Search Results - "Shapoval, A.N."

Surface roughening and grain orientation dependence of the erosion of polycrystalline stainless steel by hydrogen irradiation by Balden, M, Bardamid, A.F, Belyaeva, A.I, Slatin, K.A, Davis, J.W, Haasz, A.A, Poon, M, Konovalov, V.G, Ryzhkov, I.V, Shapoval, A.N, Voitsenya, V.S

“…Surface roughening of polycrystalline stainless steel mirrors due to hydrogen bombardment was studied as a function of ion fluence and energy (1–4.3 × 10 24…”
Get full text

ICRF plasma production in gas mixtures in the Uragan-2M stellarator by Kovtun, Yu.V., Moiseenko, V.E., Lozin, A.V., Kozulya, M.M., Pavlichenko, R.O., Zamanov, N.V., Shapoval, A.N., Bondarenko, V.N., Baron, D.I., Maznichenko, S.M., Korovin, V.B., Kramskoy, E.D., Siusko, Y.V., Romanov, V.S., Martseniuk, Yu.P., Krasiuk, A.Yu, Listopad, V.M., Garkusha, I.E., Alonso, A., Dinklage, A., Hartmann, D., Kazakov, Ye, Laqua, H., Ongena, J., Stange, T., Wauters, T.

“…This paper summarizes previous results and presents new studies on the ICRF plasma creation both in pure gases and gas mixtures. In all the experiments, the…”
Get full text

Impact of deuterium plasma ions on mirror samples fabricated from Zr48Cu36Al8Ag8 and Zr57Cu15.4Al10Ni12.6Nb5 amorphous alloys by Voitsenya, V.S., Malykhin, D.G., Konovalov, V.G., Louzguine-Luzgin, D.V., Bobkov, V.V., Ryzhkov, I.V., Shapoval, A.N., Shtan’, A.F., Solodovchenko, S.I., Kovtun, K.V., Vasil'ev, A.A.

“…•D plasma ions impact on BMG leads to D absorption and modification of some properties.•At D ion energy< 120 eV, the amount of D absorbed increases linearly…”
Get full text

Characteristics of VHF Discharge N 2 Plasma in Uragan-2M Stellarator by Kovtun, Yu.V., Moiseenko, V.E., Lozin, A.V., Shapoval, A.N., Grigor'eva, L.I., Korovin, V.B., Kramskoy, E.D., Kozuly, M.M., Glazunov, G.P., Bondarenko, M.N., Baron, D.I., Bizyukov, A.A.

Get full text

On the choice of materials for the first mirrors of plasma diagnostics in a fusion reactor by Voitsenya, V.S., Bardamid, A.F., Gritsyna, V.T., Konovalov, V.G., Motojima, O., Orlinskij, D.V., Palladino, R., Peterson, B.J., Shapoval, A.N., Shtan, A.F., Solodovchenko, S.I., Yakimov, K.I., Young, K.

“…The reflectivity coefficient, R, of mirrors fabricated from different metals (Al, Cu, Mo, Ta, W) in the wavelength range 0.25–0.65 μm was investigated under…”
Get full text

Changes to the reflectance of Be mirrors due to deuterium plasmas contaminated with oxygen by Bardamid, A.F., Bondarenko, V.N., Davis, J.W., Konovalov, V.G., Litvin, O., Ryzhkov, I.V., Shapoval, A.N., Shtan’, A.F., Solodovchenko, S.I., Voitsenya, V.S.

“…The reflectance of Be mirrors due to impact by ions from a deuterium plasma has been studied under several bombardment conditions. Analysis of the resulting…”
Get full text

Observation of unique blister-like surface features on amorphous metallic alloys following bombardment with deuterium ions by Bardamid, A.F., Voitsenya, V.S., Lytvyn, O.S., Lytvyn, P.M., Konovalov, V.G., Shapoval, A.N., Solodovchenko, S.I., Yakimov, K.I.

“…When investigating the impact of deuterium plasma ions (with energy 300 eV) on mirror specimen fabricated of bulk amorphous alloy…”
Get full text

Spectral characteristics of a dense gas-metal reflection discharge plasma by Kovtun, Yu. V., Larin, Yu. V., Skibenko, A. I., Skibenko, E. I., Shapoval, A. N., Yuferov, V. B.

“…Elemental composition of the plasma, which mostly includes working substances introduced into the discharge through puffing of hydrogen and sputtering of…”
Get full text

Modification of optical properties of Be mirrors under bombardment by deuterium ions by Voitsenya, V.S, Bardamid, A.F, Bondarenko, V.N, Konovalov, V.G, Orlinskij, D.V, Ryzhkov, I.V, Shapoval, A.N, Shtan', A.F, Solodovchenko, S.I, Vukolov, K.Yu

“…Effects of D ion bombardment on Be mirror reflectance, R( λ), in λ=220–650 nm were studied as modelling the impact of charge exchange atoms in a fusion…”
Get full text

Ion energy distribution effects on degradation of optical properties of ion-bombarded copper mirrors by Bardamid, A.F, Gritsyna, V.T, Konovalov, V.G, Orlinskii, D.V, Shapoval, A.N, Shtan, A.F, Solodovchenko, S.I, Voitsenya, V.S, Yakimov, K.I

“…The cathodic sputtering of copper mirrors in a hydrogen plasma was realized by means of alternating negative voltage. The time behavior of voltage was chosen…”
Get full text

Some peculiarities in the behavior of Be surfaces under bombardment by ions from a deuterium plasma by Bardamid, A.F., Belyayeva, A.I., Bondarenko, V.N., Galuza, A.A., Gann, V.V., Jacobson, L., Konovalov, V.G., Orlinskij, D.V., Papirov, I.I., Ryzhkov, I.V., Shapoval, A.N., Shtan’, A.F., Solodovchenko, S.I., Vasil’ev, A.A., Voitsenya, V.S.

“…In experiments with Be mirrors bombarded by keV ions from a deuterium plasma a sharp drop of reflectance in the wavelength 220–650 nm was observed after quite…”
Get full text

On the problem of material for the in-vessel mirrors of plasma diagnostics in a fusion reactor by Konovalov, V.G, Bardamid, A.F, Bondarenko, V.N, Gann, V.V, Shapoval, A.N, Shtan', A.F, Solodovchenko, S.I, Voitsenya, V.S, Zubarev, E.N

“…In the paper the problem on the choice of materials for the in-vessel mirrors for plasma diagnostics in the reactor-grade fusion device is discussed. The…”
Get full text

On the influence of fusion reactor conditions on optical properties of metallic plasma-viewing mirrors by Voitsenya, V.S, Gritsyna, V.I, Gritsyna, V.T, Konovalov, V.G, Orlinskij, D.V, Ruzhitskij, V.V, Shapoval, A.N

“…This paper presents the results of imitation experiments concerning the effects of fusion reactor conditions on the properties of mirrors Made of stainless…”
Get full text

Imitation of effects of a fusion reactor environment on optical properties of metallic mirrors by Voitsenya, V.S., Bardamid, A.F., Borisenko, Yu.N., Grigorenko, B.V., Gritsyna, V.I., Gritsyna, V.T., Konovalov, V.G., Orlinskij, D.V., Poperenko, L.V., Ruzhitskij, V.V., Rybalko, V.F., Shapoval, A.N., Vinnichenko, N.V., Yakimov, K.I.

“…Results of imitation experiments on effects of charge exchange atoms bombardment on optical properties of metallic mirrors (in the spectrum range of 200–800…”
Get full text