Showing papers in "Materials Chemistry and Physics in 2008"

TL;DR: In this paper, the degradation of mild steel/1-methyl-4[4]-styryl pyridinium iodides (X: H, CH3 and OCH3)/hydrochloric acid systems was studied at different temperatures by means of hydrogen evolution (HE) and weight loss (WL) measurements.

TL;DR: In this paper, the antimicrobial efficacy of polyamide 6/silver-nano-and microcomposites against Escherichia coli was studied as a function of the filler content.

TL;DR: In this article, a simple precipitation technique was used to synthesize 8 nm CuO nanoparticles of average diameter 8 nm and the authors studied the thermal properties of the suspensions and found that the thermal conductivity increases nonlinearly with the volume fraction of nanoparticles.

TL;DR: In this article, a novel form-stable composite PCM by incorporation of capric acid (CA) within the expanded perlite (EP), characterization of the composite by SEM and FT-IR technique and determination of thermal properties and thermal reliability of the Composite PCM using DSC analysis.

TL;DR: In this paper, a simple green method was used to produce uniform and stable silver nanoparticles, which can be stored at room temperature for 2 months without any visible change, and the results showed that the concentration of Carboxymethyl cellulose sodium (CMS) has very small effect on the size distribution.

TL;DR: In this article, Damissa extract was found to be more effective in presence of chloride ions than in its absence, in the presence or absence of chloride ion, influenced both the anodic dissolution of aluminium and generated hydrogen gas at the cathode indicating that the extract behaved as mixed-type inhibitor.

TL;DR: In this paper, the magnetite particle size is controlled by variation of pH and temperature and the increase of oxidation increases with decreasing particle size, and the variation of magnetite saturation magnetizations with particle size was interpreted using a magnetic core-shell particle model.

TL;DR: The average dispersion ( n F ǫ − n C ), and Abbe number of the quaternary tellurite glass system of the form 80TeO 2 -5TiO 2 −(15−− x ) WO 3 − x A n O m was estimated in this paper.

TL;DR: In this article, a finite element model was used to estimate the temperatures and stresses in both ceramics during quench testing, and the model predicted that maximum thermal stresses during the experimental quench test exceeded the strength of ZrB2 (568 MPa) but not Zb2-30 vol.% SiC (863 MPa).

TL;DR: In this paper, the template and oxidant played important roles in the formation of PANI nanofibers, and the PANI electrode exhibited high discharge/charge efficiency of 93% and the capacitance retention of 83% at a current density of 5.1 µm−2, indicating good electrochemical reversibility and rate capability.

TL;DR: In this article, a novel Pd/BiVO4 visible light driven composite photocatalysts were synthesized by the impregnation method, which were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), XPS, and UV-vis diffuse reflectance spectra (DRS).

TL;DR: In this paper, the structure and dielectric behavior of Ba1−−xNdxTiO3 perovskites fabricated by conventional solid state mixed method were investigated and the phase transition behavior appeared from tetragonal to cubic structure with increasing Nd-doping level by XRD results.

TL;DR: Based on the polymer gel electrolyte, a quasi-solid-state dye-sensitized solar cell (DSSC) was fabricated as mentioned in this paper, which possessed a good longterm stability and a light-to-electrical energy conversion efficiency of 4.78% under irradiation of 100mW cm −2 simulated sunlight, which was almost equal to that of DSSC with a liquid electrolyte.

TL;DR: Cauliflower-like, nanobelt-shaped and feather-like CuO nanocrystallines were synthesized by the chemical deposition method as mentioned in this paper, and the microstructure and morphology of CuO were characterized by X-ray diffraction (XRD), energy-dispersive spectrum (EDS) and field emission scanning electron microscopy (FESEM).

TL;DR: In this article, 2.6-Amino-m-cresol and newly synthesized Schiff base 2-(3-hydroxybenzylideneamino)-5-methylphenol (ACr-S) using ACr and salicylaldehyde have been investigated as inhibitors for corrosion of mild steel (MS) in 0.5-M hydrochloric acid.

TL;DR: In this article, two new Schiff bases, SB 1 : 2-({-1,methyl-3]-(2-sulfanylphenyl)imino]ethylidene}amino)-1-benzenethiol and SB 2 : 2.

TL;DR: The gadolinium-doped ceria (GDC) is considered as one of the most promising electrolytes for intermediate temperature solid oxide fuel cells (IT-SOFCs) as mentioned in this paper.

TL;DR: In this paper, the physical, magnetic and dielectric properties of Cu-substituted Mg-Zn ferrites having the general formula of Mg0.55−xCuxZn0.45O(Fe2O3)0.97 prepared by standard double sintering ceramic technique were studied.

TL;DR: In this article, mixed titanium dioxide (TiO 2 ) powders of various amorphous-anatase-rutile contents were prepared by acid-catalyzed sol-gel method at 80°C without calcination.

TL;DR: In this paper, the effect of a new corrosion inhibitor namely, N -(5,6-diphenyl-4,5-dihydro-[1,2,4]triazin-3-yl)-guanidine (NTG) has been synthesized and its inhibitive performance towards the corrosion of copper in neutral solution of 3% NaCl has been investigated.

TL;DR: In this paper, LiMn 2 O 4 thin films have been prepared by pulsed laser deposition on stainless steel substrates and three different electrochemical methods including CV, EIS and PITT were applied to measure the overall Li + -ion diffusion coefficients and charge-transfer resistances at various potentials from 3.85 to 4.5

TL;DR: In this article, the dispersion effect of ultrasonic wave on a SiO2-coated SiO 2 nanoparticle was studied in water suspension by investigating its zeta potential and absorbance.

TL;DR: In this article, N, N ′-Methylenediacrylamide has been evaluated as a corrosion inhibitor for mild steel electrodes in 0.5 m HCl solution using potentiodynamic polarization, electrochemical impedance spectroscopy, and polarization resistance measurements.

TL;DR: Cui et al. as mentioned in this paper proposed a method to improve the performance of Chinese Academics by using the state key lab Corros & Protect (SCLP) in Shenyang, China.

TL;DR: In this article, a series of polyurea-formaldehyde (PUF) microcapsules containing epoxy resins were synthesized by selecting different process parameters including surfactant type, surfactants concentration, adjusting time for pH value and heating rate.

TL;DR: In this paper, the results of weight loss, polarization and electrochemical impedance spectroscopic (EIS) measurements on the corrosion inhibition of AA6061 and AA6063 aluminum alloys in acidic solutions using sodium benzoate as an inhibitor.

TL;DR: In this article, a new corrosion inhibitor named N-(piperidinomethyl)-3-[(pyridylidene)amino]isatin (PPI) has been synthesized and its influence on corrosion inhibition of mild steel in 1N hydrochloric acid solution has been studied by weight loss and potentiodynamic polarisation techniques.

TL;DR: A white colour IL-SiWA hybrid molecular material has been synthesized using 1-butyl 3-methyl imidazolium bromide ionic liquid and silicotungstic acid as discussed by the authors.

TL;DR: In this paper, new compounds of alkylamides derived from α-amino acids were tested as corrosion inhibitors for carbon steel in an aqueous solution of hydrochloric acid.