Materials Literature
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The strain rate-temperature conditions of manifestation of the effect of high-temperature superplasticity by samples of an 1933 alloy have been established. Features of the structural state, phase composition, and deformation relief of samples of this alloy have been investigated. It has been established that grain-bo…
Transport properties (conductivity, transport numbers of oxygen ions, oxygen permeability) are studied for new composites of ZrV2O7-25, 30, 35, 40 mol % of V2O5 with a liquid-channel grain boundary structure (LGBS) at 680–740°C. It is shown that the composite of ZrV2O7-40 mol % of V2O5 with LGBS has high selective oxy…
The corrosion inhibition characteristics of the synthesized (I, II and III) nonionic surfactants on carbon steel corrosion in 1 M acid chloride have been investigated at 30 oC by potensiodynamic polarization. The obtained results show that compound I has the best efficiency at concentration 0.08 mmol/L while compound…
Magnetic composite sorbents based on microporous and biporous hypercrosslinked polystyrenes (HCPs) with inclusions of iron oxide nanoparticles were studied by X-ray diffraction and differential thermal analysis. In microporous composites, the size of impregnated magnetite nanoparticles was less than ∼6 nm, the nanocom…
The dependence of the complex permittivity of epoxy composite in the microwave region on the concentration of added amine-functionalized graphene fillers is studied. It is shown that the obtained composites have high values of the dielectric loss tangent at comparatively small values of ɛ′.
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Ilknur Küçük, Halil Gevgilili, Dilhan M. Kalyon; Effects of dispersion and deformation histories…
The Gibbs free energy and critical reaction conditions of preparing Mg and Ca metal by carbothermic reducing calcined dolomite were calculated and analyzed. New thermodynamic criterion for reduction reaction, including the critical temperature and vacuum degree, was studied. The results show that: when T/P0.0449 < 119…
Characteristic equations in magnetized plasma with chirality are derived in simple formulations and the dispersion relations for propagation parallel and perpendicular to the external magnetic field are studied in detail. With the help of the dispersion relations of each eigenwave, the author explores chirality-induce…
This paper focuses on finding optimal electrochemical conditions from linear sweep voltammetry analysis for preparing highly reproducible tip-enhanced Raman scattering (TERS) conical gold tips with dc-pulsed voltage etching. Special attention is given to the reproducibility of tip apex shapes with different etchant mi…
Abstract The research described in this article is a fragment in the series of published works trying to determine the applicability of new materials for parts of the mining machinery. Tests were carried out on the - very popular in mining applications - 36HMN steel and three types of the austempered ductile iron, usi…
Abstract Attempts have been made to describe the influence of WC additions on properties of M3/2 high speed steel (HSS) based composites. The powder compositions used to produce skeletons for further infiltration were M3/2, M3/2+10%WC and M3/2+30%WC. The powders were cold pressed at 800 MPa. The green compacts were su…
Monoclinic non-centrosymmetric guanylurea(1+) hydrogen phosphite (GUHP), (NH2)2CNHCO(NH2)H2PO3, was found to be an attractive SRS-active crystal manifesting numerous χ(3)- and χ(2)-nonlinear optical interactions. In particular, with picosecond single- and dual-wavelength pumping SHG, THG (via cascaded parametric four-…
Due to the increasing demand for highly efficient power electronic converters, a detailed design targeting each individual circuit component like magnetic components is getting more and more important. Several electric and calorimetric methods for the loss measurement of magnetic components are known from literature.…
Simulations of molecular dynamics play an important role in computational chemistry and physics. Such simulations require accurate information about the state and properties of interacting systems. The computation of water cluster potential energy surface is a complex and computationally expensive operation. Therefore…
The investigation of the influence of mould temperature and blowing agent percentage on structure, and selected properties (weight, mechanical properties, surface state - gloss and colour) of moulded parts from HDPE was the aim of this work. The structure of moulded parts in cross-section perpendicular and parallel to…
Natural fibers are considered to have potential use as reinforcing agents in polymer composite materials because of their principal benefits: moderate strength and stiffness, low cost, and being an environmental friendly, degradable, and renewable material. A study has been carried out to evaluate impact properties of…
Silver nanoparticles are one of the most commonly used nanomaterials. However, there remains insufficient information on their genotoxic effects. The goal of this study was to investigate cytotoxic and genotoxic effects of chitosan-coated AgNPs using the well-established Allium test. Root tip cells were treated with s…
Epitaxial (K x Na1-x )NbO3 films with various compositions x were deposited on Nb-doped (100)SrTiO3 single crystal substrates at 240 °C by the hydrothermal method. Detailed crystal structures were analyzed by X-ray diffraction. All the (K x Na1-x )NbO3 films consisted of a perovskite phase without any impurity phase.…
This paper presents the use of polyelectrolyte-decorated amyloid fibrils as gate electrolyte in electrochromic electrochemical transistors. Conducting polymer alkoxysulfonate poly(3,4-ethylenedioxythiophene) (PEDOT-S) and luminescent conjugate polymer poly(thiophene acetic acid) (PTAA) are utilized to decorate insulin…
K 2 Co(SO 4 ) 2 · 6H 2 O single crystals of optical quality have been grown and the effect of solution pH on their solubility and transmission spectra has been investigated. A kinetic growth curve is obtained for the (110) face and the onset temperature of dehydration is established for single-crystal samples. The str…