Search Results - "Sevastyanov, V. G."
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Production of HfB2–SiC (10–65 vol % SiC) Ultra-High-Temperature Ceramics by Hot Pressing of HfB2–(SiO2–C) Composite Powder Synthesized by the Sol–Gel Method
Published in Russian journal of inorganic chemistry (2018)“…The formation of HfB 2 –SiC (10–65 vol % SiC) ultra-high-temperature ceramics by hot pressing of HfB 2 –(SiO 2 –C) composite powder synthesized by the sol–gel…”
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Impact of a Subsonic Dissociated Air Flow on the Surface of HfB2–30 vol % SiC UHTC Produced by the Sol–Gel Method
Published in Russian journal of inorganic chemistry (01-10-2018)“…A new method, which included the sol–gel synthesis of a HfB 2 –(SiO 2 –C) reactive composite powder and its subsequent consolidation by hot pressing (1700°C,…”
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Thin films of the composition 8% Y2O3–92% ZrO2 (8YSZ) as gas-sensing materials for oxygen detection
Published in Russian journal of inorganic chemistry (01-06-2017)“…The synthesis of hydrolytically active heteroligand precursors of the composition [M(O 2 C 5 H 7 ) x ( i OC 5 H 11 ) y ] (M = Zr 4+ and Y 3+ ) using zirconium…”
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Preparation of HfB2/SiC composite powders by sol–gel technology
Published in Russian journal of inorganic chemistry (01-12-2016)“…Sol–gel technology was used to chemically modify the surface of HfB 2 powders with highly dispersed silicon carbide using two carbothermy protocols: (1) under…”
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5
ZrB2/HfB2–SiC Ceramics Modified by Refractory Carbides: An Overview
Published in Russian journal of inorganic chemistry (01-12-2019)“…The literature on the manufacture and characterization of ZrB 2 /HfB 2 –SiC ultra-high temperature ceramics (UHTCs) modified by ultra-refractory carbides (ZrC,…”
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Liquid-Phase Growth of Nanocrystalline ZnO Thin Films and Their Gas-Sensitive Properties
Published in Russian journal of inorganic chemistry (01-04-2022)“…Films of nanocrystalline ZnO have been synthesized in situ on specialized substrates as a result of heat treatment of zinc acetylacetonate hydrate solutions in…”
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ZrB2/HfB2–SiC Ultra-High-Temperature Ceramic Materials Modified by Carbon Components: The Review
Published in Russian journal of inorganic chemistry (01-12-2018)“…The review has been made of recent publications on modification of ZrB 2 /HfB 2 –SiC ultra-hightemperature ceramic composite materials (UHTC) by carbon…”
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Preparation of ZnS Nanopowders and Their Use in the Additive Production of Thick-Film Structures
Published in Russian journal of inorganic chemistry (01-09-2021)“…—The preparation of zinc sulfide nanoparticles by chemical deposition was studied. The thermal behavior of the thus-prepared nanopowder in air at temperatures…”
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Hydrothermal Synthesis of Nanodisperse V2O5 Using Oxalic Acid
Published in Russian journal of inorganic chemistry (01-07-2022)“…Hydrothermal synthesis of V 2 O 5 using ammonium vanadate and oxalic acid as the starting reactants was studied. The hydrothermal treatment of a solution at…”
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Synthesis of Nanoscale WO3 by Chemical Precipitation Using Oxalic Acid
Published in Russian journal of inorganic chemistry (01-12-2021)“…The synthesis of nanoscale WO 3 by chemical precipitation with oxalic acid was studied. The obtained powder was characterized by IR-spectroscopy and powder…”
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Synthesis of MAX Phases in the Ti2AlC–V2AlC System as Precursors of Heterometallic MXenes Ti2 – xVxC
Published in Russian journal of inorganic chemistry (01-05-2022)“…A relatively low-temperature molten salt assisted synthesis is developed to prepare MAX phase solid solutions in the Ti 2 AlC–V 2 AlC system, to be used as…”
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Obtaining of NiO Nanosheets by a Combination of Sol–Gel Technology and Hydrothermal Treatment Using Nickel Acetylacetonate as a Precursor
Published in Russian journal of inorganic chemistry (01-12-2019)“…Nickel oxide nanosheets were manufactured using sol–gel technology and hydrothermal treatment. The effect of hydrothermal treatment on the hierarchical…”
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13
Pen Plotter Printing of MnOx Thin Films Using Manganese Alkoxoacetylacetonate
Published in Russian journal of inorganic chemistry (01-09-2021)“…MnO x thin films on various types of substrates (glass, quartz, alumina, and Pt/Al 2 O 3 /Pt) were prepared by a combination of the sol–gel method and pen…”
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Formation of NiMoO4 Anisotropic Nanostructures under Hydrothermal Conditions
Published in Russian journal of inorganic chemistry (01-12-2021)“…—The synthesis of NiMoO4 hierarchical nanostructures using the hydrothermal method has been studied. The decomposition of NiMoO 4 · x H 2 O crystalline hydrate…”
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Synthesis of Ba0.5Sr0.5Co0.8Fe0.2O3 – δ Oxide Promising as a Cathode Material of Modern Solid-Oxide Fuel Cells
Published in Russian journal of inorganic chemistry (01-05-2021)“…The solid solution Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3 – δ was synthesized by the glycol–citrate method. The thermal behavior of the obtained powder was studied by…”
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Hydrothermal Synthesis of Hierarchical CoMoO4 Nanostructures
Published in Russian journal of inorganic chemistry (01-11-2021)“…The formation of CoMoO 4 anisotropic nanostructures has been studied with a combination of programmed co-precipitation of metal hydroxides and the hydrothermal…”
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Modification of HfB2–30% SiC UHTC with Graphene (1 vol %) and Its Influence on the Behavior in a Supersonic Air Jet
Published in Russian journal of inorganic chemistry (01-09-2021)“…Oxidation under exposure to a supersonic dissociated air jet (with heat fluxes in the range 363–779 W/cm 2 , total exposure time: 2000 s) was studied for HfB 2…”
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Investigation of Heat Transfer to HfB2-SiC-Based Ceramics in Underexpanded Dissociated-Nitrogen Flows and Analysis of the Surface
Published in Fluid dynamics (01-08-2022)“…— Experiments on heat transfer to HfB 2 -SiC-based ceramics specimens in underexpanded supersonic flows of high-enthalpy nitrogen are performed on the VGU-4…”
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Formation of NiCo2O4 Thin Films by Sol–Gel Technology and Pen Plotter Printing
Published in Russian journal of inorganic chemistry (01-12-2021)“…The production of a NiCo 2 O 4 nanopowder using hydrolytically active heteroligand complexes [M(C 5 H 7 O 2 ) x (C 4 H 9 O) y ] (where M = Ni and Co) as…”
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Formation of Hierarchical NiO Coatings on the Surface of Al2O3 Substrates under Hydrothermal Conditions
Published in Russian journal of inorganic chemistry (01-09-2020)“…A hierarchical nickel oxide film was grown on the surface of a polycrystalline Al 2 O 3 substrate by hydrothermal synthesis. The microstructure of the obtained…”
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