Materials Literature
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Ferroelectric-ferromagnetic composites based on ferroelectromagnetic PbFe1/2Nb1/2O3 powder and ferrite powder (zinc-nickel ferrite-NiZnFe and zinc-manganese ferrite-MnZnFe) were obtained in the presented study. The volume fraction of ferroelectromagnetic powder in the composite PFN-MnZnFe was equal to 90%, while the f…
The paper reports about the lesson learned by the work performed so far, about the challenges and the successes obtained in the various activities, drawing conclusions and discussing about the future actions to be made by the ENEN Association in its service to European citizens.
Bulk heterojunction organic photovoltaics utilize the electrical characteristics of semi-conductive polymers. These solution processable materials are beneficial because of their low material cost, light weight, and simple fabrication requirements. Our devices employ multiple photoactive polymers, P3HT and PCPDTBT, to…
This work presents the required pH value for the synthesis of ZnS semiconductor nanocrystals capped with sodium carboxymethyl cellulose (CMC). The nanoparticles were synthesized using the precipitation technique. Structural, morphological and optical properties of nanoparticles synthesized at different pH values were…
This study details the construction and performance testing of a mixed mode solar dryer using a combination of direct and indirect solar energy to dry food. One major benefit of this dryer design is its construction. It was simple to construct and was made with low cost materials, to make it feasible for use in develo…
Austempered ductile iron has a well-established world reputation as a material meeting some specific requirements for the construction of machinery and equipment [1,2]. High quality of castings, high abrasion wear resistance, the yield strength at a level of 5001300MPa, self-lubricating capability, and the density by…
Purpose: The paper investigated the effect of the combination of two structures on the transmission of electromagnetic waves as a multilayer filter. Examined how the combination of two structures affect the properties of the filter. As a component materials of structures used both right-handed material (RHM) and left-…
This review presents the modern methods of treatment of infected septic wounds and also describes the benefits of each treatment method.
The paper includes the results of the experimental study of the disjoining pressure in the thin oil films with anisotropic properties on the grey cast iron piston rings. It is shown that the disjoining pressure in the thin film, in a mode of self-regulation, can automatically balance the normal load between a pair “ri…
Functions belonging to each of the subclasses and of normalized analytic functions in the open unit disk are investigated when and several subordinations are obtained. A number of interesting consequences of these subordination results are also discussed.
Un nanocompuesto polimerico es un material caracterizado por la dispersion homogenea de particulas de relleno de dimensiones nanometricas en el interior de una matriz polimerica. Como relleno se usan, por lo general nanoparticulas de oxidos de cinc y silicio, asi como la laponita y nanotubos de carbono, por mencionar…
High resolution noninvasive tools of diagnosis has always derived and enabled scientific and medical research to probe and better understand subtleties of matter, intangible to the human eye. Radiation detection systems are highly dependent on advancements in materials and devices with front-end electronics. There are…
Technological processes of blowing the polymer preform occupy a prominent position among the widely understood blowing technology side extrusion blow molding or direct injection blow molding. Efficient design of a structural preform for a specific final polymer product needs to give its geometric form suitable thickne…
Purpose: The aim of the paper is to compare results after thermo-mechanical simulation using Gleeble 3800 and hot-rolling on LPS module of high-manganese austenitic X11MnSiAl7-1-3 steel. Design/methodology/approach: The hot-working behaviour was determined in continuous, 4- and 8-stage compression tests performed in a…
The genus Choroterpes (Ephemeroptera: Leptophlebiidae) is recorded for the first time from Caldas department, Colombia. This genus was previously reported from South America, based on a Colombian material lacking precise locality data from Antioquia and Tolima departments, respectively. In this paper, the numerous nym…
This paper describes and evaluates accelerated aging of a titanium dioxide (TiO2) filled polyamide (PA) film used for photovoltaic (PV) backsheet materials. Therefore damp heat conditions (85 %RH, 85 °C) over an exposure time of up to 2000 hours were applied to uniform specimens of 375 μm thickness followed by detaile…
The overall goal of the research described here is to develop synthetic routes to bifunctional reagents that can be tethered into silicate matrices derived from the tin functionalized cube, Si8O20(SnMe3)8 [octatrimethyltin silicate]. The critical functional group required for reaction with cubic silicate building bloc…
The use of waste (or recycled) wood as a fuel in heat and power stations is becoming more widespread in Sweden (and Europe), because it is CO2 neutral with a lower cost than forest fuel. However, it is a heterogeneous fuel with a high amount of chlorine, alkali and heavy metals which causes more corrosion than fossil…
Nilze Maria de Azeredo Reguera tenta decifrar criticamente uma das obras mais densas e radicais da escritora paulista Hilda Hilst, os cinco textos em prosa reunidos no livro Fluxo-floema, publicado pela primeira vez em 1970. A autora parte do princípio de que o livro delineia um movimento de oscilação da artista, que…
This project investigates the performance benefits of polysiloxane and polyurethane coating systems for corrosion protection in marine environments. PPG Industries Amercoat 450H and International Paint Interthane 990HS were the polyurethane topcoats tested. PPG Industries Ameron PSX 700 (New Blend) and International P…