Search Results - "Shtefan, V. V."

High Quality Quasinormal Modes of Phononic Crystals for Quantum Acoustodynamics by Bolgar, Aleksey N., Sanduleanu, Shtefan V., Strelnikov, Aleksandr, Astafiev, Oleg V.

“…Phononic crystals are a promising platform for the study of quantum acoustodynamics. In a recent experiment, the interaction of a superconducting quantum bit…”
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Analysis of the Structure and Anticorrosion Properties of Oxide Coatings on AISI 304 Steel by Shtefan, V. V., Kanunnikova, N. O., Goncharenko, T. Ye

“…We study the electric conductivity and defectiveness of coatings obtained by the method of electrochemical oxidation on stainless steel by the method of…”
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Structural and Phase Analysis of Composites Based on TiO2 by Shtefan, V., Kanunnikova, N., Bulhakova, A., Balamut, N., Kobziev, A.

“…Morphological features of the obtained composite coatings on copper and stainless steel substrates have been investigated. The effect of titanium dioxide on…”
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Oxidation of AISI 304 Steel in Al- and Ti-Containing Solutions by Shtefan, V. V., Kanunnikova, N. A.

“…The present work was devoted to a study of the effect of the electrolyte composition on the anodic behavior of stainless steel. Morphology and X-ray phase…”
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Corrosion Properties Characterization of 06Cr18Ni10Ti, 08Cr18Ni10Ti Steels and 42CrNiMo Alloy under Conditions Simulating Primary Coolant of Pressurized Water Reactor by Zuyok, V. A., Rud, R. A., Tretyakov, M. V., Rud, N. V., Kushtym, Ya. O., Shtefan, V. V.

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Comment on “New exact solution of Euler’s equations (rigid body dynamics) in the case of rotation over the fixed point” by Sanduleanu, Shtefan V., Petrov, Alexander G.

“…The analysis of the paper “New exact solution of Euler’s equations (rigid body dynamics) in the case of rotation over the fixed point” is made. It is shown…”
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Oxidation of titanium in Zr- and Mo-containing solutions by Shtefan, V. V., Smirnova, A. Yu

“…The kinetics of the process of titanium oxidation in a sulfate electrolyte containing zirconium and molybdenum compounds has been studied. The oxide coatings…”
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Corrosion of Cobalt-Molybdenum Alloys in Chloride Solutions by Shtefan, V. V., Smyrnov, O. O., Bezhenko, A. O., Epifanova, A. S., Kanunnikova, N. O., Metenkanych, M. M., Knyazev, S. A.

“…We study the protective properties of coatings made of Co–Mo alloy in 3% NaCl and 5% HCl aqueous solutions containing 0, 10, 25, 50, 75, and 85 wt.% Mo. The…”
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ANODIC OXIDATION OF AISI 304 STEEL IN ACIDIC SOLUTIONS by Shtefan, V., Kanunnikova, N., Balamut, N.

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Electrolytic Deposition of Highly Hard Coatings of a Cobalt–Molybdenum Alloy by Shtefan, V. V., Epifanova, A. S., Koval’ova, A. A., Bairachnyi, B. I.

“…We study the process of electrolytic deposition of a Co–Mo alloy with the use of an ammonium-trilonate electrolyte. The influence of the pH value of…”
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Heat Resistance of Zr–1Nb Alloy Claddings in Water Vapor after Ion-Plasma Nitriding by Zuyok, V. A., Kuprin, O. S., Klymenko, I. O., Tolmachova, H. M., Tretiakov, M. V., Rud, R. O., Kushtym, Ya.A., Dykyi, I. V., Shevchenko, I. V., Shtefan, V. V.

“…The influence of ion-plasma nitriding time of Zr–1Nb alloy fuel cladding tubes on their resistance to oxidation in water vapor at 600–1200°C was studied. The…”
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A phononic crystal coupled to a transmission line via an artificial atom by Bolgar, Aleksey N., Kirichenko, Daniil D., Shaikhaidarov, Rais. S., Sanduleanu, Shtefan V., Semenov, Alexander V., Dmitriev, Aleksey Yu, Astafiev, Oleg V.

“…The interaction of superconducting qubits with surface acoustic wave resonators in quantum regime has been achieved recently. It opens a new field of research…”
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Electrolytic coating of iron-chromium alloy of sulphate-chloride electrolyte in machine parts recovery process modelling by Lanuta, A. S., Shtefan, Yu. V., Fiodorov, V. К., Korneichuk, N. I.

“…Introduction. The technological process of restoring a part should provide more than 80% of the resource and no more than 50% of the cost of a new part. The…”
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Corrosion of Aluminum in Contact with Oxidized Titanium and Zirconium by Shtefan, V. V., Bairachnyi, B. I., Lisachuk, G. V., Smyrnova, O. Yu, Zuyok, V. A., Rud’, R. O., Voronina, O. V.

“…We study the corrosion of alloys based on titanium, aluminum, zirconium, and iron in solutions of sodium chloride. The corrosion rate of aluminum significantly…”
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Simulation of current output during chrome plating of parts for hardening and car parts restoration by Kotomchin, A. N., Shtefan, Yu. V., Zorin, V. A.

“…Introduction. Conducting an experiment when conducting research on electroplating coatings requires a lot of time and energy. To reduce the number of…”
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Regularities of the deposition of cobalt-tungsten alloys by pulsed currents by Shtefan, V V, Ved', M V, Sakhnenko, M D, Pomoshnyk, L V, Fomina, L P

“…We study the influence of the principal parameters of pulsed electrolysis (amplitude of the current density, frequency and on-off time ratio of the pulses, and…”
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Fatigue damage and failure of steam turbine rotors by torsional vibrations by Bovsunovskii, A. P., Chernousenko, O. Yu, Shtefan, E. V., Bashta, D. A.

“…The fatigue damage and failure of steam turbine rotors by torsional vibrations are investigated. Possible causes of the occurrence of torsional vibrations are…”
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Corrosion and electrochemical properties of binary cobalt and nickel alloys by Ved’, M. V., Nenastina, T. O., Shtefan, V. V., Bairachna, T. M., Sakhnenko, M. D.

“…The influence of pH of electrolyte on the tungsten content and current efficiency of a Co–W coating is determined. We determine the corrosion rates of Co–W and…”
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Information technologies for vibration strength analysis of the Rovenskaya nuclear power plant main steam line by Shtefan, E. V., Shamis, M. B., Litovchenko, I. N.

“…Sources of vibration in the main steam line have been determined during steady-state operation of the power-generating unit. Amplitude and frequency of the…”
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Законодавчі аспекти визначення критеріїв класифікації міських населених пунктів by Shtefan, V

“…Legislative inconsistency and a number of legislative issuesnot regulated by administrative-territorial structure of the state do a lot of problemsand…”
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