Materials Literature
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A composite system BaFe12O19/SrTiO3 with ferrimagnetic BaFe12O19 phase (BHF) and ferroelectric SrTiO3 phase (STO) have been prepared by mechanical alloying and subsequent heat treatment. The composite powders were studied by Particle Size Analyze, X-ray diffraction and magnetic measurement. It was found that the parti…
Cobalt( <sc>ii</sc> ) ions exhibit high efficiency for hydroquinone oxidation in HCO <sub>3</sub> <sup>−</sup> solution with O <sub>2</sub> to produce hydroxyl radicals.
In the present paper the effect of the substrate type and the corona polarity were investigated. Various biopolymer substrates (poly lactic acid (PLA), PLA with chitosan and lyophilized PLA) were prepared. These substrates were charged in a positive and in a negative corona and time dependences of the normalized surfa…
This report presents the luminescence and scintillation response of Ce 3+ -doped oxide glasses with high Gd 2 O 3 (30 mol%) content. The characteristic emission of Ce 3+ 5d → 4f transition peaking around 380 nm was observed in its luminescence spectra under UV and X-ray excitation. Photoluminescence decay kinetics was…
The paper presents the compressive and the short beam shear strength of a sandwich composite with opened cell foam made of bamboo fiber as the core and plywood as the skins. The core thickness was varied from 10 mm to 40 mm keeping the volume fraction of fiber constant. Several test s were carried out including the co…
An area-selective technique for electrochemical hydrogen detection with laser local activation (focused pulse YAG laser irradiation) has been newly developed. The developed technique was applied to measure hydrogen permeation behavior of iron at selected areas of various grain structures. The hydrogen permeation curre…
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 M. R. M. Jasni, M. Deraman, M. Suleman, E. Hamdan, N. E. S. Sazali, N. S. M. Nor, S. A. Shamsudin…
Physically adsorbed gas molecules have dramatic effects on the inherent properties of 2D nanomaterials due to their atomic/molecular-level thinness. In this work, we applied laser THz emission spectroscopy to study the gas adsorption-desorption dynamics of tungsten disulfide (WS2) nanosheets prepared by liquid phase e…
Health and safety (H&S) compliance should be the first and foremost issue to be considered by the readymade garment (RMG) organisations with the fullest sincerity to maintain a secure work life of the workers. The main objective of this paper is to study the status of H&S compliance by reviewing the degree H&S determi…
ZnO,CdO,ZnO-CdO nanocomposite were prepared using electrochemical deposition the prepared samples were characterized using X-ray diffraction and the photoluminenscence spectroscopy (PL) to get the surface morphology leading to calculation of optical energy gap .the grain size determined by Scherrer's equation (22-25)…
Silicon-based inorganic polymers are promising materials as matrix materials for glass fiber composites because of their good process ability, transparency, and thermal property. In this study, for utilization as a matrix precursor for a glass-fiber-reinforced composite, glassy silicone networks were prepared via hydr…
NO X pollutions affect our social manufacture and human being living, which has caused the extensive attention. NH 3 -SCR (selective catalytic reduction) has been largely studied to reduce NO X pollution. Most people focus on catalysts under N 2 and inert gases atmosphere, while few people research on the study of CO…
The chemical degradation processes of HDPE at 110℃ in air have been studied using light microscopy, FTIR analysis, micro-hardness and OsO<sub>4</sub> staining. It is shown that carbonyl groups C=O, (as detected by FTIR) are formed only in the surface layer and the effect on mechanical properties is marginal. On the ot…
Natural rubber based composites containing different carbon nanofillers (fullerenes, carbon nanotubes (CNTs) and graphene nanoplatelets (GNPs)) at different concentrations have been prepared. Their dielectric properties (dielectric permittivity, dielectric loss) have been studied in the 1 - 12 GHz frequency range. Som…
In this paper, viewed thermophysical characteristics of the moderator water graphite reactor RBMK. Indicated possibilities of controlling thermal state of graphite stack by regulation composition of the purge gas. Presents experimental results, but static thermal state characteristics of graphite moderator RBMK-1000.…
In this study, based on the Orowan equation and the principle of Bergstrom dislocation evolution, the plastic mechanical response of single crystalline micropillars is investigated by considering dislocation evolution. According to the single-arm source model, a physically revised Peirce-Asaro-Needleman (PAN) hardenin…
The work is aimed at processing highly efficient one-piece units of gas turbine aircraft engines discs with blades (blisks) to exclude heavy locking joints and to reduce the weight of the units while improving their reliability. Intermetallic γ ́+γ alloys based on γ ́-Ni 3 Al phase of the VKNA type selected as blade m…
The contribution of microorganisms, particularly bacteria, in carbonate mineral formation, the main natural processes controlling CO 2 level in the atmosphere, has played an important role since the Archean Eon. In this study we review our recent experimental work on CaCO 3 precipitation induced by two anoxygenic phot…
The valence state of transition metal ions in the Co1–x Fe x Cr2O4 (x = 0.1, 0.2, 0.5) system has been investigated using X-ray photoelectron and Mössbauer spectroscopy. It has been shown that, in this system, there are Fe2+ and Fe3+ ions. The relative Fe3+/Fe2+ contents have been determined by fitting the experimenta…
T. J. Cui and co-workers propose, on page 29, a new method to design planar dual-functional devices using isotropic holographic metasurface, in which two different functions are written on the same hologram with no mutual coupling. Via specific design, double-beam or double-polarization radiating devices are realized…