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17 results on '"Solodilov, Vitaliy"'

3. Fracture of Epoxy Matrixes Modified with Thermo-Plastic Polymers and Winding Glass Fibers Reinforced Plastics on Their Base under Low-Velocity Impact Condition

Author

Tretyakov, Ilya V., primary, Petrova, Tuyara V., additional, Kireynov, Aleksey V., additional, Korokhin, Roman A., additional, Platonova, Elena O., additional, Alexeeva, Olga V., additional, Gorbatkina, Yulia A., additional, Solodilov, Vitaliy I., additional, Yurkov, Gleb Yu., additional, and Berlin, Alexander Al., additional

Published
2023
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4. Catalytic Decomposition of H2O2 in the Aqueous Dispersions of the Potassium Polytitanates Produced in Different Conditions of Molten Salt Synthesis

Author

Gorokhovsky, Alexander, primary, Morozova, Natalia, additional, Yurkov, Gleb, additional, Grapenko, Olga, additional, Kozinkin, Alexander, additional, Kozakov, Alexei, additional, Nikolskiy, Anatoliy, additional, Tretyachenko, Elena, additional, Semenov, Andrey, additional, and Solodilov, Vitaliy, additional

Published
2023
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6. Structure and Thermomechanical Properties of Polyvinylidene Fluoride Film with Transparent Indium Tin Oxide Electrodes

Author

Solodilov, Vitaliy, primary, Kochervinskii, Valentin, additional, Osipkov, Alexey, additional, Makeev, Mstislav, additional, Maltsev, Aleksandr, additional, Yurkov, Gleb, additional, Lokshin, Boris, additional, Bedin, Sergey, additional, Shapetina, Maria, additional, Tretyakov, Ilya, additional, and Petrova, Tuyara, additional

Published
2023
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9. Catalytic Decomposition of H 2 O 2 in the Aqueous Dispersions of the Potassium Polytitanates Produced in Different Conditions of Molten Salt Synthesis.

Author

Gorokhovsky, Alexander, Morozova, Natalia, Yurkov, Gleb, Grapenko, Olga, Kozinkin, Alexander, Kozakov, Alexei, Nikolskiy, Anatoliy, Tretyachenko, Elena, Semenov, Andrey, and Solodilov, Vitaliy

Subjects
DISPERSION (Chemistry), CHEMICAL decomposition, CATALYTIC activity, POTASSIUM, SUSTAINABLE chemistry, FUSED salts, RUTILE
Abstract

It is shown that the potassium polytitanate powder (PPT) synthesized at 500 °C via the treatment of powdered TiO2 (rutile) in molten mixtures of KOH and KNO3 is a cheap and effective catalyst of H2O2 chemical decomposition in aqueous solutions. At the same time, the PPT catalytic activity strongly depends on the [TiO2]:[KOH]:[KNO3] weight ratio in the mixture used for the synthesis, increasing with [KNO3] in the order of PPT (30:30:40) < PPT (30:50:20) < PPT (30:70:0). The obtained results are explained by increased [Ti3+] in the PPT structure (XPS data), which is grown in this order from 0 to 4.0 and 21.9 at.%, respectively, due to the reduced oxidation activity of the melt used for PPT synthesis. The mechanism of the autocatalytic process taking place in the PPT-H2O2-H2O system is analyzed. Taking into account the data of FT-IR spectroscopy, it is assumed that the increased catalytic activity of the investigated materials is related to the increased surface concentration of the Ti4+-O(H)-Ti4+ groups, formed from the Ti3+-O(H3O+)-Ti4+ clusters and further transformed into Ti-O-O-H catalytic centers. Some possible applications of the PPT-H2O2-H2O catalytic system, including the oxidation processes of green chemistry and photo-catalysis, are discussed. [ABSTRACT FROM AUTHOR]

Published
2023
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10. The spheroplastics destruction mechanisms under hydrostatic compression

Author

Turusov Robert, Solodilov Vitaliy, Kireynov Alexsey, Korokhin Roman, and Kuperman Alexander

Subjects
Environmental sciences, GE1-350
Abstract

This paper is devoted to hydrostatic compression testing of glass microspheres and spheroplastics (syntactic foam) based on them. Despite a significant share of the void, for example, with a volume fraction of glass microspheres in the syntactic foam of 0.5, the share of the void will be equal to 0.447. The opposition to hydrostatic compression of this material is surprising.The authors consider that the whole point here is to determine the signs and criteria of destruction of these materials. That is why tests were conducted to determine the strength of spheroplastics and a set of glass microspheres with modeling in the composition of an aqueous emulsion.

Published
2019
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16. OPTIMIZATION OF AUTOMATED WINDING TECHNOLOGY USING NC MACHINES

Author

Нахушев, Рахим, primary, Nahushev, Rahim, primary, Шевхужев, Астемир, primary, Shevhuzhev, Astemir, primary, Атабаева, Даниза, primary, Atabaeva, Daniza, primary, Солодилов, Виталий, primary, and Solodilov, Vitaliy, primary

Published
2018
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17. Phase Equilibrium, Morphology, and Physico-Mechanics in Epoxy–Thermoplastic Mixtures with Upper and Lower Critical Solution Temperatures.

Author

Shapagin, Alexey V., Budylin, Nikita Yu., Chalykh, Anatoly E., Solodilov, Vitaliy I., Korokhin, Roman A., and Poteryaev, Arkadiy A.

Subjects
PHASE equilibrium, CRITICAL temperature, ELECTRON microscope techniques, ELASTIC modulus, MIXTURES, SCANNING electron microscopy
Abstract

The mutual solubility of epoxy oligomer with polysulfone (PSU) and polyethersulfone (PES) was studied by optical interferometry. Additionally, phase diagrams (PDs) were plotted and their evolution during the curing process was shown. The phase structures of modified hardened systems, as well as their tensile strengths, elastic moduli, and crack resistance, have been studied by scanning electron microscopy and physico-mechanical techniques. The effect of initial components' mutual solubility on the phase structure and, subsequently, on the physico-mechanical properties of the composite material is shown. Differences in the structure and properties of the cured modified compositions depending on the type of PD (with Upper Critical Solution Temperature (UCST) for PSU and Lower Critical Solution Temperature (LCST) for PES) of the initial components are shown. [ABSTRACT FROM AUTHOR]

Published
2021
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