Materials Literature
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Silicone rubber nanocomposites were newly fabricated for outdoor insulation in a laboratory scale. Two kinds of mixing devices, namely a triple roll mill and a high pressure-type mixer, were used to compare the dispersibility of nanofillers. Nano-sized silica (SiO2) and boehmite alumina (AlOOH) particles were used as…
The ferromagnetic resonance (FMR) modes are worked out for the case of exchange coupled bilayer thin films where the anisotropy axis in the ferromagnetic film is tilted out of the plane. General formulas are obtained for the mode position, frequency and field linewidths, and intensity for an arbitrary tilt angle. The…
Molecular dynamics simulations have been performed to investigate the solvation characteristics of neutral fullerene (\documentclass[12pt]{minimal}\begin{document}$\rm C_{60}$\end{document}C60) and charged fulleride anion (\documentclass[12pt]{minimal}\begin{document}${\rm C}_{60}^{5-}$\end{document}C605−) in liquid a…
The possibility of using the LnO x mischmetal (Ln = Ce, La, Nd, Pr, Sm) for preparation of cathodes for solid-oxide fuel cells with the supported YSZ electrolyte is studied. The electrical and electrochemical characteristics of Ln-Mn-O electrodes with the ratio of all lanthanides contained in the mischmetal except for…
Silicone rubber (SIR) widely used in the insulation of the prefabricated power cable accessories is actually a kind of polymer composite which is usually composited by neat SIR and several weight percentages of silica (SiO2) particles. The aim of dispersing SiO2powders into the SIR is mainly to enhance the mechanic pr…
Traditionally, CMUTs are modelled using the isotropic plate equation and this leads to deviations between analytical calculations and FEM simulations. In this paper, the deflection profile and material parameters are calculated using the anisotropic plate equation. It is shown that the anisotropic calculations match p…
This study focuses the attachment of gold and silver nanoparticles on commercial micron sized silica particles. The silica was functionalized with amine groups by a commercial silane surfactant and a layer-by-layer process employing polyelectrolytes, respectively. The nanoparticles were produced by conventional water…
Precision measurements of the real and imaginary parts of the microwave surface impedance Z ac(T) = R ac(T) + iX ac(T) of the conducting ac layers of the k-(BEDT-TTF)2Cu[N(CN)2]Br crystals in the temperature interval of 0.5 < T < 100 K have demonstrated a series of features: (i) the temperature course of the field pen…
Conformational changes make the comparison of protein structures difficult. Algorithms that identify small differences in protein structures to identify influences on specificity are particularly affected by molecular flexibility. However, such algorithms typically compare proteins with identical function and varying…
Spacecraft have a serious damage due to the electrostatic discharge accident. Although the polymeric materials are used for surface materials of spacecraft as a multi layer insulator (MLI) and optical solar reflector (OSR), those materials are charged up due to radioactive rays, especially electrons and protons. The c…
Composite insulators have been used in power network systems for more than 20 years in China due to their remarkable anti-contamination performance. Compared to porcelain and glass insulators, the pollution flashover performance of composite insulators is better, whereas their icing flashover performance is still not…
We have investigated the space charge distribution in low density polyethylene (LDPE). Under high dc electric field, a huge amount of positive packet like charge is observed in LDPE. It moves towards the counter electrode under high dc electric field, and then the breakdown finally occurs. The reason of the generation…
Multiwall carbon nanotubes (MWCNTs) and platinum (Pt) were coated on fluorine doped tin oxide (FTO) coated glass by a direct current electrophoretic method, and were used as dye-sensitized solar cell counter electrodes. Scanning electron microscopy (SEM) detected the deposition of carbon nanotubes on FTO-glass. The de…
In this paper, the electronic and optical properties of graphene nanoribbons at both external transverse and modulated longitudinal electric field have been investigated. The single π-band tight-binding method, with the nearest neighbor interactions, is used to describe the electronic properties of the graphene nanori…
Kaneka has been proposing and developing the “advanced super-light trapping (ASLT)” structure for thin film silicon solar cells, which incorporates tailored light confinement structures in tandem thin film silicon solar cells to selectively enhance light trapping in top and bottom subcells. In this paper, we present t…
We have successfully developed novel aluminum-doped zinc oxide (AZO-X) films with a high haze ratio by the combined use of an etched glass substrate and wet-etched AZO-X films. The effects of the use of an etched glass substrate and wet-chemical etching on the properties of AZO-X films were investigated. The texture s…
The paper focuses on the hardware and software implementation of a novel sensorless rotor temperature estimation technique for Permanent Magnet Synchronous Machines (PMSMs). The method requires an intermittent injection of a voltage pulse in the d-axis of the motor while the q-current is kept zero. The slope of the re…
A self-calibrating wireless sensor network (WSN) of radiometers designed to detect PD radiation is proposed as a low-cost approach to real-time condition monitoring, asset management and operational optimization in the future smart grid. The principles of the proposed PD WSN are described in detail. Some early progres…
Abstract A “core–coronae” type hybrid amphiphile, which contains urethane unit in the coronae was synthesized, and the monolayer property was studied. The hybrid amphiphile formed a liquid-like monolayer at the air–water interface. The urethane groups formed intramolecular hydrogen bonds.
Changing winding arrangement is a simple method that does not require machine structure to be redesigned and substantial increase in efficiency or performance can be achieved. The goal of this paper is to present a comparative analysis of three types of winding arrangements for a three-phase 12/8 switched reluctance m…