Materials Literature
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In this study, Al-Si alloy protective coating was deposited on the surface of ZM5 magnesium alloy by cold spray technology. Researchers observed the surface morphology of the coating by SEM, and researched tribological properties of the substrate material and the coating. The results show that, the bonding mechanism o…
Transparent conducting ZnO:Zr thin films were deposited on glass substrates by DC reactive magnetron sputtering in Ar+O2ambience with different Ar/O2 ratios. The structural, electrical and optical properties of ZnO:Zr films were analyzed by X-ray diffraction, four-point probe measurements and UV–vis spectrophotometers…
Recently, the inconsistencies are pointed out by previous authors for the problem of finding the strains, stresses and energy densities observed in isotropic elastic magnetostrictive materials that are in the form of thin films deposited on non-magnetic substrates. We discuss the reason of such inconsistencies that th…
We prepared BaTiO3/BiFeO3/BaTiO3sandwich structural film by sol-gel process. Antiferroelectric hysteresis loop was observed in the sandwich structural film. A Monte Carlo simulation based on Ising model using a 100×100 polarization grid is carried out. Simulating result matches to the experimental result very well and…
In multi-module inverter systems, phase-shifting transformers are needed to compose non-sinusoidal voltages into staircase waveforms approaching sinusoid. Aiming at the drawbacks of normal phase-shifting transformers with respect of installation and operation, the paper proposes a novel transformer of round shape rese…
In this paper, temperature-sensitive PET fabrics were prepared by Ar-plasma-induced simultaneous grafting Ploy-N-isopropylacrylamide (PNIPAAm) onto PET fabric. Fourier transform infrared spectroscopy (FTIR) was used to identify the structure of the grafted fabric. Then the surface morphology of the grafted fabric was…
An approximate method is proposed for designing a two-element airfoil. The method is based on reducing an inverse boundary-value problem in a doubly connected domain to a problem in a singly connected domain located on a multisheet Riemann surface. The essence of the method is replacement of channels between the airfo…
The authors report on a new depth profiling method of deep levels, which we call electrochemical isothermal-capacitance-transient spectroscopy (EICTS). This is combined with electrochemical capacitance-voltage using the Schottky barrier of etchable electrolyte and isothermal-capacitance-transient spectroscopy using th…
The critical behaviour of the electroclinic response in the chiral smectic A* phase in the vicinity of the second-order smectic A* to smectic C* phase-transition temperature has been investigated using a new electro-optic technique. The temperature variation of the electroclinic coefficient, the relaxation frequency a…
A new kind of polypropylene spun-bonded nonwovens (PSN) with excellent hydrophilic property was developed after finished with S 6237 hydrophilic agent. The infiltration time (IT) and the runoff (RO) were tested to evaluate the hydrophilicity of the finished PSN. The impacts of different agent concentrations, drying te…
We studied the influence of γ-ray irradiation on the water-tree properties of cross-linked polyethylene (XLPE), using a special cable to which a high voltage and γ-ray irradiation were applied.
Anisotropic cationic networks, which constitute the left-hand side of the binary opposition with isotropic cationic networks, are topologically identical in the structures of quite different rare earth compounds.
The paper gets the calculational method of check size in theory by discussing the effect factors of forming woven plaids. It realizes a calcuiation and design system of plaid by computer aided design. Meanwhile, by combining with the typical Tianzige and Jiugongge, the paper discusses the change regularity of check sh…
An approach which formed sheet structure through plane compression processing in the bulk of polymer (polypropylene (PP)) was suggested and the strengthening mechanism was presented based on a series of experiment. The variety of super-molecular structure that the spherulite deformed into ellipse even fractures piece…
The CdS thin film used as a window layer in the CdTe thin film solar cell transports photo-generated electrons to the front contact and forms a p-n junction with the CdTe layer. This is why the electrical, optical, and surface properties of the CdS thin film influence the efficiency of the CdTe thin film solar cell. W…
Phase change memory (PCM) features nonvolatility, high density, and superior power efficiency, making it one of the most promising candidates for future memory systems. This paper studies the impact of process variations on PCM based on a fast analytical model for determining PCM failure probability. The proposed anal…
The effect of misch metal and silicium additions to AZ31 magnesium alloy on the microstructure was investigated in this study. The results showed that needle shape Al11RE3 phase and polygonal type Mg2Si phase formed when misch metal and silicium were added to AZ31 magnesium alloy, which providing refined microstructur…
A steady the black Zinc-Manganese electrolytic phosphate bath for carbon steel was obtained with an orthogonal trial.Electrochemical Impedance Spectroscopy and Tafel Polarization curves were used to evaluate the corrosion resistance of phosphate coatings, scanning electron microscope (SEM) techniques were applied for…
A hyperbranched polymer (HBP-NH2) acting as a reducing agent and stablizer agent has been synthesized to investigate the stability of silver nanoparticles antimicrobial agent, which were prepared in a hyperbranched polymer matrix by a reaction with silver nitrate solution. The antimicrobial agents generated were chara…
The grafting polymerization reaction of hemp fibers and acrylonitrile was studied in this paper, discussed hyperchromatic solution of hemp fibers. The morphology, structure and chemical composition of hemp fiber after and before grafting polymerization treatment were analyzed through SEM, XRD and FTIR. Results showed…