Перегляд за автором "Andreev, A.A."

Результати 1-16 з 16

Erosion of vacuum-arc TiN coatings in plasma of stationary magnetron-type discharges

Glazunov, G.P.; Andreev, A.A.; Bondarenko, M.N.; Konotopskiy, A.L.; Stolbovoy, V.A. (Вопросы атомной науки и техники, 2011)

Studies were made into erosion of titanium nitride coatings deposited onto stainless steel substrates in two different ways of vacuum-arc technology: with and without feeding high-voltage negative pulses on the substrate. ...
Hydrogen permeation through VPD and CVD tungsten films on palladium

Glazunov, G.P.; Andreev, A.A.; Baron, D.I.; Causey, R.; Hassanein, A.; Konotopskiy, A.L.; Patokin, A.P. (Вопросы атомной науки и техники, 2007)

Isobars and isotherms were measured for hydrogen permeation through porous tungsten films on palladium, activation energy values were calculated for various Pd-W systems. The analysis of the obtained data and its comparison ...
Hydrogen saturation influence on erosion behavior of thin W-films under steady state nitrogen plasma impact

Glazunov, G.P.; Andreev, A.A.; Baron, D.I.; Volkov, E.D.; Hassanein, A.; Kitaevskiy, K.M.; Konotopskiy, A.L.; Lapshin, V.I.; Neklyudov, I.M.; Patokin, A.P. (Вопросы атомной науки и техники, 2005)

The erosion behavior of W-Pd bimetallic system was examined for both hydrogen saturated and non-saturated states under impact of steady state nitrogen plasma of a mirror Penning discharge. Possible physical mechanism is ...
Influence of porosity on erosion behavior and hydrogen permeability of tungsten films

Glazunov, G.P.; Andreev, A.A.; Baron, D.I.; Bondarenko, M.N.; Causey, R.A.; Hassanein, A.M.; Konotopskiy, A.L.; Neklyudov, I.M.; Tarasov, I.K.; Volkov, E.D. (Физическая инженерия поверхности, 2006)

The erosion characteristics of dense and porous W-films deposited on Pd substrates were measured under impact of mirror Penning discharge nitrogen plasma. It is shown that the erosion rate of high porous tungsten films ...
Influence of pressure of working atmosphere on the formation of phase-structural state and physical and mechanical properties of vacuum-arc multilayer coatings ZrN/CrN

Sobol, O.V.; Andreev, A.A.; Gorban, V.F.; Stolbovoy, V.A.; Meylekhov, A.A.; Postelnyk, A.A.; Dolomanov, A.V. (Вопросы атомной науки и техники, 2016)

For multilayer coating system ZrN/CrN determined the effect of the pressure of the working atmosphere of nitrogen (PN), DC (-Us) and pulse (-Ui) negative bias potential during the deposition and the thickness of the layers ...
Kinetics of hydrogen permeation through W-Pd bimetallic systems

Glazunov, G.P.; Andreev, A.A.; Baron, D.I.; Volkov, E.D.; Causey, R.A.; Hassanein, A.; Kitaevskiy, K.M.; Konotopskiy, A.L.; Lapshin, V.I.; Neklyudov, I.M.; Patokin, A.P. (Вопросы атомной науки и техники, 2005)

The experimental investigations had been carried out of the kinetics of hydrogen permeation through W-Pd bimetallic systems. The possible mechanisms had been suggested and analyzed to explain the observed anomalies in the ...
Pd-W bimetallic systems: erosion behavior and hydrogen permeability

Glazunov, G.P.; Andreev, A.A.; Baron, D.I.; Bondarenko, M.N.; Causey, R.A.; Hassanein, A.M.; Konotopskiy, A.L.; Patokin, A.P.; Neklyudov, I.M.; Rybal’chenko, N.D.; Tarasov, I.K.; Volkov, E.D. (Вопросы атомной науки и техники, 2006)

Erosion and hydrogen behavior are examined in the dense and high porous W-films on Pd. The obtained results are discussed from the viewpoint of plasma facing diffusion system creation for hydrogen isotope recycling control ...
Regularities in the effect of model ion irradiation on the structure and properties of vacuum-arc nitride coatings

Andreev, A.A.; Voyevodin, V.N.; Sobol, O.V.; Gorban’, V.F.; Kartmazov, G.N.; Stolbovoy, V.A.; Levenets, V.V.; Lysan, D.V. (Вопросы атомной науки и техники, 2013)

The effect of irradiation with ions Ar+ (energy of 1 and 1.8 MeV) and He+ (energy of 0.6 MeV) on the structure, microhardness and elastic modulus of the vacuum-arc nitride coatings. It is shown that the level of exposure ...
Structural engineering of NbN/Cu multilayer coatings by changing the thickness of the layers and the magnitude of the bias potential during deposition

