Перегляд за автором "Makhlai, V.A."

Результати 1-13 з 13

Behavior of the Ti-Zr-Ni thin film containing quasicrystalline and approximant phases under radiative-thermal action in transition modes

Malykhin, S.V.; Makhlai, V.A.; Surovitskiy, S.V.; Garkusha, I.E.; Herashchenko, S.S.; Kondratenko, V.V.; Kopylets, I.A.; Zubarev, E.N.; Borisova, S.S.; Fedchenko, A.V. (Вопросы атомной науки и техники, 2020)

X-ray diffraction and SEM microscopy were used to study the structural and phase changes in a thin film obtained by magnetron sputtering of a Ti52Zr30Ni18 target (at.%) on a steel substrate under the radiation-thermal ...
Characterization of macroscopic erosion of castellated and flat tungsten surfaces under ITER-like transient plasma loads

Myroshnyk, M.O.; Herashchenko, S.S.; Makhlai, V.A.; Garkusha, I.E.; Aksenov, N.N.; Byrka, O.V.; Chebotarev, V.V.; Kulik, N.V.; Lebedev, S.I.; Shevchuk, P.B.; Staltsov, V.V. (Вопросы атомной науки и техники, 2019)

The damages of tungsten targets with different geometries under repetitive transient hydrogen plasma loads have been studied with a quasi-stationary plasma accelerator QSPA Kh-50. The results of the experiments on target ...
Control of ionization processes in magnetron sputtering system by changing magnetic field configuration

Chunadra, А.G.; Sereda, К.N.; Tarasov, I.K.; Makhlai, V.A. (Вопросы атомной науки и техники, 2021)

This work is devoted to measuring the function of the distribution of charged particles of gas-discharge plasma in a magnetron sputtering system under conditions of non-potential “earth”. Measurements are carried out with ...
Erosion properties of tungsten and WTa5 alloy exposed to repetitive QSPA plasma loads below melting threshold

Makhlai, V.A.; Herashchenko, S.S.; Aksenov, N.N.; Byrka, O.V.; Garkusha, I.E.; Malykhin, S.V.; Surovitskiy, S.V.; Kulik, N.V.; Staltsov, V.V.; Lebedev, S.I.; Shevchuk, P.B.; Wirtz, M.; Sadowski, M.J. (Вопросы атомной науки и техники, 2018)

The damage of deformed double forged pure tungsten (W) and tungsten alloyed with 5 wt.% tantalum (WTa5) have been studied in experimental simulations of ITER-like transient events (surface heat load of 0.45 MJ/m² and ...
Experimental study of current-sheet-like structure in pinching plasma flows with electric and magnetic probes

Volkova, Yu.Ye.; Solyakov, D.G.; Marchenko, A.K.; Ladygina, M.S.; Petrov, Yu.V.; Chebotarev, V.V.; Merenkova, T.M.; Makhlai, V.A.; Yeliseyev, D.V.; Staltsov, V.V. (Problems of Atomic Science and Technology, 2022)

The formation of the current-sheet-like structure under the influence of the external magnetic field in pinching plasma flows generated by the magnetoplasma compressor has been studied. A set of magnetic and electric probes ...
Influence of longitudinal magnetic field in the MPC channel on the density of generated plasma stream

Marchenko, A.K.; Byrka, O.V.; Makhlai, V.A.; Herashenko, S.S.; Solyakov, D.G.; Volkova, Y.E.; Yeliseyev, D.V.; Novakowska-Langier, K. (Вопросы атомной науки и техники, 2021)

The paper is devoted to experimental measurements and analysis of parameters of the plasma streams generated by magnetoplasma compressor (MPC) upgraded with an external axial magnetic field. Influence of the external axial ...
Influence of magnetic field configuration and strength on plasma parameters and efficiency of coatings deposition in magnetron sputtering system

Chunadra, А.G.; Sereda, К.N.; Tarasov, I.K.; Makhlai, V.A.; Kozhukhovskyi, B.M. (Problems of Atomic Science and Technology, 2022)

