, the properties of chemically cured rubbers with facility of processing and recycling of thermoplastic polymers. Four groups of such products were singled out, namely: blo…
Abstract Recently the focused ion beam (FIB) tool has been successfully used to prepare site-specific geological specimens for subsequent analysis by TEM, and as a stand-alone instrument for micromachining of materials such as diamond. FIB enables to prepare a TEM foil from the specific location of interest. TEM foils…
The National Spent Nuclear Fuel Program, located at the Idaho National Laboratory (INL), coordinates and integrates national efforts in management and disposal of US Department of Energy (DOE)-owned spent nuclear fuel. These management functions include development of standardised systems for long-term disposal in the…
We report the theoretical and experimental investigations on the magnetocaloric effect in the PrAl2 and NdAl2 compounds and a composite of these compounds for use as an active magnetic regenerator. The theoretical calculations were performed considering the crystalline electrical field anisotropy and the magnetocalori…
Pitting corrosion in many important industrial materials such as stainless steels (SS) and aluminum alloys causes significant damage in terms of material loss or resulting accidents. Organic surfactants such as N-lauroylsarcosine sodium salt (NLS) and sodium dodecylsulfate (SDS) have been tested as possible pitting co…
This paper is concerned with how the superposition principle can be applied to the determination of steady state 3-D ac field distributions. All the electrodes of the configuration being calculated are considered to be set at alternating voltages of the same frequency but with possible different amplitudes and phases.…
Hydrogen trapping sites in hydrogenated nanostructured graphite (HNG) prepared by mechanical milling under hydrogen atmosphere were intensively studied with transmission electron microscopy (TEM) and electron energy-loss spectroscopy (EELS). Measurements of σ- and π-plasmon dispersion and 1 s →2 p * excitation spectra…
Y 2 SiO 5 :Tb 3+ thin film phosphors were deposited on flat and corrugated quartz glass plates by pulsed laser deposition (PLD) techniques in an attempt to use them in field emission displays (FED). As a preliminary step, cathodoluminescence and photoluminescence was monitored as a function of several processing param…
Thin nanocrystalline diamond/amorphous carbon (NCD/a‐C) composite films were prepared by microwave plasma chemical vapor deposition (MWCVD) from methane/nitrogen gas mixtures. The investigation of the basic films properties (crystallinity, morphology, composition, structure, etc.) showed that the layers are composed o…
Development of optimum system configurations for ships using scale models (physical scale modelling) The purpose of this fundamental study was to establish optimum cathodic corrosion protection system configurations for ship hulls. Comprehensive surveys were conducted in order to develop a better understanding of the…
The crystallization of glycoproteins is one of the challenges to be confronted by the crystallographic community in the frame of what is known as glycobiology. The state of the art for the crystallization of glycoproteins is not promising and removal of the carbohydrate chains is generally suggested since they are fle…
The solid solubility of CaTiOGeO 4 with CaZrOGeO 4 and the structural phase transitions occurring in this solid solution as a function of temperature and composition were examined using in situ high temperature X-ray powder diffraction. Structural phase transitions were identified based on the determination of spontan…
Understanding the mechanisms of solid-liquid systems is fundamental to the development and operation of processes for the production of agrochemicals and pharmaceuticals. The use of a strong inorganic base in an organic solvent, typically, potassium carbonate in dimethylformamide, is often used to facilitate the forma…
We report the first measurements, to our knowledge, of the modification of spontaneous emission rates of Eu3+ ions in the visible region owing to an absorbing medium. Precise levels of the absorption coefficient are introduced by codoping with different amounts of Nd3+. We use a binary glass system PbO-B2O3 as the hos…
This study evaluates the rustling sounds of polyester warp knitted fabrics using a psychophysiological technique. We generate and record the rustling sounds of three structural types—reverse locknit, double denbigh, and sharkskin—of warp knitted fabrics, all made from 75D polyester filament yarn at the same density. T…
This work has extended the knowledge of corrosion inhibition by sodium metavanadate (NaVO3) and copper carbonate (CuCO3) in the carbon dioxide (CO2) separation process using aqueous solutions of monoethanolamine (MEA). The inhibition behavior and performance of these two inhibitors were examined using the electrochemi…
Supramolecular porphyrazines with eight pyridine donor groups bound through ethylthio ester bridges on the periphery have been prepared. The pyridine donors were quaternized with iodomethane to octacationic porphyrazine. The nonanuclear supramolecular porphyrazine was prepared by the coordination of peripheral pyridin…