Materials Literature
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Ordered mesoporous silica (MPS) is expected to be used as an adsorbent for energy-efficient desiccant cooling systems. For practical use, it is important to be able to fabricate thick MPS coatings on metal supports. As we reported previously, MPS coatings on metal substrates can be formed using the electrophoretic dep…
Solidification/stabilization (S/S) is considered to be a well-established disposal technique to reduce sludge handling and disposal obstacles. In this work, the sewage sludge was solidified at variable proportions with magnesium oxychloride cement (denoted as MOC therinafter) as reagent. The mortar prism samples of 40…
The paper investigates the EMC behavior of carbon nanotube interconnects, which are candidate to replace copper in future nanoscale technology. In particular, two problems are addressed: the influence of the kinetic inductance on the high-frequency behavior and the crosstalk performances of such interconnects. A recen…
In this study, tabular alumina and seawater magnesia were used to synthesize in situ Al2O3-MgO spinel castables. Secar® 71 cement was used as a binder. In order to produce in situ formation of Al2O3-MgO spinel castables, the effect of MgO content on refractory properties was investigated by adding to the mixture at th…
High-strength copper-nickel (Cu-Ni-Mn-Al-Nb) alloys are widely used for marine applications because of their excellent resistance to seawater corrosion, high inherent resistance to biofouling, and ease of fabrication. However, in-service experience has shown that these alloys may encounter variable performance worldwi…
Operating parameters of electric machines depend, among other things, on the parameters of magnetic circuit used in the machine…
In hot dip galvanizing, several parameters such as chemical composition of coating bath, immersion time and surface roughness of specimens could affect microstructure and properties of coating. In this article, the effect of aluminum content, immersion time and surface roughness on structure and properties of alloy la…
A detailed knowledge of the basic engineering material properties is of fundamental importance for fabrication purpose as well as for proper design and reliability estimation of any kind of engineering structure. In particular, knowledge of elastic properties, such as Youngs Modulus and Poissons Ratio allows to assess…
The effects of blending methods on mechanical and morphological properties of CaCO 3 /LDPE and fly ash/LDPE composites were investigated as a function of filler loadings. The CaCO 3 /LDPE and fly ash/LDPE composites considered in this work were prepared by dry blending (high-speed mixer) and melt blending (using singl…
We report the design, fabrication and testing of an optimized 6-stage planar thermoelectric (TE) micro cooler producing a DeltaT = 22.3degC at a power consumption of 26 mW, the best performance reported to date for a thermoelectric microcooler. This microcooler has a compact chip-scale design, and utilizes Bi2Te3and S…
Cored wires and high velocity arc spraying technologies have been used to produce Zn–Al–Mg and Zn–Al–Mg–RE (where RE is rare earth) coatings on A3 steel. The durability of coatings in terms of corrosion resistance is the focus of this paper. To study the effect of RE, Zn–Al–Mg coatings also have been produced as a com…
For a series of epitaxial and polycrystalline manganite/ferrite heterostructures grown on different substrates, the interelation between light transmission in the IR range and electrical resistance, magnetotransmission, and magnetoresistance has been studied in a temperature range of 80–385 K. It has been established…
Abstract This work reports on the study of thermal stability of dark decorative Ti(C,O,N) thin films produced by reactive magnetron sputtering, from a pure titanium target, using acetylene and an oxygen and nitrogen mixture as reactive gases. The thermal resistance and evolution of structural and physical properties w…
An advanced procedure is developed for the thermal calculation of the rolls in a wide-strip hot-rolling mill (WSHRM). It combines the following two adaptive models: the thermal balance in the active surface layer in a roll per revolution and the thermal balance in the main zones of work and backup rolls with axisymmet…
The structures of Al-Mn melts with 14.3, 20, 26.7, 40, 50, and 70 at % Mn are studied by X-ray diffraction at a temperature 50°C above the liquidus temperature. The reverse Monte Carlo simulation and experimental structure-factor curves are used to construct structural models for liquid Al, Mn, and their binary melts.…
Abstract A 10.4‐inch full color cholesteric liquid crystal display (ChLCD) with high reflectivity and high resolution by dual stacking is demonstrated. This display consists of two cholesteric liquid crystal (ChLC) panels with the same chirality ChLC but separated by a layer of half‐wave plate material allow the refle…
A streak camera is used to measure the shape of sonoluminescence pulses from a cavitation bubble levitated stably in a sulfuric acid solution. The shape and response to an acoustic pressure field of the sonoluminescence pulse in 85% by weight sulfuric acid are qualitatively similar to those in water. However, the puls…
Abstract Low‐pressure plasma generated in a typical parallel plate reactor and atmospheric pressure plasma produced by a plasma needle were utilized to modify the surface of poly(styrene–butadiene–styrene) (SBS) elastomers. An RF discharge (13.56 MHz) in helium was used in the both cases. The SBS surfaces were investi…
The aligned hollow piezoelectric poly (viniliden fluoride) (PVDF) nanofiber was prepared by co-axial electrospinning. Beaded free finer aligned hollow nanofibers have diameter range between 80 and 300 nm. Surface roughness and crystal structure of nanofiber fibers were successfully controlled by using special ionic ad…
Abstract. During recent years, many investigations have been carried out to determine how to select di erent materials for the making of Micro Electro Mechanical Systems (MEMS) and bio-MEMS. The NiTi shape memory alloy thin lm has been much regarded as a promising candidate for MEMS due to its unique shape memory e ec…