Sobol’, O.V.; Andreev, A.A.; Stolbovoy, V.A.; Kolesnikov, D.A.; Kovaleva, M.G.; Meylekhov, A.A.; Postelnyk, Н.О.; Dolomanov, А.V.; Sagaidashnikov, Yu.Ye.; Kraievska, Zh.V. (Вопросы атомной науки и техники, 2019)

To determine the patterns of structural engineering of vacuum-arc coatings based on niobium nitride in the NbN/Cu multilayer composition, the effect of layer thickness and bias potential on the structural-phase state and ...
Tests of tungsten limiter with controlled hydrogen puffing in the torsatron Uragan-3M

Glazunov, G.P.; Andreev, A.A.; Baron, D.I.; Bondarenko, M.N.; Volkov, E.D. (Вопросы атомной науки и техники, 2009)

Working model of plasma facing W-limiter with controlled hydrogen recycling has been created. The limiter was installed in the Uragan-3M torsatron and was tested under the edge plasma conditions.
The effect of nitrogen pressure during vacuum-arc TiN coatings deposition on the erosoin resistance in plasma of magnetron type discharges

Glazunov, G.P.; Andreev, A.A.; Sobol, O.V.; Bondarenko, M.N.; Konotopskiy, A.L.; Stolbovoy, V.A. (Вопросы атомной науки и техники, 2014)

The erosion process was investigated of TiN coatings which were made with the vacuum-arc sputtering of Ti at the different nitrogen pressures (10⁻⁴…5•10⁻³ Torr). The erosion rates were measured by the weighting on analytical ...
The effect of the substrate potential during deposition on the structure and properties of the binanolayer multiperiod composites (TiAlSi)N/MeN (Me – Zr, Nb, Cr, Mo)

Sobol’, O.V.; Andreev, A.A.; Mygushchenko, R.P.; Stolbovoy, V.A.; Postelnуk, A.A.; Meylekhov, A.A.; Dolomanov, A.V.; Rebrova, Ye.M. (Вопросы атомной науки и техники, 2018)

It is proposed to use the multiperiod binanolayer composites (TiAlSi)N/MeN (Me-Zr, Nb, Cr, Mo) for controlling the structure, stress state and mechanical properties of a multi-element nitride (TiAlSi)N. The deposition of ...
The effects of nitrogen atmosphere pressure, constant and high-voltage pulse potentials of the substrate on the structure and properties of vacuum-arc ZrN coatings

Sobol’, O.V.; Andreev, A.A.; Stolbovoy, V.A.; Gorban’, V.F.; Pinchuk, N.V.; Meylekhov, A.A. (Вопросы атомной науки и техники, 2015)

ZrN-phase coatings with a cubic lattice (NaCl structure type) were produced by the method of vacuum-arc evaporation of a Zr cathode in nitrogen atmosphere at pressures PN between 0.02 and 0.64 Pa. The pressure increase at ...
The use of negative bias potential for structural engineering of vacuum-arc nitride coatings based on high-entropy alloys

Sobol', O.V.; Andreev, A.A.; Gorban', V.F.; Postelnyk, Н.О.; Stolbovoy, V.A.; Zvyagolsky, A.V.; Dolomanov, A.V.; Kraievska, Zh.V. (Вопросы атомной науки и техники, 2019)

The effect of negative bias potential (Ub = -40, -110, and -200 V) during the deposition of multi-element coatings on their composition, structure and mechanical properties was studied. It was established that during the ...
The use of plasma-based deposition with ion implantation technology to produce superhard molybdenum-based coatings in a mixed (C₂H₂+N₂) atmosphere

Sobol’, O.V.; Andreev, A.A.; Mygushchenko, R.P.; Beresnev, V.M.; Meylekhov, A.A.; Postelnyk, A.A.; Kravchenko, S.A.; Tabaza, Taha A.; Safwan M. Al-Qawabah; Ubeidulla F. Al-Qawabeha; Stolbovoy, V.A.; Serdyuk, I.V.; Kolesnikov, D.A.; Kovaleva, M.G. (Вопросы атомной науки и техники, 2018)

The influence of the pressure of a mixed gaseous atmosphere (80%C₂H₂+20%N₂) and the supply of a high-voltage negative potential in a pulsed form on the elemental and phase composition, structure and physico-mechanical ...
Сhanges in the structural state and properties of vacuum-arc coatings based on high-entropy alloy TiZrHfNbTa under the influence of nitrogen pressure and bias potential at deposition

Sobol’, O.V.; Andreev, A.A.; Mygushchenko, R.P.; Gorban’, V.F.; Stolbovoy, V.A.; Meylekhov, A.A.; Subbotina, V.V.; Kovteba, D.V.; Zvyagolsky, A.V.; Vuets, A.E. (Вопросы атомной науки и техники, 2018)

Complex studies have been carried out on the effect of nitrogen pressure and the negative bias potential on the structure and properties of vacuum-arc nitride coatings based on the high-entropy alloy TiZrHfNbTa. It is ...

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