Materials Literature
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The individual stages of investigations aimed at increasing the service life and longevity of aviation systems are discussed. The outstanding properties of glued prepregs are indicated and the results of application discussed. The results obtained in investigating a new class of aluminium-polymer–laminated materials S…
L'utilisation de ressources locales est une des facettes importantes du développement durable dans le secteur de la construction. Plusieurs types de sous-produits sont aujourd'hui à l'étude pour une utilisation dans les bétons en tant qu'addition cimentaire, dans le but de développer des liants basés sur des ressource…
The bolted joint is a very popular method of fastening together different components and one of the most important factors of machine design. Any mechanical failure of the bolted joint in rail industries can affect their financial, safety, and public confidence. In this paper, the primary objective was to create a bol…
Siloxane - poly (methylmethacrylate)-based materials are systems formed by a silicon network, to which chains of poly (methylmethacrylate) are linked by covalent bonds or by physical interactions. Their stability and adherence allow their application on substrates like tin plate in order to increase the corrosion resi…
Background and purpose: 1,2 diarylethylene or stilbenes are hydrocarbon derivatives with two phenyl group bonded to the double bond carbons. There are two isomers of stilbenes that Z-isomer is less stable than E-isomer. However, the Z-isomer is stronger than E-isomer as potent cyclooxygenase-2 (COX-2) inhibitor. E and…
In this work we report the synthesis and characterization of hybrid nanostructures of multiwall carbon nanotubes (MWCNT) and cadmium sulphide (CdS) nanoparticles. In a solution of thioacetamide and cadmium sulphide, purified MWCNT are added to prepare the CNT/CdS hetrostructure. XRD diagrams, SEM images, and also phot…
The existing theoretical approaches have been unable to confront the large corpus of outstanding data on the cuprate superconductor in a persuasive and unified manner. There is a general opinion now growing that these theories miss some essential points. We propose one based on multichannel Kondo effect that is physic…
Bleaching of jute-cotton union fabric has been carried out using different chemicals and methods. It was found that the Sample L bleached with sodium silicate and H 2 O 2 sequentially at 85C for one hour then at room temperature for another hour and the sample M bleached at RT with a sequential combination of chemical…
Research is being conducted to study the degradation of thermal barrier coatings (TBC) employed on IGCC turbine hot section airfoils due to particulate deposition from contaminants in coal syn-thesis gas (syngas). West Virginia University (WVU) had been working with US Department of Energy, National Energy Technology…
Designers are ever evolving new styles for fashion conscious people. In the present scenario, western dresses are on the mind of young people and adolescents. Trousers, the western garment, were first adopted by Indian males. Though in the recent past, it is gradually becoming popular among the educated young females,…
Abstract Three-dimensional photolitography, also known as Direct Laser Writing (DLW), is a powerful technique for fabrication of photonic microstructures. In this paper we present the basics of the relevant technology and discuss some features of the fabrication process. We also describe the experimental setup designe…
Products made of polymeric materials are becoming more common. At the same time, requirements for quality, accuracy of shape and sizes of products are increasing. Meeting the demand for domestic plastic products is impossible without improving the design and process parameters of equipment and polymer processing proce…
Silicon surfaces of multicrystalline substrates before and after the formation of porous silicon on them, used in the production of photovoltaic cells were studied by mass spectrometry methods. An analysis of the elemental surface composition by mass spectroscopy of secondary ions at various manufacturing stages, incl…
High-strength polyethylene films containing 0.5-1.0 wt. % of nanocrystalline silicon (nc-Si) were synthesized. Samples of nc-Si with an average core diameter of 7-10 nm were produced by plasmochemical method and by laser-induced decomposition of monosilane. Spectral studies revealed almost complete (up to ~95 %) absor…
We have studied erosion of nichrome, titanium, titanium nitride, chrome, and chrome carbide coatings impacted by cavitation. The coatings are obtained by applying plasmatron, detonation, vacuum and arc as well as atomic and ionic sedimentation methods. Ultra-sound cavitation was created in water; the fluctuation ampli…
In this research, high density polyetylene (HDPE) reinforced oil palm empty fruit bunch fiber micro composites to improve the mechanical properties were prepared using melt blending and hot press technique. Oil palm empty fruit bunch fiber as a filler reduces in sizes 63, 75, 90, and 106 µm. Oil palm empty fruit bunch…
The aim of this study was to evaluate the antifungal properties of cassava edible film incorporated with lemongrass essential oil against two strains of fungal, Trichoderma sp and Penicillium sp. Edible films were prepared from a mixture of cassava starch and glycerol. Lemongrass oil (0.5%, 1%, 2%, 3% and 4% w/w) was…
Abstract : Although the breakthrough pressure needed for liquids to penetrate re-entrant surface textures has been considered typically as simply a dependent parameter arising from the combination of geometry and thermodynamic interaction characteristics of the surface, it has the advantage of often being one of easie…
Plasmonics aims to interface photonics and electronics. Finding optical, near-field analogues of much used electro-technical components is crucial to the success of such a platform. Here we present the plasmonic analogue of a non-reciprocal antenna. For non-reciprocality in a plasmonic context, the optical excitation…
Chlorine and its compounds are widely used in industries and they are needed to produce lots of materials. This element that is abundant in the Earthâs crust and oceans, the powerful, corrosive substance is considered essential to an array of products. Thus, these chemicals could be causing catastrophic events. It sho…