Production of different eutectic Pb–Li alloys in Spain |
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| Affiliation: | 1. Ciemat, Madrid, Spain;2. Department of Material Science and Metallurgical Engineering, Faculty of Chemistry, Complutense University of Madrid, Madrid, Spain;1. Open Joint-Stock Company “N.A. Dollezhall Research and Development Institute of Power Engineering”, (OJSC “NIKIET”), 107140, Malaya Krasnoselskaya 2/8, Moscow, Russian Federation;2. D.V. Efremov Scientific Research Institute of Electrophysical Apparatus, 196641 St. Petersburg, Russian Federation;1. Technical University of Catalonia (UPC), Jordi Girona 1-3, 08034 Barcelona, Spain;2. Technology for Fusion (T4F) Research Group, GREENER, Department of Heat Engines, Spain;3. Technology for Fusion (T4F) Research Group, GREENER, Department of Physics and Nuclear Engineering, Spain;4. EURATOM-CIEMAT Association, 28040 Madrid, Spain;1. Scientific Technical Center SINTEZ, D.V. Efremov Institute, 196641 St. Petersburg, Russia;2. I.I. Polzunov Scientific & Development Association on Research and Design of Power Equipment, 191167 St. Petersburg, Russia;1. Faculty of Engineering and Resource Science, Akita University, 1-1, Tegatagakuen-cho, Akita 010-8502, Japan;2. Fusion Research and Development Directorate, Japan Atomic Energy Agency, 2-166, Omotedate, Obuchi, Rokkasho, Kamikita, Aomori 039-3212, Japan |
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| Abstract: | The development of the ITER “The International Thermonuclear Experimental Reactor”, whose objective is to produce energy and to test the tritium self-sufficiency for future fusion reactors, has promote the study of Pb–Li eutectic alloy. This alloy has been selected for the manufacture of HCLL (Helium Cooled Lithium Lead) – TBM (Test Blanket Modules). However, during the manufacturing process of the Pb–Li alloys, a loss of Li occurs and the formation of eutectic structures is inhibited. The present paper analyses the melting from Pb and pure Li, to obtain Pb–Li with 17 at.% in Li (eutectic alloy). For this purpose, different parameters to control the process were evaluated, such as temperature, period of melting and at.% in Li. Cast alloys were characterized analytically and microstructurally, which implies the determination of the compositional distribution of Li in the ingot and the phases and the microsegregation involved. The work presents the optimal conditions for the melting process as selected output for the production of Pb–Li eutectic alloys. |
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| Keywords: | KCl–LiCl TBM Melting temperatures Eutectic Pb–Li Furnace |
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