Materials Literature
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In this study, we investigated the behaviors and cytocompatibility response of human cervical carcinoma (HeLa) cells expose to nano-sized particles. Cultivated cells exposed to titanium oxide and indium oxide nanoparticles remained highly viable. In the presence of copper oxide (CuO); however, the cells became serious…
The electrochemical properties of Al-Zn-Ga-In-(Pb/Bi) anode alloy are studied by electrochemical test, including constant current test, polarization curve test, AC impedance test. Metallographic microscope is used to observe the microstructure of the alloy . energy spectrum technical is used to analyze the second phas…
We present results of measurements of the transport phenomena in the series of Fe1+dTe1−xSex single crystals. Namely, we investigate the longitudinal and transverse electrical and thermal conductivities in the parent compound Fe1+dTe as well as superconducting Fe1+dTe0.85Se0.15 and Fe1+dTe0.59Se0.41. This set of data…
This research reported on synthesis of silver nanoparticles using Bacillus amyloliquefaciens zxw01 culture mixed with silver nitrate. The nanoparticles were characterized by UV-vis spectrum, X-ray diffraction (XRD), Transmission electron microscopy (TEM) and high-resolution transmission electron microscope (HRTEM).In…
Technologies dedicated to the rapid prototyping uses a wide range of materials. The mostly used plastic materials are based on polymers. It is for example an Acrylonitrile Butadiene Styrene (ABS), Nylon, Polycarbonate (PC), or composites based on different polymers. New devices designed for the production of a prototy…
AFt phases – mainly ettringite and thaumasite, as products of sulfate attack in concrete, can cause serious damage to cement binder. The second mentioned, thaumasite CaSiO3∙CaCO3∙CaSO4∙15H2O, is connected to lower temperatures. It is less common and less known. For further research of this mineral, it is fundamental t…
Paper deals with the description of the MDF composite microstructure and the possible emergence of macro-pores. MDF composites show enhanced mechanical properties, especially flexural strength. Where, the flexural strength can be associated with the elimination of critical cracks in the material. One of the steps of p…
Sacrificial anode protection of stainless steel is required in severe application environment. In this paper, two kinds of Fe-based sacrificial anodes (20CrMo and 20CrMn) were used to protect 310S stainless steel. Protective effects were evaluated through constant current test and self-discharge test. Scanning electro…
Electric field can induce long range flow in liquid materials. This phenomenon is known as liquid electromigration. In particular case of Cr thin film deposited on an insulating substrate, application of high electric-field between two point electrodes results in liquefaction and subsequent flow of the liquefied mater…
We report on optimization of bar coating method for preparation of PEDOT/PSS thin films with large area on poly (ethylene terephthalate) (PET) substrates, by investigating various coating parameters in terms of sheet resistance (Rs) and transparency (T). As a result, we have found that the addition of 1 wt% Capstone F…
An advanced microencapsulation for n-octadecane has been successfully developed via UV photoinduced polymerization in this study, which was characterized by some superior qualities (e.g. rapid microencapsulation, energy-saving and environment-friendly) compared to conventional microencapsulation process. The morpholog…
In this study, the microcapsules containing binary alkane-alcohol organic eutectic of mixed n-tetradecane and 1-dodecanol (TD-DD) phase change materials as the core and poly (methyl methacrylate)(PMMA) as the shell were prepared by emulsion polymerization reaction. The microcapsules were characterized by using DSC, SE…
О ВОЗМОЖНОСТИ ПОЛНОГО СМЯТИЯ МИКРОНЕРОВНОСТЕЙ ЭЛЕМЕНТОВ ШЕРОХОВАТОСТИ ТЕЛ ИЗ УПРУГОПЛАСТИЧЕСКИХ МАТЕРИАЛОВ М.В. Мурашов, С
The thermoelectric power generation device can take out electric energy from thermal energy directly. In order to transform a difference of temperature into electric power efficiently, it is common to make the thermoelement of N-type and P-type into pi structure. Since the thermoelectric power of an element was small,…
Recent developments in nanochemistry offer precise morphology control of nanomaterials, which has significant impacts in the field of heterogeneous catalysis. Rational design of bifunctional catalysts can influence various aspects of catalytic properties. In the present work, a new type of Ni-M(Co, Zr, Ce)@SiO2 yolk-s…
Sr0.5Ba0.5Nb2O6 (SBN) ceramics with the BaO–B2O3–SiO2 (BBS) glasses have been successfully produced for high energy-storage density capacitor applications. The phase evolution, microstructures, dielectric properties and energy storage properties of the SBN-based glass ceramics were investigated. X-ray diffraction anal…
Li-rich layer-structure 0.6Li2MnO3·0.4LiNi1/3Co1/3Mn1/3O2 (LMO) cathode materials have been synthesized by sol-gel method using citric acid as a cheating agent. The effects of different ratios of solvent and the amount of excessive lithium are discussed systematically. When changing the ratio of ethanol/H2O and the am…
Graphite is one of the most important material for the reactor core and fuel elements of high temperature gas-cooled reactor (HTR). Improving the oxidation resistance of graphite is very essential for the research of new fuel elements and the development of HTR. In this study, a gradient SiC layer of 500~700 μm was pr…
Ceramic particles (such as VC, NbC, TiC, and WC), which exhibit high hardness and thermal stability, can be used for in situ fabrication of carbide-reinforced iron matrix composites with high macro-hardness and toughness. In this study, we describe a novel in situ process comprising infiltration casting and heat treat…
Si/C composites were prepared by spray dying and carbonization process using silica powder, artificial graphite and glucose as raw materials. The physicochemical property and electrochemical performance of composite materials were characterized by XRD, SEM, constant current charge-discharge and cyclic voltammeter (CA)…