Structure and Phase Composition of WNb Alloy Formed by the Impact of Compression Plasma Flows
Ryskulov A. Shymanski V. Uglov V. Ivanov I. Astashynski V. Amanzhulov B. Kuzmitski A. Kurakhmedov A. Filipp A. Ungarbayev Y. Koloberdin M.
June 2023MDPI
Materials
2023#16Issue 12
The results of a tungsten–niobium alloy synthesis by the impact of pulsed compression plasma flows are presented. Tungsten plates with a 2 μm thin niobium coating were treated with dense compression plasma flows generated by a quasi-stationary plasma accelerator. The plasma flow with an absorbed energy density of 35–70 J/cm2 and pulse duration of 100 μs melted the niobium coating and a part of the tungsten substrate, which caused liquid-phase mixing and WNb alloy synthesis. Simulation of the temperature distribution in the top layer of the tungsten after the plasma treatment proved the formation of the melted state. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) were used to determine the structure and phase composition. The thickness of the WNb alloy was 10–20 μm and a W(Nb) bcc solid solution was found.
compression plasma flow , niobium , phase composition , plasma mixing , solid solution , structure , tungsten , WNb alloy , X-ray diffraction
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Institute of Nuclear Physics, Almaty, 050032, Kazakhstan
Department of Solid State Physics, Belarusian State University, Minsk, 220030, Belarus
Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Astana, 010008, Kazakhstan
A.V Luikov Heat and Mass Transfer Institute of National Academy of Science of Belarus, Minsk, 220072, Belarus
Department of Nuclear Physics, New Materials and Technologies, Physical-Technical Faculty, L.N. Gumilyov Eurasian National University, Astana, 010008, Kazakhstan
Department of General Physics, Belarusian State University, Minsk, 220030, Belarus
Institute of Nuclear Physics
Department of Solid State Physics
Engineering Profile Laboratory
A.V Luikov Heat and Mass Transfer Institute of National Academy of Science of Belarus
Department of Nuclear Physics
Department of General Physics
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