Materials Literature
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The calculated result of the mathematical model based on the conventional transfer function has bigger deviation than the measured. In this paper the mathematical model of the work roll bending is derived. The modeling is different from conventional modeling used many presumptions and linear processing. The modeling c…
In this paper, the structural transitions of the rapidly cooled Ni nanomaterial under different pressures were studied by using molecular dynamics simulation. The work gives the structural properties, including the potential energy, pair-correlation function and Honeycutt-Andersen (HA) and Voronoi indices. This pair-c…
Photoreactive and degradable polymers with linear and hyperbranched architectures which composed of poly(ɛ-caprolactone) and hydroxycinnamic acid or its substituted derivatives were synthesized by thermal melt-polycondensation. The chemical structures of the polymers were confirmed by FTIR and 1 H NMR measurements. Th…
Cover: The modification of polyolefin surfaces during injection molding reveals positive results, especially using liquid modifiers. By varying the injection parameters, such as mold temperature and injection speed, polyolefin parts possessing high surface energies and bondings with high shear strengths are generated.…
Corrosion of reinforced concrete structure in the marine environment is easily happened because of the influence of chloride ion, and the corrosion in the splash zone is the most serious. Cathode protection is the most common and effective way in anticorrosion method. For simple steel structure, anticorrosion technolo…
ULSI circuits are constantly improved by continuous scaling down the character sizes. Copper connections and the ultralow-k (ULK) materials as inter-layer dielectrics (ILD) and inter-metal dielectrics (IMD) were implemented. Therefore, the chip package interaction (CPI) becomes critical due to the mechanical propertie…
The development of a high-performance DFB laser compatible with the CMOS technology is essential for the future development of silicon photonics. In this paper the preliminary results on modelling and design of a distributed feedback silicon laser are reported. The gain medium, which is a layer of erbium doped silicon…
Catalytic conversion experiment of octanoic acid over HZSM-5 catalyst was carried out in a fixed fluidized bed reactor system. The effects of reaction temperature and catalyst to oil ratio on product distribution were investigated. The results showed that temperature influenced the LCO, gasoline and CO yields obviousl…
Plasma technologies have many fields of application, especially for treatment of materials and waste conversion. Water vapor plasma has special properties of high enthalpy and high activity flow. It can be a promising technology for gaseous, liquid and solid waste treatment and production of synthetic hydrogen-rich ga…
Analytical model for hysteresis cycle of soft magnetic materials using arcs of circle and straight line segments shown in [2] has been improved to minimize the error between the measured and modelled cycles. To this end, the LabVIEW program, initial presented in [2], has been improved to be more user-friendly. For the…
A process for preparing an epoxy-containing film-forming latex via emulsion copolymerization of isoprene and 1,2-epoxypropylmethacrylate has been developed. The exposure of this latex to thiocarbamide has yielded an episulfide-containing copolymer. Regardless of the composition of the copolymer, 30–33% of the epoxy gr…
Ion-beam-synthesized Fe 3 Si thin films are studied using the magneto-optical Kerr effect, ferromagnetic resonance, electron diffraction, and Auger spectroscopy. A change in the direction of rotation of the plane-polarized light as a function of film-synthesis conditions is discovered when the meridional Kerr effect i…
The stereo-atomic crystal structure analysis to crystals with the structure of scheelite was applied. The program package TOPOS 4.0 for calculation was used. Migration path for Mo ions in CaMoO4at different temperatures and for W ions in BaWO4was visualized.
Self-aligned nanostructured thin films of ZnO and TiO2have been prepared by MOCVD and anodization method, respectively. The as-prepared films were characterized by XRD, SEM and XPS analysis. The deposition temperature and time have drastic effects on the crystallinity and morphology of the nanostructured ZnO films. On…
Co substituted nanonickel hydroxide, which used NiCl2 and Na2CO3 as nickel source and buffer respectively, was synthesised by ultrasonic method. XRD, TEM, PSD and EDS were used to characterise the physical and electrochemical performance of the prepared samples respectively. The electrochemical performance affected by…
Boron doped heterojunction of amorphous carbon solar cell were successfully fabricated using palm oil precursor in the environment of low negative bias. The open circuit voltage (Voc), current density (JSC), fill factor (FF) and efficiency (%) of boron doped without the use of negative bias (a-C/n-Si) were approximate…
Organic light-emitting diodes (OLEDs) are solid state thin film devices composed of stacked organic layers sandwiched between two electrodes. Light is generated in the electroluminescent layer containing an emissive (for example metal complex or polymer). Generally, in order to generate white-light emitting OLED (WOLE…
Current use and application of nanotubes has mostly been limited to the use of bulk nanotubes, which is a mass of rather unorganized fragments of nanotubes. Bulk nanotube materials may never achieve a tensile strength similar to that of individual tubes, but such composites may, nevertheless, yield strengths sufficien…
Hybrid plasmonic-superparamagnetic nanoaggregates are encapsulated by a nanothin amorphous silica film inflight during their gas-phase synthesis. By varying that film thickness, S. E. Pratsinis and co-workers can fine-tune the interparticle distance among individual gold nanoparticles, inducing their controlled plasmo…
Emulsifier-free emulsion polymerization is a technique derived from conventional emulsion polymerization in which polymerization is carried out in the absence of emulsifiers. This technique is useful for the preparation of polymer colloids with narrow particle size distributions and well defined surface properties. Em…