Materials Literature
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PbS thin films were prepared on indium–tin oxide transparent conductive film glass substrates using a constant voltage cathodic electrodeposition method. The as deposited thin films were characterised by XRD, AFM and Fourier transform infrared spectrometer. The influence of pH value on the phase compositions, surface…
Over the last few years, intensive research has been devoted to the exploitation of vegetal fibres in composite reinforcements. The mechanical properties of the natural fibre reinforced composite materials are largely dependant on the adhesion between the fibre and the polymer matrix. To improve the interfacial adhesi…
Abstract In this study, styrene maleic anhydride copolymer (SMA2000, Styrene : Maleic Anhydride 2 : 1) is grafted and/or crosslinked with epoxidized methyl oleate, epoxidized soybean oil, methyl ricinoleate (MR), castor oil (CO), and soybean oil diglyceride. Base catalyzed epoxy‐anhydride and alcohol‐anhydride polyest…
Based on the temperature dependence of the Arrhenius law, an HSPICE compact module using Verilog-A language for phase change memory (PCM) is presented. In the model of this HSPICE compact module, the basic theory that the resistance of the amorphous semiconductor has relations with the activation energy and temperatur…
We studied the dynamics in the chiral mesogenic phases observed in binary mixtures of 5CB and bent-core molecules by using dynamic light scattering. In the lower-temperature phase, a clear orientational fluctuation was observed, which was not observed in the higher-temperature one. The wave number dependence of the re…
Described herein is a transfer-arm evaporator cell (TAE-cell), which allows for rapid loading of materials into vacuum for low-temperature sublimation deposition of thin films. This design can be incorporated with an existing analysis system for convenient in situ thin film characterization. This evaporator is especia…
The method of thermal neutron diffraction has been used to study samples of the EK-181 steel at temperatures of 15 to 973 K in an IBR-2 reactor (Joint Institute for Nuclear Research (JINR)). Temperature dependences of the lattice parameter, internal textural stresses (of the third kind), and the Debye-Waller factor of…
In the ITER-like wall project, the JET tokamak will employ tungsten-coated carbon fibre reinforced composite (CFCs) tiles for the outer and inner divertor tile rows. In order to assure the performance under thermal loads at the JET divertor, high heat flux (HHF) tests are performed for the qualification during the ser…
The effects of two important factors, namely concentration and hydrodynamics on the inhibition efficiency of calcium gluconate (C12H22CaO14), were investigated using potentiodynamic polarization and electrochemical impedance spectroscopy tests. Results showed that calcium gluconate was capable of inhibiting the corros…
We have determined the scattering parameters of optical structures incorporating both left-handed metamaterials (LHM) and conventional ("right-handed") materials (RHM) for the case when the refractive index at the LHM-RHM interface is graded, for oblique incidence at an arbitrary angle and for arbitrary spectral dispe…
A preliminary study on the use of wood and plastic wastes generated in Merida, Mexico to assess their potential for the development of building materials is reported. Composites based on recycled, high-density polyethylene (R-HDPE) loaded with wood particles were prepared. The R-HDPE was collected from Merida's Separa…
The diverse optical properties of colloidal semiconductor nanocrystals, including the linear and non-linear aspects of systems ranging from bulk-like to quantum confined, have been a topic of intense investigation for more than twenty years. However, many of the fundamental issues in these materials remain unresolved.…
A general dependence relating the mole interaction parameters of elements in alloys based on various metals is found using the theory of quasi-regular solutions. This makes it possible to estimate these parameters in alloys based on various metals according to the data for any base, for instance, iron. The adequacy of…
Abstract In this article the moisture effect on deformability of epoxy/montmorillonite nanocomposite was investigated. The change of fracture character and drop of elastic characteristics due to moisture absorption was observed. The estimation of filler morphological peculiarities (platelet stack constitution) in comp…
With rapid development and application of nanotechnology, there is an increasing concern over the environmental fate, behavior, toxicity, exposure and risk of engineered nanomaterials (ENMS). In this review, we presented the release pathways of ENMS into the environment and their potential environmental behavior with…
ABSTRACT Double-walled carbon nanotubes (DWNTs) are expected to be useful as elements in improving conventional polymer-based fibers and films. An extensive molecular dynamics simulation and continuum analyses are carried out to estimate the influence of matrix stiffness and the intertube radial displacements on free…
The structural and electronic properties of XAs (X = Al, Ga, In) under pressure have been investigated using ab-initio pseudo-potential approach within local density approximation in B3→B1→B2 phases. The values of phase transition pressures show reasonably good agreement with the experimental data and better than othe…
Creep behaviour of commercial purity cast magnesium with preferred orientation was examined in compression at 100, 125 and 150°C and 35 and 50 MPa. The as-cast structure is composed of large columnar grains in which prismatic poles are parallel to the longitudinal direction. Cylindrical compression specimens were prep…
The purpose of this research was to make shielding benchmark calculations with the new Standardized Computer Analyses for Licensing Evaluation (SCALE) shielding sequence Monaco with Automated Variance Reduction Importance Calculations (MAVRIC) and compare with SCALE SAS4/MORSE calculations as well as dose rate measure…
Abstract White light reflectance spectroscopy is applied to monitor vapor‐induced thickness changes of polymer films, supported on suitable silicon substrates. Assuming unidirectional swelling due to the constraining support, the equilibrium volume swelling of four methacrylic polymers and two siloxane‐based copolymer…