Materials Literature
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In this work, different formulations of the boundary element method (BEM) are presented for an analysis of composites containing rigid or deformable stiffeners and inclusions. The developed computer codes are used to compute effective material properties by considering a representative volume element (RVE) or a unit c…
Pb ( Ba 1 / 3 Nb 2 / 3 ) O 3 was prepared by two steps solid state reaction route. Material stabilized in orthorhombic perovskite phase with lattice constants a=4.0849(3) Å, b=11.8469(4) Å, and c=10.6818(9) Å. The scanning electron micrograph exhibits heterogeneous grain distribution with average grain size of 1–3 μm.…
The effect of adding Mo in the low K range of composition of Fe–Ce–K and Fe–Ce–Mo–K mixed-oxide catalysts on dehydrogenation of ethylbenzene was studied. Fe–Ce–K formed considerable amounts of by-products in the low K range. Addition of Mo not only made the catalyst inactive in the low K range, but also prevented the…
Aimed at addressing these challenges, this book contains a selection of papers discussing the state-of-the-art research in particulate materials science that were presented at the UK China Particle Technology Forum III held at Birmingham, ...
The study analyses the materials science publications in India for a period of ten years (1999-2008) based on the Scopus database. The objective of the study was to perform a scientometric analysis of all materials science research publications by Indian scientists. The parameters studied includegrowth of publications…
The chemical exchange process of boron isotope separation was studied in order to enrich rare stable isotope 10B. Specially, the relations among the pyrolysis temperature, the number of theoretical plates, the exchange reaction time, the enrichment factor and the abundance of 10B were investigated. The conclusion was…
Consider the dynamics of a gas bubble in an inviscid, compressible liquid with surface tension. Kinematic and dynamic boundary conditions couple the bubble surface deformation dynamics with the dynamics of waves in the fluid. This system has a spherical equilibrium state, resulting from the balance of the pressure at…
Expanded Polystyrene (EPS) is a common application mainly for construction materials and packaging for consumer products. EPS also has been chosen as recycled material due to the contribution towards non-biodegradable material when it exposed to the landfill. In addition, this waste will also create harmful to our env…
The adsorption of dissolved hemicelluloses derived from US southern mix hardwood to cellulosic fiber is an efficient way for hemicellulose utilization. Retaining more hemicelluloses on the cellulose fibers leads to a higher pulp yield, better beatability and improved pulp strengths. The primary aim of the current work…
The magnetic moment M , the magnetic susceptibility χ, and the thermal conductivity of chalcopyrite CuFeS 2 , which is a zero-gap semiconductor with antiferromagnetic ordering, have been measured in the temperature range 10–310 K. It has been revealed that the quantities χ( T ) and M ( T ) increase anomalously strongl…
The nano-aluminum with the particle size from 25 nm to 600 nm was characterized by TEM,ESEM and elemental analyses.The TEM photographs was processed and a formula for calculating the oxide film thickness of nano-aluminum powder was presented.Combined with experimental conditions,the rationality and commonality of the…
In order to improve the accuracy of insulator electric filed analysis,taking various kinds of insulators,such as clean 110 kV porcelain post insulators and insulators with pollution layer,ice layer,and separated globules,as research objects,we analyzed the influences of the type of analyzing electric field,far field e…
This chapter summarizes the synthesis and physical properties of the main members of the biodegradable polyesters family, with special reference to their biodegradability behavior in different environments. Polyesters constitute a large group of biodegradable polymers intended for use in medicine and for the environme…
純チタンおよびチタン合金における水素脆化および関連現象を紹介した．水素脆化は水素化物の生成と密接に関係しており、顕著な量の水素化物が存在する場合、衝撃試験など切欠き付き試験片を用いた高歪み速度試験で脆化が確認できる．定荷重き裂伝ぱ試験など静的な低歪み速度試験では、き裂先端への水素拡散と水素化物生成により脆化すると考えられている．多量のMoやVを含むβ型合金は水素化物が生成しにくく脆化しにくい．
The nature of the MnCl2 salt as a filler to polycarbonate , including their composition, particles dimensions and homogeneity of distribution have been studied using different spectroscopic techniques (XRD, DSC and TGA). A slight increases in the chain-chain separation due to the interaction of the MnCl2 salt with the…
The competitive precipitation behavior observed in microstructures with high dislocation density and ultrafine grains has been studied experimentally and computationally for cold-rolled and severe plastic deformed Al-Mg-Si alloys. The age-hardenability at 443 K was reduced by the two deformation processes due to the a…
Aiming at developing p-type semiconductors and modulating the band gap for photoelectronic devices and band engineering, we present the ab initio numerical simulation of the effect of codoping ZnO with Al, N and Mg on the crystal lattice and electronic structure. The simulations are based on the Perdew—Burke—Ernzerhof…
Nanotechnology 100 nanometer scale in a small and rapidly developing science and technology field. Each area of nanotechnology to create advanced products with new techniques, medicine, health, food, packaging materials and systems, pharmaceutical, electronic industries, such as benefits. Utilization of nanotechnology…
Polyaniline composites with rice husk and saw dust of Eucalyptus camaldulensis have been synthesized, characterized and employed for batch wise adsorption of Cd (II) from water in this study. FT-IR technique was used for characterizing the surface of the adsorbent. Various operational conditions affecting the efficien…