Materials Literature
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Polyaniline and its composites with carbon nanotubes or silver nanoparticles are prepared and characterized via electron microscopy, spectroscopy, conductometry, and BET analysis. The in vitro and in vivo toxicities of the materials are studied, and then the materials are used as sorbents of the influenza A and B viru…
Nanocarbons have many potential medical applications. Drug delivery, diagnostic imaging, and photohyperthermia therapy, especially in the treatment of tumors, have attracted interest. For the further advancement of these application studies, the microscopic localization of nanocarbons in tumor tissues and cells is a p…
The strengthening and change in austenite stability when steel of X18H10 type alloyed by nitrogen are investigated, for applications where corrosion-resistant structural steel must operate satisfactorily at both high and cryogenic temperatures. Alloying by nitrogen may be regarded as a promising means of increasing th…
A series of fluorine-containing bismaleimide (FBMI) monomers are synthesized by a 2-step reaction for using as the applications of low-k materials. The synthesized FBMI monomers are characterized by the 1H, 13C, 19F nuclear magnetic resonance (NMR) spectroscopy and element analysis. These FBMI monomers react with free…
Composite materials play a major role in engineering application due to its light weight, good stiffness, high specific strength and flexible nature. Because of these properties, fibers are interbreed with glass fiber for the applications in the automobile, aircraft industries and household appliances are wider. This…
The reduction of cogging torque in Permanent Magnet Brushless DC (PMBLC) Motor is very essential for high performance applications. This paper investigates on the development of a design which reduces the cogging torque to an optimum level. For this purpose, a comparative analysis on the conventional cogging torque re…
Linear polyboronphenylsiloxanes containing fluorine atom at silicon and acetylacetonate group at boron have been synthesized by mechanochemical activation. Mechanochemical activation of polyphenylsilsesquioxane and boron difluoride acetylacetonate taken in molar ratio 1 : 1 was shown to lead to the formation of polybo…
Partial Discharge (PD) measurement is a precise diagnosis to give the knowledge about the condition of the insulation. There are several methods to detect and measure the PD such as Electrical, Acoustic, Optical, Chemical and Ultra High Frequency (UHF) detection methods. Among all these methods, UHF sensor plays cruci…
In this paper, the variation of gamma prime precipitates along the creep specimen from the end to the fracture surface was studied, on which a necking phenomenon was observed. The morphologies and chemical compositions of gamma prime precipitates of crept DD417G alloy under the condition of 1000°C/115 MPa were studied…
The plasma scrape-off layer (SOL) in a tokamak is characterized by ion flow down a long narrow flux tube terminating on a solid surface. The ion flow velocity along a magnetic field line can be equal to or greater than sonic at the entrance of a Debye sheath or upstream in the presheath. This paper presents a numerica…
This study is to acquire the confirmation data regarding the cathodic protection and cathodic prevention characteristics for concrete slab specimens in marine environments. It was possible to confirm the performance of cathodic protection system by the measurement of potentials and current density for the concrete sla…
The potential of boron-containing lipids with three different structures, which were intended for use in boron neutron capture therapy, was investigated. All three types of boron lipids contained the anionic dodecaborate cluster as the headgroup. Their effects on two different tumor models in mice following intravenou…
This paper proposes Ag-Fe3O4films as a novel noise absorption material for the microstrip transmission line to replace current magnetic materials. The effect of the Ag-Fe3O4films on a microstrip transmission line for high-frequency noise absorption is discussed. Ag-Fe3O4films were prepared using the spin-coating techn…
Room-temperature electroluminescence is observed for the first time in type-II heterostructures based on InSb quantum dashes embedded in a narrow-gap n -InAs matrix. The heterostructures exhibit positive luminescence at wavelengths in the range 3–4 μm. This is due to the interfacial radiative transitions of electrons…
This paper considers the fracture mechanics analysis in ANSYS for cylindrical panels with semielliptical non-through surface cracks. The results of calculating the fracture mechanics parameters along the defect front are presented. A universal formula for determining the stress intensity factor value at the representa…
Low temperature fabrication of carbon nanotube based conductive composite polymer (CNT-CCP) film on conductive flexible substrate indium tin oxide coated polyethylene terephthalate film (ITO-PET) is developed as a low cost alternative to the Pt counter electrode especially for flexible quasi-solid state dye sensitized…
Features of the absorption, transmission, photoluminescence, and infrared (IR) spectra of anodic aluminum oxide (AAO) formed in a complex electrolyte and annealed at 800, 900, 1000, and 1300°C are investigated. The variations in the phase composition changes of the anodic aluminum oxide are reflected in the respective…
Two new photochromic labels of spiro[chromene-2,2’-indole] series supplied with 5-positioned maleimide moieties suitable for labelling macromolecules with sulfhydryl groups were synthesized.
A hot-pressing process is shown to enhance the adhesion of TiO 2 nanofibers electrospun onto fluorine-doped tin oxide substrates for use in dye-sensitized solar cells. By using the resulting electrochemical impedance spectroscopic characteristics, the application of 7, 14, and 21 MPa of pressure was found to result in…
A mathematical model of stress state of adhesive seal in a shaft-bearing bond under radial loading of a bearing assembly was obtained. A software application for computing deformations and stresses in the adhesive bond was developed.