Materials Literature
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We study the epitaxial structure and physical properties of B-site-ordered Sr 2 TiRuO 6 double-perovskite films by pulsed-laser deposition. The Ti/Ru order was evaluated (up to ∼67%) from intensity profiles of the out-of-plane reflections measured using a synchrotron-light source. The electronic states were investigat…
In this paper, the leakage magnetic field and short-circuit impedance model of split-winding transformer is established. The 2D and 3D leakage magnetic field are analyzed, and calculate through short-circuit impedance and split parallel branch current distribution in different working conditions based on the field-cir…
In this paper, suspension polymerization is used for the preparation of PMMA microspheres, PMMA cross-linking DVB microspheres, PMMA-co-St composite microspheres and PMMA-St-SiO 2 composite microspheres, and apply IR spectroscopy, scanning electron microscopy, compressive strength, density, thermal analysis to the pre…
Abstract The sliding friction and wear behaviors of Mg–11Y–5Gd–2Zn–0.5Zr (wt%) alloy were investigated under oil lubricant condition by pin‐on‐disk configuration with a constant sliding distance of 1,000 m in the temperature range of 25–200 °C. Results indicate that the volumetric wear rates and average friction coeff…
The geometric parameters of the molecular structures of M(II) (5456)macrotetracyclic complexes with a tetradentate (NNNN) macrocyclic ligand, formed by template reactions in the quaternary systems M(II)-2-amino-2-thioxoacetamide (H 2 N-C(=S)-C(=O)-NH 2 )-aminomethanamidine (H 2 N-C(=NH)-NH 2 )-methanal (formaldehyde,…
In this study, novel anionic starch derivatives (2,4‐bis(diiminobenzenesulfonic acid disodium salt)‐[1,3,5]‐triazine‐6‐yl)‐starch (BSTSS) were prepared by reacting 2,4‐bis(diiminobenzenesulfonic acid disodium salt)‐6‐chloro‐[1,3,5]‐triazine with natural corn starch. The molecular weight of samples with different degre…
A new series of symmetrical 3,6-diphenyl-1,2,4,5-tetrazines with four alkoxy tails were synthesized along with new examples with two alkoxy tails. Mesogenic properties were studied by differential scanning calorimetry and polarizing optical microscopy. The influence of the number and length of alkoxy chains attached t…
In this work, a novel and low phonon oxide glass based on the Bi2O3-ZnO-GeO2 system has been formulated and its structural, optical properties together with crystallization kinetics under non-isothermal conditions were investigated in detail. The crystalline phase formed during optimized ceramization process was ident…
Thermal diffusivity ( D ) was obtained from cristobalite formed via melting slightly hydrous fused silica using laser flash analysis. Natural samples have lower D due to contamination ( e.g. , with feldspar) or to varying amounts of pore space. Data collected from cristobalite from 298 to 1300 K is fit by 14.11×106 T…
Chrome shavings are one of the major solid wastes generated during the leather making process. The presence of chromium in waste creates difficulty in disposing to landfill and incineration. Growing environmental concern about the toxicity and environmental impact of the chromium solid waste generated from the tannery…
As the popularity of polymeric composites for outdoor high voltage (HV) use continues to increase, surface degradation through electrical discharge activity is becoming a more serious issue. In order to design composites offering improved resistance to degradation, and hence improved component lifetimes, tests need to…
In recent years, liquid silicone rubber (LSR) has been widely used in the external insulation field. However, further study on the degradation mechanism and the influencing factors of liquid silicone rubber is still required. Especially when it is used in southern parts of China, of which the high temperature and humi…
The performance of a diamond detector made of single-crystal diamond grown by chemical vapour deposition was studied for heavy ions, having energy of 3 MeV. Energy peaks of these low-energy ions were clearly observed. However, the pulse height for individual incident ion decreases with increasing atomic number of the…
This paper presents an iron loss measurement method for the actual stator core. At different manufacturing process, the iron losses are different even at the same level of B because the magnetic properties are different with different residual stress during the different manufacturing process. The iron loss at each ma…
In this paper, the model cables are studied by means of frequency domain spectroscopy (FDS) which involves the measurement of capacitance, the real permittivity and dissipation factor as a function of frequency. Firstly, XLPE cable samples were carried out accelerated thermal ageing at 135 °C. Then, frequency domain s…
The possibility of fabricating a composite system based on colloidal CdSe/ZnS quantum dots and GaAs nanowires is demonstrated and the structural and emission properties of this system are investigated by electron microscopy and photoluminescence spectroscopy techniques. The good wettability and developed surface of th…
It is found that the addition of NaNO2 to Tb2(SO4)3 · 8H2O crystals quenches tribo- and photo-luminescence from the latter. In the case of triboluminescence, the glow of both Tb3+* ions (solid component of triboluminescence) and N 2 * molecules (gas component) is quenched. The NO 2 − ion is known to be an efficient qu…
Epoxy resin has been widely used in dry-type insulation application, such as dry-type bushings. This study focuses on the temperature effect on the space charge characteristics and dielectric properties of epoxy resin. The space charge distribution measurement has been performed at different electric fields and temper…
Polymer bonded, injection molded magnets show great potential in their application in electric drives. Compared to conventional sintered magnets, the advantages of injection molded polymer bonded magnets are the freedom of design to produce complex shapes and complex magnetizing structures, as well as the option of in…
Colloidal InSb nanocrystals are synthesized by injecting stibine (SbH3) gas into a hot solution of indium myristate and dodecylamine in octadecene as described by Peter Reiss and co-workers on pages 828. Well-crystallized particles in the quantum confinement regime with a mean diameter of 8.8 nm and size dispersion be…