Mathematics & Physics 2017, 10(1), 75–82 УДК 539.2:533.9(07) Nanodispersed Mg-based Powders Received in a Hydrogen-argon Plasma Flow and Estimation of their Application Prospects as Hydrogen Storage Materials Evgenia I. Melnikova Institute of Engineering Physics and Radio Electronics Siberian Federal University Svobodny, 79, Krasnoyarsk, 660041 Russia Andrey L.Kolonenko Gari A. Glushenko Natalya G.Vnukova Grigory N.Churilov∗ Kirensky Institute of Physics SB RAS Akademgorodok, 50/38, Krasnoyarsk, 660036 Russia Anatoly M.Zhizhaev Institute of Chemistry and Chemical Technology Akademgorodok 50/24, Krasnoyarsk, 660036 Russia Received 12.03.2016, received in revised form 02.09.2016, accepted 20.11.2016 Nanodispersed powders, consisting of Mg, Mg and Ni, Mg and Pd, were synthesized in a water-cooled chamber in a hydrogen-helium mixture at atmospheric pressure. <...> Plasma generation was carried out in HF arc discharge in an argon flow with one hollow electrode and the other — crucible with molten metal. <...> The resulting powders were investigated by scanning electron microscopy, X-ray fluorescence analysis and X-ray analysis. <...> When adding nickel during the synthesis, magnesium particles with nickel coating were obtained. <...> Synthesis with palladium resulted in producing magnesium particles with dispersed fine palladium inclusions. <...> However, since the saturated steam pressure of palladium is 2–3 orders lower than that of nickel, then obtaining particles coated with palladium is only possible at higher palladium melt temperatures that we could achieve in this laboratory setup variant. <...> As a possible application of the synthesized powders the possibility of their hydrogen storage usage was experimentally evaluated. <...> Introduction It is widely known, that the composition and properties of the nanoscaled powders depend strongly on their synthesis method. <...> Nanodispersed Mg-based Powders Received in a Hydrogen-argon Plasma Flow. . . divided into two main groups. <...> In the first, nanoparticles are formed by dispersing the bulk materials "top-down", in the second — by coagulation from vapor or plasma state — "bottomup". <...> They are characterized by the possibility of producing the end-product in a great number, but the time costs for producing are significantly high. "Bottom-up" synthesis can be implemented in various vapor deposition ways, which are <...>