Materials Literature
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Understanding the interactions of hydrogen and helium within ferritic steels will aid in the development of materials appropriate for next generation nuclear reactors. We discuss interatomic potentials appropriate for simulating these elements, presenting a potential for the H-He interactions. Preliminary results for…
International audience
Waste heat recovery from car's exhaust gases provides an opportunity to significantly improve the overall car engine efficiency. One approach for recovering energy from the exhaust gases is to generate electrical power through thermoelectric conversion. A thermoelectric device, using a commercially available thermoele…
Carbon nanomaterials are very promising for the design of new sensors able to detect airborne pollutants and the last years have seen a steadily growth of the research efforts and the publications on the use of such materials as sensitive films. In my talk I will review the main results obtained so far, identify some…
Motivation: Ligand information is of great interest to understand protein function. Protein structure topology can be modeled as a graph with secondary structure elements as vertices and spatial contacts between them as edges. Meaningful representations of such graphs in 2D are required for the visual inspection, comp…
Purpose: An overview of own works on preparation of monolithic carbon/carbon and polymer/carbon composites, that were fabricated using natural biological precursors for both composite components: carbonized plant stem for a support and chitosan or furfuryl alcohol for a filler, is presented. Composites based on monoli…
Der Klassiker – moderner denn je! Mit diesem uber Jahrzehnte bewahrten Lehrbuch der Anorganischen Chemie haben bereits Hunderttausende von Studenten ihre Chemieprufungen und Praktika erfolgreich gemeistert. Inhalte und Didaktik haben sich uber Generationen bewahrt, werden aber mit jeder Auflage weiterentwickelt und ak…
Brittle fracture propagation issue has been focused from the viewpoint of margin of safety in some steel structures which require high fracture safety. In this study, importance of absorption of fracture surface energy (Gc) during cleavage crack propagation in poly-crystal material is pointed out. Model experiments at…
Preface Modeling of a Fuel-Cell -- DC/DC Converter System Bipolar Plates & PEM Fuel Cell Efficiency Design & Control of Fuel Cell & Battery Capacitor Energy Storage Hybrid Distributed Generation System Solid Oxide Fuel Cell Cycles: A Techno-Economic Focus on Efficiency & Power Density A New Nondestructive Method for M…
The First ICRP Symposium on the International System of Radiological Protection, or simply ICRP 2011, was held in Bethesda (Rockland) Maryland, just outside of Washington D.C., October 24-26, 2011. This symposium was open to anyone who wished to attend, and no registration fee was charged. Approximately 400 people fro…
Surface modification and functionalization of bioconjugated quantum dots (QDs) has drawn great attention for the past few years due to their wide applications in biomedical research. In this contribution, we demonstrate the use of PEGylated phospholipid micelles to encapsulate near infrared emitting ultra-small lead s…
The effect of Mg addition on the corrosion resistance of an Al-base alloy, nominally AlMgZnMnSn, has been investigated in 0.5 M H2SO4 by using potentiodynamic polarization curves, linear polarization and electrochemical impedance measurements. The addition of Mg to the Al-base alloy cause the precipitation of Al2Mg3Zn…
In the present work, the effects of 5-(3-aminophenyl)-tetrazole (APTA) on the corrosion inhibition of magnesium in Arabian Gulf seawater (AGS) and 3.5 wt.% NaCl solutions were reported. Different experimental techniques namely, weight-loss (WtL), potentiodynamic polarization (PDP), potentiostatic current-time (CCT), e…
Nanostructured Pd networks were synthesized in high yield through the reduction of Pd (acac) 2 using oleylamine as the solvent, reductant and capping agent. The formation of the network Pd nanostructure is due to oriented attachment among the formed primary particles at high temperature. By adjusting the reaction time…
Oxygen ion conducting ceramics (Sc2O3)0.1(ZrO2)0.9, (Sc2O3)0.1(CeO2)0.01(ZrO2)0.89 and Ce0.9Gd0.1O1.95 were sintered from powders with different specific surface areas. The produced ceramics were studied by scanning electron microscopy and impedance spectroscopy methods. Impedance spectroscopy measurements were perfor…
Tau proteins are major microtubule-associated proteins (MAPs), which promote polymerization of tubulin and determine spacings between microtubules in axons of both the central and peripheral nervous systems (CNS and PNS). Here, we cloned and identified a tau-like protein BmTau from silkworm, Bombyx mori (GenBank acces…
A crack-free c -plane AlGaN/GaN heterostructure was grown on a diamond (111) substrate by using an AlN/GaN multi-buffer layer. We found that in the AlGaN/GaN heterostructure, the GaN layer was coherently grown on the AlN/GaN multi-buffer layer. The a -lattice constant of strain-free GaN is longer than the average a -l…
The effect of the residence time at different temperatures on the graphitization of an isotropic baked block was investigated by measuring the changes in structural and physical properties; lattice constant c0, real density, resistivity, hardness and mechanical properties. Samples were heat-treated at different temper…
This article presents the test results of milling tools of high speed steels prepared via powdered metallurgy that were applied when machining austenitic chromium-nickel steels. Our aim was to demonstrate the capabilities and limitations of highspeed steels as a material for cutting tools, if they are machined difficu…
This paper reports the results of long-term outdoor exposure test on the rate of corrosion of reinforcing bar in concrete which contains chloride ion. The factor of experiment are sodium chloride content (0-1.0%/sand), water-cement ratio (50-65%), and thickness of concrete cover (15-40mm).It is concluded as follows, T…