Materials Literature
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This work studied the effect of sonication time and dispersing medium on the dispersion state of 0.1%wt multi-wall carbon nanotube (MWCNT) in the MWCNT/epoxy nanocomposite system. Epoxy, hardener, and epoxy/solvent were used as dispersing mediums in this study. Tensile strength, strain at failure, Young's modulus and…
Due to their adequate properties, zirconium alloys are the reference materials for the nuclear fuel cladding tubes of Light Water Reactors (LWR). During some hypothetical accidental High Temperature (HT) transients, the materials should experience heavy steam oxidation and deep metallurgical evolutions. This promotes…
Zinc borosilicate glass (ZBS) with the formula 60ZnO–30B 2 O 3 –10SiO 2 was prepared by melt‐quenching method and the effect of addition of 0–15 wt% of α‐alumina (Al 2 O 3 ) on the spectroscopic, dielectric, and optical properties of ZBS has been studied. Structural and microstructural modifications of ZBS with alumin…
Calcium carbonate deposition is generally predominant in cooling water-circulating system. For the control of calcium carbonate, scale formation two types of polymeric scale inhibitors were used Polyamino polyether methylene phosphonate (PAPEMP) and polyacrylaminde (PAA).Model of cooling tower system have been built u…
The paper deals with phase diagram calculations and predictions of selected binary, ternary, and Zr-Nb-O-H quaternary system. These systems are important as alloy base for cladding materials involving fissionable fuel in nuclear industry. The main attention is focused on the phase diagram prediction of Zr-1wt.%Nb-O al…
Cluster dynamics (CD) is used to study the evolution of the size distributions of vacancy clusters (VC), self-interstitial atom (SIA) clusters (SIAC) and Cr precipitates in neutron irradiated Fe-12.5at%Cr alloys at T = 573 K with irradiation doses up to 12 dpa and a flux of 140 ndpa/s. Transmission electron microscopy…
In this study, both epoxy resin and multi-wall carbon nanotubes (MWCNTs) were modified with 3-isocyanato-propyltriethoxysilane (IPTES). Scanning electron microscopy and transmission electron microscopy microphotographs show that the MWCNTs dispersed well in the epoxy matrix. The molecular motion of silane-modified MWC…
In the present study, lignocellulosic-epoxy composites were prepared from Kenaf bast fiber at different loadings using resin infusion method. Montmorillonite (MMT) was used as a filler which would be mixed in the epoxy resin before the mixture (resin, hardener and MMT) was infused to the Kenaf fiber mat. The effect of…
Homogeneous amorphous Fe${}_{x}$Ge${}_{1\ensuremath{-}x}$ (0.3 \ensuremath{\leqslant} $x$ \ensuremath{\leqslant} 0.5) FMS films with a high Fe concentration were synthesized under thermal nonequilibrium condition by magnetron cosputtering. The microstructure, magnetism, electrical transport, and ferromagnetic resonanc…
In the present study, we systematically investigated the effect of mechanical milling on the magnetic properties of <TEX>$Sm_2Fe_{17}N_x$</TEX> powders produced by the reduction-diffusion process. The Sm-Fe powders obtained by the reduction-diffusion process were composed of an <TEX>$Sm_2Fe_{17}N_x$</TEX> single phase…
The phonon spectra of LaCoO${}_{3}$ were studied by inelastic neutron scattering in the temperature range of 4--120 K. The DFT calculations of the lattice dynamics have been made for interpretation of the experimental data. The observed and calculated phonon frequencies were found to be in a reasonable agreement. The…
Cold cathode carbon nanotubes (CNTs) are used in a low-voltage quadrupole ion trap mass spectrometer and shown to be a viable low-power alternative to filament sources for portable mass spectrometry instrumentation. No heating is necessary, and the power consumption depends only on the switching characteristics of the…
Electrospinning produces continuous fibres with diameters from single nanometres to microns by jetting polymer solutions in high electric fields. Electrospun non-woven filamentary materials attract rapidly growing interest for broad range of applications. Properties of these materials depend on their nano- and microst…
Both hardness ( H ) and rate sensitivity ( m ) of nanocrystalline NiFe alloys were studied by nanoindentation testing. It was found that H increases, and m decreases after rolling in the alloys. It is interesting that the decrease in m by rolling is totally contrary to the conventional coarse grain alloys. The disloca…
In this study, nanocomposites based on unsaturated polyester cured by ultra-violet (UV) radiation were prepared using Kenaf bast fibre and Montmorillonite (MMT) as reinforcing agent at different percentages. MMT was modified using an ion exchange process by replacing the sodium ions with alkyl ammonium ions from Cetyl…
This issue of the journal is dedicated to targeted delivery of therapeutics in the vasculature, an approach that holds promise to optimize treatment of diverse pathological conditions ranging from ischemia and tumor growth to metabolic and genetic diseases. From the standpoint of drug delivery, circulation system repr…
To study the relation between conductance, photoluminescence bands and structure of indium tin oxide (ITO), nano- and microparticles of ITO were synthesised using various methods, including hydrothermal, oxalate precursor decomposition and Pechini type sol–gel combustion methods. The resultant powders were analysed by…
We endeavor to gain insight into radiative and nonradiative decay phenomena of emitters proximate to gold nanorods (AuNRs), which could be useful in fluorescence enhancement and also in mitigating loss in metal nanostructures. Factors that influence the photoresponse, such as the orientation, positioning, and distance…
En el presente trabajo se ha estudiado el comportamiento frente a la corrosión y la biocompatibilidad in vitro/in vivo de la aleación de magnesio AZ31, cuyas propiedades mecánicas son superiores a los requisitos mecánicos del hueso. La aleación en estado de recepción ha mostrado una cinética de corrosión no compatible…
Ti nanostructures on Single-Wall Carbon Nanotubes (SWCNTs) have attracted considerable attention due to their potential applications in electronic nanodevices and molecular adsorption. We report on Density Functional Theory (DFT) results referring to Ti N ( N = 1, 2, 3, 7, 13) supported on SWCNTs and graphene. Two new…