Materials Literature
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Model samples of zirconium E635 alloy after rolling, annealing, quenching were subjected to reactor irradiation in BOR 60 up to a fluence ∼ 10 26 m -2 . The Mössbauer studies data on the state of iron in the original samples previously subjected to rolling, annealing and quenching, and on the irradiated alloy samples…
Indentation of shape memory materials and later heating with recovery of indent is studied in this work using finite element modelling. Results of simulations of two types of shape memory materials, with one-way shape memory effect and with superelastic properties compared to experimental indentation with 200μm spheri…
In recent years, there has been a rapid growth in the development and application of Li-ion batteries in many aspects of daily life. From portable electronic devices to electric vehicles, global reliance on portable energy storage solutions is projected to continue growing throughout the next decade. To facilitate ado…
Piezoelectric ceramics (Na0.5Bi0.5)TiO3+ 0.5 mol.% Mn (Mn-NBT) have been synthesized by mechanical activation of mixed oxides BiO2, Na2CO3, TiO2 and MnO for 1 h at room temperature. Non-activated and activated Mn-NBT powders were characterized by using X-ray diffraction and scanning electron microscopy. Also, the mech…
A new noncontact technique is proposed for determining the parameters of nanosized metal coatings (absorption coefficients, refractive indices, and thicknesses). It is based on processing the measured angular dependence of the energy reflection coefficient of a polarized laser beam reflected by a thin-film structure s…
The aim of this study was to detect the determinations of the 3D cell deformations of pine wood (Pinus sylvestris L.) in micro-scale(m) under mechanical compression loading. The 202050 mm 3 sized wood specimens were tested under compressive pressure load through 35-40 MPa parallel to the grain orientations. The pressu…
Assembly of the 0-dimensional fullerene molecules into well-organized micro/nanostructures is an effective strategy for realizing their applications. In this presentation, the synthesis of various nanomaterials and their applications in electrophotonics, energy storage, and energy coversion have been reported, with a…
The object of the present study was the corrosion-resistant amorphizing alloys with an increased content of boron for cladding the surface of metals, rapidly quenched alloys without boron for protective coatings on a high-boron cladding layer, as well as steel samples with a protective coating with a high content of b…
The linear linker 1,3-bis(2-methylimidazolyl)propane (Bmip) has been used to construct two new coordination polymers with Zn2+ and Co2+ ions and carboxylate donor ligand viz., 4,4’-oxydibenzoic acid (H2Oba). Compounds formed hydrothermally are [Zn(Bmip)(Oba)] n (Ι), [Co(Bmip)(Oba)] n (II). Complexes Ι and II have been…
Modelli di rete elastica sono molto utilizzati per descrivere la dinamica intrinseca di una proteina attraverso l'analisi dei modi normali di oscillazione. Nonostante la loro semplicita permettono infatti di riprodurre e predire movimenti collettivi fondamentali per la funzionalita biologica della proteina. In questo…
DNA has become very attractive as scaffold for functional molecules on the nanometre scale.1 The sequence specific insertion of modified nucleotides using automated DNA synthesis allows for the creation of new designer molecules with a wide range of potential applications. We have established a general synthetic route…
In this study, we synthesized Ag₂Se nanoparticles (NPs) in an aqueous solution and investigated the thermoelectric characteristics of Ag₂Se NPs thin films on plastic substrates. Regardless of thermal annealing treatment, all the Ag2Se NPs thin films show the negative Seebeck coefficients, indicating the n-type charact…
The present work is devoted to the study of the structural-phase state of the brazed joints of dissimilar materials obtained by rapidly quenched filler metals before and after tests in the working conditions. The constructive elements of the International Thermonuclear Experimental Reactor (ITER) working chamber were…
L’objectif de cette these est de modeliser en temps reel la propagation d’un incendie dans des ensembles comportant un grand nombre de locaux. Un modele semi-physique de reseau polydisperse amorphe prenant en compte les connexions a courte et longue distances entre sites, est propose. Les phenomenes physiques lies au…
Neutral or alkaline papermaking provides many advantages in paper strength and processing conditions. It also provides the opportunity of using calcium carbonate fillers in papermaking. These diverse advantages have made almost all paper machines of printing and writing papers run under neutral and alkaline conditions…
Photocatalysis has attracted an enormous amount of research interest, in especially with regard to applications such as solar hydrogen generation as well as pollutant degradation. Main research target is the development of corrosion-stable core candidate materials that are able to perform under the abundant visible li…
The endohedral metallofullerene (EMF) self-assembly process in Sc/carbon vapor in the presence and absence of an inert cooling gas (helium) is systematically investigated using quantum chemical molecular dynamics simulations. It is revealed that the presence of He atoms accelerates formation of pentagons and hexagons…
Linear and star-shaped molecules based on p-conjugated chromophores containing a polycyclic aromatic core, with the adequate HOMO LUMO energy orbitals, have generated significant interest for use in optoelectronic devies due to their properties of isotropic absorption and strong tendency to stack into quasi-1D columns…
Graphene derivatives are expected to be crucial for finding new properties beyond pure graphene. Selectively sensing of molecules or macromolecules is one exciting example. However, the chemical toolbox giving control over the type and degree of functionalization of graphene, on the single layer level, is far from bei…