Inorganic Materials: Applied Research

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Features of Interaction of Molecular Oxygen with Condensation Surface in Low-Pressure Arc Discharge Plasma
Inorganic Materials: Applied Research - Tập 13 - Trang 945-951 - 2022
I. V. Karpov, A. V. Ushakov, L. Yu. Fedorov, E. A. Goncharova, M. V. Brungardt, V. G. Demin
A model for the investigation of features of thermal exposure of molecular oxygen in the near-surface condensation layer in a low-pressure arc discharge plasma was developed. It was determined that the electron temperature and density of positive ions ( $${\text{O}}_{2}^{ + }$$ and O+) ...... hiện toàn bộ
Composite coatings with refractory metal matrix reinforced with nanodispersed metal-ceramic component
Inorganic Materials: Applied Research - Tập 8 Số 1 - Trang 75-80 - 2017
Gorynin, I. V., Burkhanov, G. S., Farmakovskiy, B. V.
Protective coatings based on composites of a refractory metal matrix reinforced with nanodispersed particles of carbides, nitrides, borides, and oxides are developed and studied in this work.
Relation of absorption band edge of rutile films and their structure
Inorganic Materials: Applied Research - - 2014
V. M. Ievlev, S. B. Kushchev, A. N. Latyshev, O. V. Ovchinnikov, L. Yu. Leonova, K. A. Solntsev, S. A. Soldatenko, M. S. Smirnov, A. A. Sinelnikov, A. M. Vozgorkov, M. A. Ivikova
Oriented films of TiO2 (rutile) were fabricated by oxidation of monocrystal films of pure titanium and those doped with nickel. Oxidation was performed in an atmosphere of pure oxygen or air. Oriented structures were obtained in both cases at the same temperatures. The dependence of optical absorption spectra from the grain (subgrain) size was established. Titanium oxide synthesized in air atmosph...... hiện toàn bộ
Influence of the Number of Impregnation Stages on the Macrostructural and Strength Characteristics of Glassy Carbon Foams
Inorganic Materials: Applied Research - - 2024
D. V. Ponomareva, E. I. Timoshchuk, R. E. Shirokov, E. V. Vasilyeva, I. I. Lyapin, V. Yu. Takhtin
This article discusses the influence of the cell size of the initial template, solution concentration, and number of impregnation stages on the macrostructural and strength characteristics of glassy carbon foams produced by template synthesis. The Novolak resin SFP-012A2 was used as a carbon precursor; its coke residue is higher than 57 wt %. Increasing the number of impregnation stages makes it p...... hiện toàn bộ
Simulation of the influence of vacancies on the diffusion of interstitial atoms in FCC metals
Inorganic Materials: Applied Research - Tập 5 - Trang 427-431 - 2014
L. V. Selezneva, A. V. Nazarov, A. G. Zaluzhnyi
The diffusion of interstitial atoms in fcc metals is simulated taking into account their interaction with vacancies by the method of molecular statics and the kinetic Monte Carlo method. A set of activation barrier values for various carbon-vacancy configurations is calculated by the method of molecular statics. The probabilities of the atomic jump from one equilibrium position to another are dete...... hiện toàn bộ
Synthesis, Structure, and Properties of Diboride Solid Solutions (Hf1 – xTax)B2
Inorganic Materials: Applied Research - - 2024
V. V. Kurbatkina, E. I. Patsera, T. A. Sviridova, P. A. Loginov, D. A. Sidorenko, A. S. Kolva, E. A. Levashov
Porous sintered solid solutions (Hf1 – хTaх)B2 were synthesized from elements by self-propagating high-temperature synthesis and were then ground in a ball mill to fraction d50 < 10 μm. Compacts were hot-pressed from single-phase solid solutions of various stoichiometries (Hf1 – хTaх)B2, and their structure and properties were studied. The constructed dependences of the unit cell parameters on the...... hiện toàn bộ
Sintering and Properties of ZrO2–Al2O3 Composites with Additives Forming Melts Based on Sodium Silicate
Inorganic Materials: Applied Research - - 2020
В. В. Смирнов, S. V. Smirnov, Т. О. Оболкина, О. С. Антонова, M. A. Goldberg, Д. Р. Хайрутдинова, С. М. Баринов
Kinetic Regularities of Crystallization of Nanocomposites Based on Clinoptilolite and Ethylene-Hexene Copolymer
Inorganic Materials: Applied Research - Tập 12 - Trang 13-16 - 2021
N. T. Kakhramanov, I. V. Bairamova, R. Sh. Gadzhieva
The paper presents the results of experimental studies of the crystallization process of nanocomposites based on clinoptilolite and an ethylene-hexene copolymer. The temperature dependence of the specific volume and free volume was investigated by the method of dilatometric measurements. In accordance with the theory of Avrami, the kinetic regularity of the isothermal crystallization process at th...... hiện toàn bộ
Energy-Efficient One-Step Synthesis of a [Re,W]/α-Al2O3 Ceramic Catalytic Converter for the Dehydrogenation of Ethylbenzene to Styrene
Inorganic Materials: Applied Research - Tập 13 - Trang 1428-1434 - 2022
V. I. Uvarov, R. D. Kapustin, A. O. Kirillov, A. S. Fedotov, M. V. Tsodikov
A porous ceramic catalytic converter was synthesized on the basis of a coarse α-Al2O3 powder filler using ultrafine strengthening binders of the MgO + SiC + SiO2 composition and catalytically active Re2O7 and WO3 components (up to 4 wt %). Double-sided compression of the starting mixture under a pressure from 70 to 90 MPa followed by sintering of the samples at temperatures from 1200 to 1400°C was...... hiện toàn bộ
Porous Tubular Scaffolds for Tissue Engineering Structures of Small Diameter Blood Vessels
Inorganic Materials: Applied Research - Tập 14 - Trang 400-407 - 2024
E. A. Nemets, V. A. Surguchenko, V. Yu. Belov, A. I. Xajrullina, V. I. Sevastyanov
A technology for the formation of porous tubular polymer scaffolds (PTPS) made of polycaprolactone (PCL) with the necessary physical and mechanical characteristics (Young’s modulus of 5.5 ± 1.1 MPa, tensile strength of 10.9 ± 1.6 N, and maximum elongation 477 ± 38%) has been developed. Samples obtained by electrospinning from 2 mL of a 10% PCL solution in dichloromethane (voltage between electrode...... hiện toàn bộ
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