Materials Literature
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PbS thin films with corrugated structure were synthesized on glass substrates by dip coating. The surface of the films was found to be corrugated. XRD analysis confirmed the formation of crystalline PbS nanoparticles with average grain size 14nm. From thermo power measurements, the conductivity of the samples was foun…
The 12th European Meeting on Ferroelectricity (EMF12) took place from June 26th to July 1st, 2011 at the School of Electronics, Computer Science and Telecoms (ENSEIRB) located on the Bordeaux Unive...
Numerical specimens with single-hole is established by particle flow code PFC2D and uniaxial compression tests are conducted. Studies have shown that uniaxial compressive strength of specimen with single hole is less than complete specimens. As the holes move to the end of specimen, the uniaxial compressive strength f…
The composition and structure of the interfacial transition zone (ITZ) in concrete were investigated to analyze the mechanism of silica fume in suppressing alkali-silica reaction (ASR). Alkali active concrete specimens with varying addition of silica fume were prepared for the experiment. Changes of compositions and p…
Leçon inaugurale prononcée le 10 février 2011Chaire de Chimie des matériaux hybridesDans le monde vivant, la nature est souvent amenée à combiner des composantes organiques et minérales pour créer des nano-composites très performants. Les coquillages, les carapaces des crustacés, les os sont quelques exemples de matér…
We consider how the magnon response of an antiferromagnet may be used to induce negative refraction at terahertz frequencies and how the angle of refraction may be tuned using an external magnetic field.
This document outlined the development of concrete mixing water at first. And then it discussed some properties of concrete prepared with adding sea water and impacts of sea water on effectiveness of concrete. The article also tried to explain some reasons of these impacts. The author emphasized on analyzing the effec…
The magnesium oxysulfate whiskers/PP composites were prepared by melt-extrusion with modified whiskers as fillers. The mechanical performances including the tensile strength, elongation at break and elastic modulus were tested by electronic universal testing machine.The effect of surface modifier on the mechanical pro…
Coherent anti-Stokes scattering (CAS) emitted from gold nanorods (GNRS) was studied. We proved the intensity’s quadratic dependence on particle density and cos6 (θ) dependence on beams’ polarization, and the potential of CAS for nanoscale imaging.
The solubility of lithium bromide in mixed solvents formed by acetone and water was determined in the temperature range between (293.15 and 323.15) K using a static analytical method. The solubilities of LiBr in mixed water-acetone solutions are predicted with the LIFAC model and its original interaction parameters. T…
A new two-dimensional neutral framework generated from mixed organic ligands [Cu3(1,2,4-BTC)2(4,4/-bipy)(H2O)4] (where1,2,4-BTC = 1,2,4-benzenetricarboxylate), has been prepared under hydrothermal condition and characterized by single crystal X-ray diffraction and magnetic susceptibilities. Its structure contains two…
Several superalloy-bond coat couples were prepared without ceramic topcoat layers to better understand the effects of superalloy substrate on the oxidation behaviour of NiCoCrAlY bond coats. The same composition NiCoCrAlY bond coats were deposited on three superalloy substrates (Inconel 718, Haynes 188 and Rene’ N5) v…
Dense precipitation of various intermetallic compounds is a common feature in the microstructure of Al-Si piston alloys. In this investigation, microstructure of LM13 alloy and three high Cu-containing Al-Si piston alloys with different amounts of Ni, Fe, and Mn were studied by means of optical microscopy (OM) and sca…
Large depth of field and uniform axial intensity distributions are important in many practical applications. Lots of optical elements have been proposed for this end, such as full-aperture logarithmic axicons (LAs), annular-aperture LAs and apodized annular-aperture LAs. In millimeter/submillimeter (mm/submm) range, t…
Grids represent an emerging technology that allows geographically- and organizationally-distributed resources (e.g., computer systems, data repositories, sensors, imaging systems, and so forth) to be linked in a fashion that is transparent to the user. The New York State Grid (NYS Grid) is an integrated computational…
Nowadays, natural fiber-reinforced green composites are increasingly being used in the industrial field. In general, the cross-sectional shape of natural fibers is not circular and show a large variation in their cross-sectional area. However, the tensile properties of natural fibers are often evaluated on the assumpt…
In this work, a transparent passive DMFC was constructed to investigate the transients in open circuit voltage (OCV) and the cell temperature difference, which changed as a consequence of the methanol crossover phenomenon, including anode temperature difference (ATD), cathode temperature difference (CTD) and methanol…
Beim Gleitschleifen wird Abwasser erzeugt, das Feststoffe enthält. Diesemüssen in der Abwasserbehandlung abgetrennt werden. Sie fallen als wasserhaltiger Schlamm an, der neben Schleifkörperabrieb und Metallabrieb in geringem Umfang adsorbiertes Öl und Hydroxide der bearbeiteten Metalle enthält. Daneben fallen Untergrö…
Methodic of calculation of noise of the system vehicle's tires – road surface is suggested. Results of experimental investigations of acoustical characteristic of tires for different tires constructions and types of road surfaces are submitted.
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