Materials Literature
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Recently, manufacturing of flat panel displays has been required to achieve high cost-performance and to concern about environmental issues. For these reasons, application of the lift-off process in place of the etching process to electrode pattern formation in manufacturing of plasma display panels was considered. To…
Conventional cold pressing-sintering technique was utilized to fabricate NiFe 2 O 4 -matrix inert anode for aluminum electrolysis by adding NiFe 2 O 4 spinel nanopowder. The effect of sintering temperature on properties of NiFe 2 O 4 -matrix ceramics was investigated especially. The results indicate that the density i…
Trabalho de investigação desenvolvido na Chalmers University of Technology. Department of Chemical and Biological Engineering. Division of Chemical Engineering. Competence Centre for Catalysis
The production of Cr/CrN nano-multilayers through the unbalanced magnetron sputtering (UBM) technique was presented, and the influence of the unbalance degree on microstructure was studied. X-ray diffraction (XRD) was used to study phase formation in the coatings, and the presence of a multilayer structure was confirm…
In our work, we optimized the growth conditions for the single phase growth of Sr2CoO4 (SCO) thin films on single crystalline (001)LaAlO3 (LAO) substrates using the non-equilibrium process of pulsed laser deposition (PLD). We varied substrate temperature (Ts) from 720 °C to 840 °C and also studied the effect of oxygen…
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…
A new experimental technique was developed to directly observe the onset of shock initiation in powder mixtures contained in recovery capsules over time scales ranging from hundreds of nanoseconds to at least hundreds of milliseconds. Simultaneously with a thermocouple embedded in the test mixture to monitor bulk temp…
A simple electrochemical deposition method was developed for the fabrication of ZnO-based hierarchical dual structures on micro and nano scales. A layer of c-axis wellaligned and translucent ZnO micro/nanostructures was deposited on ITO glass substrate from different aqueous electrolytes with systematically varied con…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation J. L. Benites-Rengifo, H. R. Vega-Carrillo, J. B. Velazquez-Fernandez; Spectra of photons and neu…
We predict the formation of a stably trapped metal-dielectric nanoparticle cluster near a photonic crystal cavity. The cavity mode traps a gold particle, which provides a secondary trapping site for a pair of dielectric particles.
Reaction modeling of SMR (Steam Methane Reforming) process inside monolith reactors using two approaches were investigated and compared with each other.In the first approach, the reactions were assumed to take place exactly on the wall surfaces, while in the second approach they considered inside a thin thickness near…
本論文では、細孔内水分の凍結過程と融解過程での挙動の相違から、セメント硬化体中のインクボトル細孔の構造を定量する方法を提案した。まず、セメント硬化体を40℃で28日間養生後に、70％、85％、98％の各相対湿度条件で静置することで、細孔空隙中の水分の存在比率を変化させた。次に各試料の細孔内水分の凍結・融解時の熱量を低温DSCを用いて測定し、サーモポロメトリーによって試料の空隙量と細孔径分布を算出、比較を行なった。その結果、入口細孔径が1.8nm、2.6nm、5.2nmのインクボトル細孔がセメント硬化体中に存在することを定量的に明らかにした。さらに、細孔の連結性やフラクタル構造について考察し、従来提案されてきたC-S-Hのコロイドモ…
4-N, N-dimethylamino-4'-N'-methyl-stilbazolium p-chlorobenezenesulfonate (DASC) single crystals were grown adopting slope nucleation method. Crystals of size 12 × 11 × 6 mm3 were obtained successfully in 18 days. The DASC crystal wee characterized by single crystal XRD, CHN, NLO test and photoconductivity studies.
In this work, we have studied the formation of self–assembled monolayers (SAM) of 3–aminopropyltrimethoxysilane (APTMS), chemically bound to silicon dioxide surface, prepared using a deposition from both solution and a new solvent–free process, using contact angle measurements, ellipsometry, ATR–FTIR spectroscopy and…
Precise and reliable information on the machinability of a material before it enters the machining process is a necessity, and hypotheses must be tested through verification of actual methods. This article presents conclusions of machinability tests on a new austenitic stainless steels X2Cr12Ni12MoTiN and describes ap…
Distribution of crystal structure along the thickness direction for the epitaxial Pb(Zr,Ti)O3 thick film on (111) c SrRuO3//(111)SrTiO3 substrate with Zr/(Zr + Ti) = 0.42 was investigated using micro-Raman spectroscopy. The XRD result showed that the Pb(Zr,Ti)O3 thick film consisted of the mixture of the tetragonal an…
A novel calix It is found to exhibit excellent selectivity for Cu 2+ over a wide range of alkali, alkaline earth and other transition metal ions in acetonitrile solution. Its metal binding affinity and binding constant studies revealed a 1:1 binding stocheometry of the ligand with Cu 2+ ion.
Study of optical and microestructural properties in In2O3 and SnO2 multilayer thin films synthesis by DC magnetron sputtering characterized with SEM, X-RD and four point probe resistivity where is possible appreciate an enhancement in conductivity.
The effect of carbon nanotube on the physical and anti-ablative properties of silicone rubber was studied. Carbon nanotube was blended with addition cured silicone resin at various fillers loading levels. The tensile strength, elongation at break and ablative rate of each sample was measured.
The wood composite industry in Malaysia comprises of 12 MDF and 10 particleboard plants with an installed capacity of about 5 million tons per year.The total production capacity is approx 2.5 million cubic ton.Most of the MDF boards are exported to US,Europe and Asian market.At present formaldehyde based adhesive such…