Materials Literature
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Aerogel is popular and commonly used as a composite, an absorbent, a sensor, etc. In this work, supercritical ethanol drying was performed for the preparations of Al2O3, ZrO2and MgO aerogels from the sol-gel synthesis. The effects of media, temperatures and pressures in high temperature supercritical drying mode on th…
A transparent hard coating of Organosilicon (SiOx) material can protect plastics and metals. This investigation on SiOxwas to optimize a protective film for plastic lenses and covers of mobile phones to upscale the process to an industrial size. Hexamethyldisiloxane and oxygen has been used as precursor gas. The coati…
Abstract not Available.
Carbon nanotubes, carbon spheres and slices of vertically aligned multiwalled carbon nanotubes (MWNTs) were synthesized simultaneously by chemical vapour deposition (CVD). Electron microscopy image showed carbon nanotubes were multiwalled carbon nanotubes, several micrometers in length. Carbon spheres were of uniform…
Plasmonic lenses based on subwavelength metallic nanostructures show a superfocusing capability. We report here a new property, the robustness of focusing performance to various imperfections introduced during the fabrication and testing of a practical plasmonic lens. The conclusions achieved may also be applied for o…
The flexural strength of MoSi₂ based composite reinforced with Nb sheets has been investigated, based on the detailed examination of their microstructure and fractured surface. Both sintered density and porosity of Nb/MoSi₂ composites were also examined. Nb/MoSi₂ composites were fabricated by different conditions such…
This paper aims at preparing graphene nanosheets from natural graphite by in-situ exfoliation during oxidation and intercalation when forming graphite intercalation compounds (GICs). The structure of GIC was characterized by X-ray diffraction (XRD). Graphene nanosheets were characterized by scanning electron microscop…
Described herein are two projects focusing on developing and investigating two types of nanoparticles (NPs) grown by the seeded growth method from a conducting metallopolymer for photovoltaic (PV) applications. Core/shell CdS/ZnS NPs are proven to resist the photo-oxidation of PV devices, while CuInxGa(1-x)Se2 (CIGS)…
For hot-rolling production of normal work and whether uncoiler open-book effect is directly related to the production and hot product quality to this problem. This paper proposed using active disturbance rejection control mechanism design of uncoiler indirect tensile control system.Theoretical analysis and simulation…
Fluorochlorozirconate (FCZ) glasses are a member of heavy metal fluoride glasses, and are derived from a well known ZBLAN glass. In this work, halogen salts of europium (Eu2+) and samarium (Sm3+) are used as dopants in FCZ glasses. FCZ glasses doped with Eu2+ and Sm3+ can be used in high resolution x-ray imaging for t…
We report a photothermal nanoblade that utilizes a metallic nanostructure to harvest short laser pulse energy to generate highly localized explosive vapor bubbles for rapid cell membrane cutting. The cavitation bubble pattern is controlled by the metallic structure configuration, laser pulse duration and energy. Integ…
Abstract not Available.
Abstract not Available.
In Mongolia, the last few years a rapid increase in the number of the reinforced concrete frame buildings affected by the increasing construction material's demand and needs, such as the wall inside and outside polishing, thermal partition materials. Our products from cellular concrete, facing ceramic materials do not…
The tracking phenomenon is basically a carbonaceous process, which occurs at the surface of the insulating material during operation. Epoxy nanocomposites have high tracking resistance. Tracking studies were carried out by adopting IEC-587 standards. An attempt has been made to characterize the UHF signal radiated due…
A diving-suit-used foam neoprene with high performance has been developed and its aging behaviors in QUV accelerated aging tank and temperature cyclic chamber were investigated. The results show that the tensile strength and tear strength of the material are decreased after 9d QUV accelerated aging due to the obvious…
To study appearance performance of seamless knitted fabric made of triangular hollow nylon, compare with two other kinds of fibers, circular hollow nylon and ordinary nylon, and respectively test appearance performance such as fabric drapability, rigidity and flexibility, and wrinkle recovery of seamless knitting fabr…
Space membrane reflector is very promised for optical quality application with the merits of ultra-lightweight and flexible. In order to improve the surface precision of membrane reflectors, the formation and surface shape error of a membrane at uniform load are studied based on the henky-cambell equations of circular…
The high temperature oxidation resistance behavior of a AISI430 ferritic stainless steel with a FeCrAISi coating was investigated at 900°C in air by the continuous measurement of the weight gain. The micro-structural characterization was performed by scanning electron microscopy (SEM) and the composition was determine…
A novel high-throughput fabrication technique to produce polymer embedded functional chalcogenide nanowire arrays is demonstrated. Indefinitely-long selenium nanowire arrays are obtained and their size dependent photoconductivity is investigated. Logarithmic increase in photo-conductance is observed.