Materials Literature
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We report the results of our studies on optical and thermal properties of ternarymixture of three compounds viz., 4ÂÂ-n-octyl-4-cyanobiphenyl (8CB), Didodecyl dimethyl ammonium bromide (DDAB) and Glacial acetic acid (GAA). Higher concentrations of the givenmixture showa very interesting reentrant nematic phase, seque…
An investigation was made of the effect of mechanical strain on the electrical properties of composites based on nitrile butadiene rubber. It was shown that general conductivity of the composite is ensured by the formation of direct contact between particles of the conductive filler, which leads to the formation of a…
The paper presents the results of numerical investigation on a basis of previously published methodic of the process of destruction of thin-walled tubular specimen, partially submerged in liquid chlorine-containing environment at various levels of the axial tensile stresses. The comparison of the results of numerical…
The problem of defining the reliability and the residual life of thin-walled structures is solved in terms of the principle of safe damage (the growth of fatigue cracks) at zones of stress concentrators. Keywords: safe damage, reliability, residual life, fatigue cracks.
Spherical particles of a Sidistar R silica type with a BET surface area of only 20 m2/g can be used to improve the processing behaviour of Noxtite HT-ACM based compounds without loss of physical properties or chemical resistance to meet the requirements of automotive applications. This silica can be added on top of ex…
Der Kristallisationsprozess supramolekularer Blockcopolymere ist deutlich komplexer verglichen mit kovalent gebundenen Blockcopolymeren. Das Ziel dieser Arbeit war supramolekulare Blockcopolymere mit verschiedenen Molmassen herzustellen und deren Kristallisationsverhalten zu untersuchen. Die drei untersuchten Gruppen…
Electrical sensitivity of a boron nitride nanotube (BNNT) was examined toward C2H5OH molecules by using density functional theory (DFT) calculations . It was founding that the adsorption energy(Ead) of ethanol on the pristine nanotubes is about -51.5 kJ / mol, but when the nanotube has been doped with Si and Al atoms…
Fundamental and Applied Research for Animals & Health Gas emissions according to different pig housing systems Gas emissions according to different pig housing systems 27-05-18 2 Gas emissions according to different pig housing systems Introduction • Pork: most consumed meat in the world (38%) • By 2050: pig consumpti…
The paper presents a technique for solving numerically the nonlinear nonstationary problems of axisymmetric elastoplastic deformation of shells of revolution taking into consideration torsion under the large deformation. The method is based on the geometrically nonlinear Timoshenko theory of shells and the plasticity…
In practical geotechnical engineering the factor of safety is still determined by means of simple limit equilibrium analysis in many cases. However, because displacement finite-element analysis is routinely applied for assessing displacements and stresses for working load conditions, this technique is increasingly bei…
Diseased heart valves are commonly replaced by mechanical, bioprosthetic, or allograft heart valves. These replacements provide major improvements in cardiac function and quality of life, but have significant limitations and eventually require surgical replacement within 15-20 years. These risks are particularly promi…
In bilayer system, consists of ferromagnetic insulator, high spin orbit coupling normal metal (FM|NM), a new ferromagnetic resonance (FMR) damping that depends on varying the thickness of the normal metal observed. This new enhancement in the damping attributed to magnetic proximity effect (MPE) at the interface, whic…
Biodegradable polymer composites attract increasing attention in recent years. The objective of our work is to combine biodegradable polymer components, polycaprolactone (PCL) and thermoplasticized starch (TPS), with different types of TiO2-based particles (TiX) which act as a biocompatible inorganic filler. These pol…
Denna undersokning, som initierats av Svensk Karnbranslehantering AB (SKB) och som utforts av Swerea KIMAB AB och CBI Betonginstitutet, omfattar fem ars korrosionsprovning i Aspotunneln. Undersokni ...
A focus of the field of biomaterials is to use directed design to create new materials which replicate and enhance the intricate functions of the human body. Nature's own building blocks, peptides, are an ideal material to create self-assembling biomaterials as they are biodegradable, relatively easy to synthesize, an…
Jerrycans made from three different types of high-density polyethylene (HDPE) were exposed outdoors, for one Berlin summer season. They were filled with a 55 percent nitric acid solution (HN03), pure water, or air, and half of them were protected from sunlight by an UV absorbing canvas. Thus, the separate effects of U…
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The results of the experimentally and theoretically studying the fatigue life of the 08Х18Н10Т austenitic steel under regular and block cyclic modes of low-cycle loading are presented. In the frame of damaged medium mechanics, processes of fatigue damage accumulation for low-cycle fatigue are modeled. The presented mo…
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Godkänd; 2014; 20150401 (chjo)