Materials Literature
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In order to have comprehensive understanding and better application about Modal fibers, the microstructure of Lenzing Modal (MD), Birla Modal (BLM) and Formotex Modal (FM) siro-spun yarn was investigated by XRD and FTIR spectroscopy. The tensile properties of the yarn were measured by an Instron tensile tester, the ha…
A non-chromate conversion coating was prepared from molybdate based bath on the surface of Zn-5%Al hot dip galvanized steel. The influence of the preparation conditions such as temperature, bath pH and treating time on the corrosion resistance of the obtained conversion coating was investigated. The corrosion performa…
We report on injection induced terahertz electroluminescence from SiC p-n junctions. The emission is assigned to intracenter optical transitions in shallow donors, initiated by the injection.
This study focuses on surface modification of local made fibres for use as reinforcement in the area of polymer matrix composite. Modified oil palm and Rice husk fibres were prepared by using alkaline treatment and the samples were investigated by using Helium pycnometry, Fourier transform infrared spectroscopy (FT-IR…
Here a simple method was developed to fabricate hydrophilic Polyethersulphone film via a sol-gel process. The correspondent hydrophilicity was evaluated by infrared spectral analysis, X-ray photoelectron spectroscopy, the contact angle measurement, atomic force microscope and scanning electron microscope analysis, res…
The research relates to a method for preparing an in-situ crosslinked polymer coating. It has excellent solubility in aqueous alkaline solution, but didnt dissolve in general organic solvents and water. The crosslinked polymer coating was made through the reaction of a copolymer derived from diacetone acrylamide (DAAM…
For hybrid and electric vehicle, high powers are needed for the acceleration, startup and recovery phases. For that, the chosen storage system must insure these high powers. The supercapacitors are powerful storage systems, which can reach more than 4,3kW/kg of specific power, and very high lifetime compared to the ot…
In this paper a theoretical investigation, based on the micromagnetic dynamical matrix method, of the metamaterial properties of a three-dimensional binary magnonic crystal is performed. The system is formed by a periodic array of cobalt circular dots partially embedded into a permalloy film 16 nm thick. The periodici…
We study the formation of the hydrophobic core for a villin headpiece 36-residue protein (HP-36) by using the successive time frames for the all-atom coordinates (as functions of the time-step index j ) obtained from action-derived molecular dynamics simulations. In an aqueous environment, the side chains of its hydro…
The coupling effects in bilayer thick metal (silver) films perforated with rectangular nanohole arrays are investigated using the finite-difference time-domain technique. Many interesting light phenomena are observed as the distance between the metal rectangular nanohole arrays varies. Coupling effects are found to pl…
Mono-modified β-cyclodextrins ligands, L1 (6-mono-(N-aminoethyl) amino-β-cyclodextrin) and L2 (6-mono-(N-(pyridin-2-yl) ethylamino)-β-cyclodextrin), and their platinum (II) complexes, 1 ([Pt (L1)Cl2]·8H2O) and 2 ([Pt (L2)Cl2]·4H2O), were successfully synthesized. As revealed by UV-Vis and CD spectroscopic studies, bot…
We performed systematic experiments on the synthesis of layered crystal α-ZrP and revealed the control of size, aspect ratio and size polydispersity of disk-shaped crystals. The growth of the disks is mediated by oriented attachment, taking place continuously throughout the hydrothermal treatment between various sized…
Stainless steel bar and wire products that cater to the high technology application in defence, nuclear, aerospace, oil field and chemical engineering is an area poised for rapid growth in India. The advancing capabilities of alloy steel plants in India have enabled mastering of techniques to make a wide variety of st…
Chitosan is a modified form of Chitin. It is a modified carbohydrate polymer derived by hydrolyzing the aminoacetyl groups of chitin. Chitosan is a biodegradable natural polymer which is, biocompatible, non-toxic. It also shows anti-bacterial properties. This polysaccharide is available in different forms such as nano…
The SiO2-BaO-CaO-MgO-ZnO glass-ceramic (GC) coating was prepared on the surface of the nickel based alloy GH140 by slurry spraying technique. Morphology, phase and elemental composition of the glass-ceramic before or after isothermal oxidation for 96h at 1000°C were investigated by SEM, XRD and EDX,. Results showed th…
A circular hole in a metal plane is covered by oblate spheroidal lenses of equal dimensions that are anti-isorefractive to each other and located on opposite sides of the hole. The structure is surrounded by free space and illuminated by an electric dipole located on the axis of symmetry of the structure and axially o…
We investigate the electromagnetic plane wave scattering by a cylinder coated by a magneto optical shell. In the long wavelength limit we show that a external static magnetic field can be used to tune the electric response of the system and then reduce the cylinder scattering cross section making it nearly transparent…
A facile process was developed to synthesize MoS2 nanospheres by a simple PVP assisted hydrothermal method. The samples were characterized by XRD, SEM and Electrochemical tests. SEM demonstrates that the obtained MoS2 has sphere-like morphology in the presence of surfactant PVP. Electrochemical measurements show that…
A rapid and sufficient osseointegrating functions is obviously essential to the patients who suffered the bone reconstruction period. In order to perfectly target this issue, a single-stage micro-arc treated (MAT) coating beneficial from its inherent porous morphologies with controllable pore sizes, strong adhesive fo…
The n-ZnO nanorods/p-Si nanowires heterojunction was fabricated by chemical method. The microstructure of the epitaxially grown ZnO nanorod was characterized by scanning electron microscopy, X-ray diffraction and transmission electron microscopy. The photoluminescence of the nanostructure showed a typical UV emission…