Materials Literature
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Soy protein isolate (SPI)-based nanocomposite films with three different types of nanoclays, such as Cloisite Na+, Cloisite 20A, and Cloisite 30B, were prepared using a solution casting method, and their optical, tensile, and water vapor barrier properties were determined to investigate the effect of nano-clay type on…
The spin and valence states of iron in (Mg0.8Fe0.2)SiO3 perovskite were measured between 0 and 65 GPa using synchrotron Mössbauer spectroscopy. Samples were synthesized in situ in the laser-heated diamond cell under reducing conditions. The dominant spin state of iron in perovskite is high spin at pressures below 50 G…
It is a longstanding tradition of the IEEE Nuclear and Space Radiation Effects Conference (NSREC) to honor the Outstanding Conference Paper and the Outstanding Data Workshop Presentation. In recent years recognition has also been given to the best paper presented and first-authored by an IEEE Student Member. The award…
This paper deals with the investigation of the microstructure and hardness of steel samples cladded with satellite 6-WC composites by using gas tungsten arc welding (GTAW) process. For this purpose, steel samples were coated with unreinforced and reinforced stellite (by 20, 30 and 40 wt.% WC). The cladded samples were…
Dye-sensitized solar cell(DSC) is composed of a dye-adsorbed nanoporous layer on fluorine-doped tin oxide(FTO) glass substrate, electrolyte, and platinium doped counter electrode. Among these, a dye-absorbed nanoporous layer plays an important role in the performance of the DSC because the injected electrons from exci…
Abstract This article examines how cellular automaton (CA) can be applied to the simulation of static and dynamic recrystallization. It describes the steps involved in the CA simulation of recrystallization. These include defining the CA framework, generating the initial microstructure, distributing nuclei of recrysta…
Abstract : The former Erie Army Depot, Ottawa County, OH, is located along the western shore of Lake Erie about 5 miles west of the town of Port Clinton. This site and the associated impact areas are designated by the United States Government as a Formerly Used Defense Site (FUDS) under the Defense Environmental Resto…
Bu çalışmada, biyoparlatma işlemi uygulanmış örme kumaşların bazı özelliklerine tekrarlı (çoklu) yıkamaların etkisi araştırılmıştır. Kumaş numunelerine 10 ve 20 defa olmak üzere ev tipi çamaşır makinesinde çoklu yıkama işlemleri yapılmıştır. Deneysel çalışma sonuçlarına göre, en büyük boyutsal değişimler ilk 10 yıkama…
This work is carried out with using of unsaturated polyester resin mixed with natural rubber (90%-10%) to compose a polymeric blend. This polymeric blend is the matrix, which reinforced with several types of reinforcements (Al powder, Al wires, and glass fibers G.F) with a volume fraction of 20%.Hand Lay-up method is…
Genel olarak kece ve dokunmus kumaslar, kompozit yapilarda elyaf takviyesi olarak kullanilmaktadir. Cam ve karbon lifleri, elyaf takviyeli kompozitlerde cok eksenli kumaslarin mekanik ozelliklerini arttirmada yaygin olarak kullanilan materyallerdendir. Bu calismada, dogal elyaf kullanilarak uretilen kompozit yapilarin…
Çalışmada, Slovenya’da toplanan ambalaj teleflerinden elde edilen %100 geri dönüşüm polipropilen liflerinin kullanımı ele alınmaktadır. Bu araştırmanın amacı , eriyikten monofilament lif çekiminin optimizasyonunun sağlanması ve ham, geri dönüşüm polipropilenpolimeri ve bunların karışımlarından üretilen liflerin özelli…
Cu2HgI4 powder was prepared at room temperature using the reactive chemical solutions process. The structure of the prepared powder was identified by X-ray diffraction. The dc electrical conductivity, σ(subscript dc), studied in the temperature range 303-370 K shows a drastic change around 340 K, which is attributed t…
Due to its high electron density (> 1× 1013cm-2) and high electron mobility (> 1000 cm2/V.s), AIN/GaN high-electron mobility transistors (HEMTs) present themselves as attractive candidates for high power and high speed applications. In order to continue increasing their high frequency performance, gate length (Lg) nee…
Advanced optical applications (such as fiber optics) demand the engineering of innovative materials which provide the requisite optical performance in a form with specific functionality necessary for the desired application. We will report on recent efforts to engineer new non-oxide glasses with tailored photo-sensiti…
This paper presents a Monte Carlo device simulator developed to investigate the electronic transport properties in AlGaN/AlN/GaN high electron mobility transistors (HEMTs). Two different polarization models are considered to introduce electromechanical coupling and changes in the piezoelectric polarization charge at t…
The SiO2/SiC interface limits optimum SiC MOSFET performance due to a high density of interface states (D¿¿), which is reduced in devices that receive post-oxidation NO-annealing. Also, the interface state density in the 6H polytype is generally lower, approaching that of the NO treated 4H. In this work, interface sta…
Hydrothermal growth methods allow for low-temperature synthesis of ZnO nanowires (NWs) directly on a variety of novel substrates required for proposed flexible substrate applications such as power-harvesting fabrics. Although hydrothermal growth opens up a new realm of application possibilities, a major drawback of th…
In this study, a series of GaN Mg-doped samples were grown in a Riber 32 system.
In this research, the characterization of single and dual layer of anti reflection coating films are studied. The research is aim to compare the performance of single and dual layer of anti reflection coating film for solar cell application. In addition, several types of anti reflection coating films are also studied.…
In this paper, PMMA surface gratings defined using electron beam lithography patterned on gold coated substrates were used to excite surface plasmon polaritons. The enhancement of fluorescence from quantum dots was demonstrated. SEM and AFM imagery were used to determine deposited quantum dots and development of struc…