Paper presents results of evaluation of the influence of the parameters of the additional anode electromagnetic trap for discharge electrons in a magnetron sputtering system. The efficiency of ionization processes is also ...
Measurement of the local electron temperature in self-compressed plasma stream

Solyakov, D.G.; Volkova, Yu.Ye.; Garkusha, I.E.; Marchenko, A.K.; Ladygina, M.S.; Staltsov, V.V.; Petrov, Yu.V.; Chebotarev, V.V.; Merenkova, T.M.; Makhlai, V.A.; Yeliseyev, D.V. (Вопросы атомной науки и техники, 2021)

The local electron temperature measurements with the double electric probe in the compression zone are presented. Electric probes make it possible to measure the electron temperature with a reasonably good spatial resolution. ...
Modification and alloying effects in Eurofer steel under powerful pulsed plasma impacts

Byrka, O.V.; Herashchenko, S.S.; Makhlai, V.A.; Aksenov, N.N.; Garkusha, I.E.; Marchenko, H.K.; Chunadra, А.G.; Sereda, К.N.; Malykhin, S.V.; Surovitskiy, S.V. (Вопросы атомной науки и техники, 2021)

Experimental studies of surface modification of Eurofer samples have been performed with a quasi-stationary plasma accelerator QSPA Kh-50. The heat load on the surface was near the tungsten melting threshold (i.e. about ...
Parameters of hydrogen plasma streams in QSPA-M and their dependence on external magnetic field

Ladygina, M.S.; Petrov, Yu.V.; Yeliseev, D.V.; Makhlai, V.A.; Kulik, N.V.; Staltsov, V.V. (Вопросы атомной науки и техники, 2021)

Present experimental studies are aimed at analysis of hydrogen plasma stream parameters in various working regimes of QSPA-M operation. Temporal distributions of plasma electron density are reconstructed with optical ...
Stability of thin quasi-crystalline Ti-Zr-Ni films and related crystalline phases under low-energy transient plasma irradiation

Malykhin, S.V.; Kondratenko, V.V.; Makhlai, V.A.; Garkusha, I.E.; Kopylets, I.A.; Borisov, Yu.S.; Herashchenko, S.S.; Surovitskiy, S.V.; Borisova, S.S. (Problems of Atomic Science and Technology, 2022)

The properties of Ti41Zr38.3Ni20.7 thin films under radiation-thermal action of hydrogen plasma with a surface heat load of 0.2 MJ/m² was studied at the QSPA Kh-50 quasi-stationary plasma accelerator (NSC KIPT). The phase ...
Structural-phase changes in thin films and surface layers of Ti41.5Zr41.5Ni17 alloy, stimulated by radiation-thermal impact of hydrogen plasma

Malykhin, S.V.; Makhlai, V.A.; Surovitskiy, S.V.; Borisova, S.S.; Herashchenko, S.S.; Kondratenko, V.V.; Kopylets, I.A.; Baturin, A.A.; Terentyev, D. (Вопросы атомной науки и техники, 2019)

X-ray diffraction and SEM microscopy were used to study structural and phase changes in the surface layers of a Ti41.5Zr41.5Ni17 alloy bulk sample (target) and a thin film (deposited by magnetron sputtering of the target) ...
The effect of a small helium addition on the plasma-surface interaction in QSPA

Makhlai, V.A.; Herashchenko, S.S.; Petrov, Yu.V.; Ladygina, M.S.; Aksenov, N.N.; Chebotarev, V.V.; Kulik, N.V.; Staltsov, V.V.; Yelisyeyev, D.V.; Volkova, Y.E.; Merenkova, T.M. (Problems of Atomic Science and Technology, 2023)

The synergistic effects of tungsten exposure to combined hydrogen and helium particle fluxes as well as transient thermal loads need to be extensively studied for implementation of fusion reactor project. The mixture of ...

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Перегляд за автором "Makhlai, V.A."

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