Materials Literature
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omparison among the equivalent-continuum (homogeneous) constitutive law for Hexagonal, square and triangular cores to be used in sandwich panels is presented. The cellular core homogeneous properties are calculated using detailed finite element models of representative unit cell for each core shape. A strain energy ba…
Here we use dielectrophoresis under the application of AC electric fields as the primary fabrication technique (DEPFT) for aligned carbon nanotube (CNT)-polymer nanocomposites, and generate data sets in order to develop DEPFT fabrication models for the dispersion and orientation of CNTs. While the general understandin…
Hedyotis diffusa has been used to treat cancers in traditional Chinese medicine for many years. Recently, several anthraquinone compounds were extracted from Hedyotis diffusa and identified as its anticancer ingredients. These compounds are able to induce apoptosis in several types of cancer cells. In this study, we s…
Peer Reviewed
Peer Reviewed
Homogeneous conducting polymer composite films with improved electrical properties are synthesised by electrochemical polymerisation of aniline on natural rubber. The electrochemical polymerisation is carried out by potentiostatic method using an aqueous solution of 0·1M aniline and 1M sulphuric acid as electrolyte in…
Polymer granules are conveyed and plasticized using an innovational vane extruder composed of several vane plasticizing and conveying units (VPCUs). This study developed a mathematic model to analyze the bulk density of polymer granules in a VPCU, as well as conducted an experiment to investigate the effects of device…
The composite nanofibrous membranes were fabricated by the growth of CaP crystals on electrospun gelatin nanofibres to mimic both the physical architecture and chemical composition of natural bone extracellular matrix (ECM). The amount of CaP crystals formed on the membranes increased with the increment of CaCl2 conce…
A novel surface treatment for 316L SS by using magnetisation was studied, and the effects on the electrochemical behaviour and semiconductor properties were measured by potentiodynamic polarisation, electrochemical impedance spectroscopy (EIS) and Mott–Schottky analysis in 3·5 wt-% NaCl solution. The results showed th…
The spontaneous (SP) and piezoelectric (PZ) polarization present in the wurtzite III nitrides influence the optical and electrical properties of these materials. The effects of SP and PZ polarization on thermal properties of III nitrides have yet to be investigated. Here we have investigated the SP and PZ effects on t…
Syntheses of two analogues of tetrathiafulvalene (TTF), fused to 1,4-dithiin and thiophene rings, substituted with thiophene moieties, have been illustrated. The syntheses were accomplished through the reaction of a 1,8-diketone with phosphorus pentasulfide or Lawesson's reagent in boiling dry toluene. Conversion of t…
Nanoparticles of the spinel ferrite Mn0·7Zn0·3Fe2O4, with potential for use as contrast agents for magnetic resonance imaging applications, have been prepared by a sol–gel method followed by a two stage annealing process. The second stage of the annealing process improved the quality of the nanoparticles but also led…
This paper reports recent work on the optimisation of preform manufacture. Producing tailored textile semifinished parts, such as non-crimp fabrics (NCFs) with locally adjusted properties, and processing these in a sequence of automated cutting, handling and joining operations are a promising approach to significantly…
Monoclinic vanadium-zirconia yellow pigments were prepared by gelling mixtures of zirconium n-propoxide and vanadyl acetylacetone. The nature of interactions between the host ion and the foreign cation in the vanadium-zirconia pigment was investigated in order to contribute to a better understanding of the origin of t…
We presented a systematic study on the photoelectronic properties of the La0.67Ba0.33MnO3 (20 nm)/LaMnO3(t)/SrTiO3:0.05 wt. % Nb (LBMO/LMO(t)/STON) junctions with 0 ≤ t ≤ 30 nm. The short-circuit photocurrent (Iph) is found to show a complex dependence on the LMO buffer layer. It undergoes first a sharp drop as the la…
A method for obtaining red emission from an organic-light emitting diode has been developed by dissolving red and yellow dyes in a common solvent and thermally evaporating the mixture in a single furnace. Dichlorido-bis(5,7-dichloroquinolin-8-olato)tin(IV) complex ( Q2SnCl2, Q = 5,7-dichloro-8-hydroxyquinoline) has be…
Iodide doping produces charge carriers in π-conjugated polymers. Solitons can be generated in the case of polyacetylene, and polarons in the case of aromatic-type conjugated polymers. We synthesized a conjugated main-chain/side-chain polymer, which consists of polyene in the main-chain and aromatic-type conjugated uni…
This study covers the synthesis of conducting polyindene (PIn) homopolymer, polyurethane/polyindene (PU/PIn), poly(ethylene terephthalate)/polyindene (PET/PIn) and poly(vinyl chloride)/polyindene (PVC/PIn) composites. Polyindene and composites were synthesised electrochemically by cationic mechanism using LiClO4 as an…
We report a photoemission spectroscopy study on IrTe2 which exhibits an interesting lattice distortion below 270 K. Ir 4f core-level photoemission spectrum is broadened in going from 300K to 40K. This result indicates the charge moderation of Ir 5d electrons. Angle-resolved photoemission spectroscopy(ARPES) result at…
A micromechanics analysis modeling method was developed to analyze the damage progression and fatigue failure of fabric reinforced composite structures, especially for the brittle ceramic matrix material composites.A repeating unit cell concept of fabric reinforced composites was used to represent the global composite…