Materials Literature
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Summary This research prepared polymer blend between poly(butylene succinate) (PBS) and polyamide‐6 (PA‐6) short fibers using solid‐melt mixing method. Temperature profile of a twin‐screw extruder was set in a fashion that only PBS was melted during the blending. Effect of short fiber content (3, 5, and 7 wt%) on mech…
Post-irradiation temperature-programmed desorption (TPD) has been used to study the photocatalyzed oxidation of methanol on TiO2(110) surface under the irradiation of 360, 380 and 400 nm light. The photocatalytic process initiated by ultraviolet light of different wavelength are similar. Methanol has been photocatalyt…
Among the extruded products within the Al–Mg–Si system, AA6082 alloy is regarded as high strength alloy which is used for automotive structural applications. Room temperature storage in between the solution heat treatment and the paint bake cycle is unavoidable problem and undergoes natural aging. Hence, natural aging…
In this work we have studied the potential energy of the fullerene molecule which is an organic semiconductor. In this context, the stretching, the bending, the torsion energy and The Van der Waals energy are investigated carefully. The best state of charge carrier's transport is when energy becomes maximal. So, the s…
Ordered mesoporous carbon has been obtained by hard templating using SBA-15 and subsequently, oxidized (by treatment with ammonium persulphate) and thiol-functionalized (by treatment with thiol-contained polyhedral oligomeric silsesquioxane). Pristine and thiol-functionalized carbons were characterized by nitrogen ads…
Composites based on fumed silica with surface hydrophobic groups were synthesized by chemical substitution of silanol groups' proton for trimethylsilyl (TMS) groups, adsorption of poly(dimethylsiloxane) (PDMS) and combined chemical-adsorption methods. Microcalorimetry measurements and values of the wetting contact ang…
An oxide-free strategy to fabricate extremely thin, flexible, and smooth transparent electrodes is introduced by H. J. Son, J.-W. Kim, and co-workers on page 4580. The developed method, an inverted layer-by-layer process, enables the design and fabrication of highly efficient organic solar cells showing excellent mech…
This paper presents the studies of effects of different Ni 2+ contents on the structural and thermal properties of carbosils prepared by deposition of carbon matter (starch gelation) on the silica gel (Si-50) matrix. These mesoporous materials were characterized by a varied pore structure with developed surface and la…
Transformers range in size from a few kVA to several hundred MVA are one of the most critical components of power system with with replacement costs around millions of dollars for power transformers. A sudden in-service failure of a transformer not only results in substantial economic losses but also can result in dea…
Three kinds of alcohol fuels and diesel were blended and combusted in an electronic control high-pressure common rail turbocharged DI diesel engine respectively. Without any modifications in the original engine structure, the combustion characteristics and emissions of alcohol-diesel fuel were investigated. It shows t…
In practice insulators are exposed to various weather conditions throughout the year and they influence surface of the polymeric insulators. This paper deals with study on the leakage current of polluted polymeric insulators. It is well known that polymeric insulators are having very good hydrophobicity. Researchers a…
In this research, WO3 and Au-WO3 thin films were prepared at different temperatures using the sol gel method. The effect of gold nanoparticles (GNPs) on the electrochromic properties of WO3 was also studied. 2.5 nm GNP was synthesized through sodium citrate reduction of gold chloride in an aqueous solution. These film…
This paper demonstrates a 35-µm pixel pitch MEMS thermal sensor array with optical-readout. We implemented an AC-coupled readout method for a single MEMS pixel using a photodetector, which responds only to changes in the scene. AC-coupled readout substantially reduced the optical noise by eliminating the large DC beam…
Via filling by copper electrodeposition is of great interest for industry to realize 3D packaging and reduce cost. To achieve “bottom-up” filling with no voids and seams, numerous studies on additives mechanism have been conducted. The organic sulful-containing accelerator, bis(3-sulfopropyl) disulfide (SPS) and the i…
In this paper, a self-heating model was developed based on Run Hu's light scattering model to calculate the heat generation and an integrated thermal resistance model was established to predict the temperature of phosphor silicone. It is found that the trends of highest temperature along with the phosphor concentratio…
A dynamically reconfigurable metamaterial is presented where the complex frequency dependent permittivity of a silicon substrate is modified in the GHz range by an incident optical (infrared, IR) plane wave; the IR allows the generation of electron-hole pairs, thus modifying the substrate dielectric properties. Moreov…
This paper presents a preliminary comparison between the piezoelectric behavior of PVdF electrospun nanofibrous membranes and a commercial PVdF film. XRD measurements showed that the β phase of the realized electrospun PVdF membranes is much larger than that of the PVdF film here considered. Consequently, the nanofibr…
To provide basic considerations for the realization of method for suppressing the EMI from differential-paired lines on flexible printed circuits (FPC), the characteristics of the SI performance and shielding effectiveness (SE) of shielded-flexible printed circuits for differential-signaling are investigated in this p…
γ-Cyclodextrin (CD), histidine (His), and the CD—His complexes have been calculated by the DFT method. All calculations with full geometry optimization and normal mode calculations have been performed with GAUSSIAN-09 for LINUX. It has been shown that L-His is more strongly bound to γ-CD as compared with D-His, which…
Abstract Obwohl Kunststoffe seit mehreren Jahrzehnten industriell eingesetzt werden ist die Direktmetallisierung von Kunststoffen nach wie vor ein aktuelles Thema. Speziell durch das Verbot von sechswertigem Chrom besteht ein erhöhter Bedarf an haftfesten Metallisierungsverfahren für Kunststoffe. Das Hochleistungs‐Imp…