Materials Literature
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As an ultra-high performance concrete, reactive powder concrete (RPC) has broad practical application prospects. In this paper, phosphorus slag (PS) powder is utilized as one reactive component to prepare RPC. The effect of the PS content and water-binder ratio on the strength (flexure and compression) of concrete mix…
The rheological and electrical percolation threshold of single-walled carbon nanotube (SWNT)-reinforced thermoplastic elastomer based on polypropylene/ethylene–propylene–diene monomer (PP/EPDM; 80/20) nanocomposite was investigated by melt-mixing process. The rheological properties revealed that the addition of SWNT i…
We report precision c-axis magnetic measurements on a high-quality single crystal of the heavy fermion metamagnet UCoAl. The metamagnetic transition at H M changes from 1st order at low temperature to a crossover at high temperature. H M is nearly linearly increasing with increasing temperature up to a critical temper…
In this paper, we report structural analysis, ferroelectric behavior and electronic structure of Sr 2 ZrTiO 6 double perovskite. Samples were produced by the solid state reaction recipe. Crystallographic analysis was performed by Rietveld refinement of experimental X-ray diffraction patterns. Results show that this ma…
The paper presents size-dependant mechanical behaviors of carbon nanotubes under electrostatic actuation using modified couple stress theory. The behaviors of the carbon nanotubes with different geometries and boundary conditions are studied in detail. The results reveal that application of this theory results in high…
The constant improvement of industrial needs to face modern telecommunication challenges leads to the development of novel transducer principles as alternatives to SAW and BAW solutions. The main technological limits of SAW (short-circuit between electrodes) and BAW (precise thickness control) solutions can be overcom…
ZK60 (Mg-Zn-Zr) alloys exhibited a variation in precipitates with aging, and their mechanical properties also changed. Microindentation tests were carried out on two types of ZK60 alloys of solid solution (T4) and peak aging (T6). Microstructure and texture evolution during indentation was investigated using electron…
In this paper, we investigate the coupling of surface plasmon based on Kretschmann configuration (KC) to localized and delocalized surface plasmon modes supported by metallic nanowire grating (MG) at the oblique incidence. The designed structure consists of MG deposited on a substrate positioned upside down above a co…
The stability of a graphene field effect transistor (GFET) is important to its performance optimization, and study of hysteresis behavior can propose useful suggestions for GFET fabrication and optimization. In this work, a back-gate GFET has been fabricated and characterized, which is compatible with the CMOS process…
An n-ZnO:Al/p-boron-doped diamond heterostructure electroluminescent device is produced, and a rectifying behavior can be observed. The electroluminescence spectrum at room temperature exhibits two visible bands centred at 450 nm–485 nm (blue emission) and 570 nm–640 nm (yellow emission). Light emission with a luminan…
The first attempt at developing chopped W fiber-reinforced W (Wf/W) composites without an engineered interface or inter-phase employing hot isostatic pressing (HIP) has been made in order to study the feasibility of the powder metallurgy (PM) fabrication methodology. Micro-structures and flexural properties of sintere…
A new quaternary alloy Ti-10Nb-10Zr-5Ta with near β fine, homogeneous microstructure, low Young’s modulus of 63.4 GPa and better mechanical properties than those of the commercial Ti was obtained. This alloy demonstrated nobler electrochemical behaviour, lower corrosion rates and more favourable long-term behaviour in…
Ziadi, N., Gagnon, B. and Nyiraneza, J. 2013. Crop yield and soil fertility as affected by papermill biosolids and liming by-products. Can. J. Soil Sci. 93: 319-328. Papermill biosolids (PB) in combination with alkaline industrial residuals could benefit agricultural soils while diverting these biosolids from landfill…
Oligomers of aniline and their derivatives have electrical and chemical properties that parallel those of polyaniline, while having the advantage of being available as homogeneous, chemically pure materials. Despite this advantage, little experimental data is available on the electrical transport properties of thin fi…
In recent years there are more and more structures made of composite materials, especially in the form of thin-walled shells, being applied in various fields of technology. When using composite materials such as concrete or fiberglass, reinforcing elements are often placed along the axes of the curvilinear coordinate…
The electronic and optical properties of graphene monoxide, a new type of semiconductor material, are theoretically studied by first-principles density functional theory. The calculated band structure shows that graphene monoxide is a semiconductor with a direct band gap of 0.95 eV. The density of states of graphene m…
Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.
In large tokamaks, disruption of high current plasma would damage plasma facing component surfaces (PFCs) or other inner components due to high heat load, electromagnetic force load and runaway electrons. It would also influence the subsequent plasma discharge due to production of impurities during disruptions. So the…
Nanostructured zinc ferrite ZnFe2O4 was milled at high energy during 12 hours and then the portions of the obtained powders were calcined at 400℃ and 600℃ during 24 hours. X-ray diffractogramms recorded for various samples show that compared to the grain size value of as-prepared sample the average grain size obtainin…
Porous calcium sulfate/hydroxyapatite whiskers composites scaffold is possible to be used in bone tissue engineering, for its biocompatibility, controllable degradation, and good mechanical properties. In this study, porous calcium sulfate/hydroxyapatite whisker composite scaffolds were fabricated by adding pore-formi…