Materials Literature
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Hot Dip Galvanis adalah suatu metode pelapisan (Coating) melalui proses pencelupan kedalam cairan atau lelehan seng (Zn) dengan tujuan untuk meningkatkan ketahanan terhadap korosi. Komponen Baut yang digunakan berbahan baja karbon rendah (Low Carbon Steel) A325. Temperatur yang digunakan pada proses Hot Dip Galvanis a…
Pure Sm2Zr2O7 and Sm2(Zr0.7Ce0.3)2O7 nano powders were prepared by sol-gel method using zirconium nitrate and samarium nitrate as raw materials, citric acid as solvent and dispersant. The synthesized powders were characterized by XRD, Ft-IR, BET, SEM and Emission spectra. The effect of thermal temperature on particle…
The structural and electrical properties of a metal-ferroelectric-insulator-semiconductor (MFIS) structure with an Al 2 O 3 layer prepared by using the molecular atomic deposition method and Pb(Zr 0.52 Ti 0.48 )O 3 (PZT) deposited by the radio frequency magnetron sputtering method are investigated. PZT exhibits a very…
Lead-free ferroelectric (K0.44Na0.52Li0.04)(Nb0.86Ta0.10Sb0.04)O3 thin films have been prepared by pulsed laser deposition. The structures, morphologies and electrical properties of the thin films have been investigated as a function of oxygen pressure from 10 Pa to 40 Pa. The oxygen pressure plays an important role o…
Abstract not provided.
A series of CdxZn1-xS (x=0.1~0.9) composite photocatalysts were prepared by coprecipitation method. The above-prepared photocatalysts were characterized by X-ray diffraction (XRD), UV-Vis diffusive reflectance spectroscopy (DRS),surface photovoltage spectroscopy (SPS). It was shown from XRD that CdxZn1-xS solid soluti…
p-type Bi0.5Sb1.5Te3+xTe thermoelectric crystals with various percentages of Te (x = 0.00 wt.%–3.00 wt.%) excess were prepared by the gradient freeze method. By doping with different Te contents, anti-site defects, Te vacancies and hole carrier concentrations were controlled. The Seebeck coefficient, resistivity, ther…
Abstract not provided.
ÖZETBiyo çözünür polimerler teknolojik gelişimin çeşitli alanlarında çok büyük önem teşkil etmektedirler.Birçok bilim insanı bu konuda çeşitli araştırmalar yapmaktadırlar.Biyo çözünür polimerlerden biri olan poli(laktik asit) (PLA), medikal alanında, paketleme ve ambalaj alanında, çevresel uygulamalarda, tekstil uygul…
The integration of porous ultra low dielectric constant materials (ULK) for isolation within the interconnect system of integrated circuits is a promising approach to reduce RC-delays and crosstalk due to shrinking feature sizes [1]. Actually the focus is on porous CVD-SiCOH materials, which consist of a Si-O-Si backb…
In this study, effect interfacial bonding strength on pattern density was evaluated. The Silicon oxide(SiO2) on parallel patterned Cu lines wafer can be removed by using a solution of buffered oxide etch and sulfuric acid (BOE/H2SO4) to improve the bonding quality of Cu-Cu pattern direct bonds. Two 8-inch Cu wafers we…
Silica micro-spheres were prepared from sodium silicate at room temperature with ethyl acetate as the precipitant. The effect of process parameters on the yield and the morphology of SiO2 powders was systematically investigated and the optimum reaction condition was confirmed as follows: the concentration of sodium si…
Micro-contamination exerts ever-increasing adverse impact on semiconductor manufacturing as device integration scale keeps increasing and device geometry continues decreasing. In particular, contaminations from particles, trace metals, and/or organic compounds can reduce device yield, quality, and reliability [. Metal…
To a molten carbonate fuel cell/ gas turbine hybrid system, operating temperature which has significant influence on the performance and lifespan of system is researched. The decoupling control of multivariable system is proposed in the temperature control of a hybrid system. In the designing of decoupling controller,…
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We present new methods of structural analysis to obtain reproducible and accurate results. The approach is based on the comparison of measurements obtained in different experimental conditions. The methods are performed using ASTRA software including and refining various aspects of diffraction: features of diffractome…
In order to guarantee the requirements of H-beam microstructure and property, its must have a certain compression ratio in the rolling process from blank to finished products. This paper simulated and analyzed the law of H-beam equivalent stress change for beam blank cogging with software DEFORM. Simulation results sh…
The dye-ability and electron transport property of TiO2 film are the two critical factors in determining efficiency of the the dye sensitized solar cell (DSSC). Increasing dye adsorption which increases the light harvesting is usually achieved by using nanoporous or nanoparticle TiO2 films. Electron transport is deter…
This paper introduces needling spunlaced composite technology, through the spunlaced process and the performance of the needling process, It combined of PPS with needling spunlaced composite analysis, State the high temperature filtration material process and characteristics, and point out its valuable.
Abstract This study presents results of stress rupture test of MAR-M-509 cobalt alloy samples, as-cast and after surface refining with a concentrated stream of heat. Tests were conducted on samples of MAR-M-509 alloy castings, obtained using the lost-wax method. Casting structure refining was performed with the GTAW m…