High-temperature test of tin-lithium CPS under deuterium plasma irradiation conditions

Ponkratov Y.V. Samarkhanov K.K. Baklanov V.V. Bochkov V.S. Sokolov I.A. Miniyazov A.Z. Tulenbergenov T.R. Kenzhina I.E. Begentayev M.M. Tulubayev Y.Y. Bukina O.S. Orazgaliyev N.A. Saparbek E.
15 December 2023 Elsevier B.V.

Journal of Nuclear Materials
2023 #587

This paper is devoted to experiments on testing of the Sn-Li capillary porous system (CPS) under conditions of deuterium plasma irradiation, carried out at a plasma-beam installation (PBI). As a metal CPS matrix, molybdenum mesh was used. The paper presents a detailed description of the development of technology and procedure for the fabrication of the investigated sample, intended for plasma testing, as well as experiments on irradiation of Sn-Li CPS with deuterium plasma. As a result of the experiments performed, the dependences of the temperature of the investigated sample on the energy of the plasma contacting with the CPS, time dependence of the gas phase composition in the PBI chamber during irradiation of Sn-Li CPS with deuterium plasma, optical spectra depending on the temperature were obtained. Post-experimental material science studies with a sample of Sn-Li CPS were also performed and the results of microstructure, thermal and X-ray phase analysis were obtained. Analysis of the experimental data obtained showed that the energy of deuterium plasma precipitated on the Sn-Li alloy is re-emitted into the energy of optical radiation on the evaporating neutral atoms of lithium and tin. A complete evaporation of the alloy from CPS, during interacting with deuterium plasma, leads to partial destruction of the metal matrix of molybdenum.

Capillary porous system , Deuterium , Plasma , Plasma-beam installation , Sn-Li

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Institute of Atomic Energy Branch of the National Nuclear Center of the Republic of Kazakhstan, Kurchatov, 071100, Kazakhstan
Shakarim University, Semey, 071412, Kazakhstan
Satbayev University, Almaty, 050013, Kazakhstan
Tomsk Polytechnic University, Tomsk, 634050, Russian Federation

Institute of Atomic Energy Branch of the National Nuclear Center of the Republic of Kazakhstan
Shakarim University
Satbayev University
Tomsk Polytechnic University

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