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Corrosion of Nickel Exposed to LiF-NaF Molten Salt
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SYSNO ASEP 0369538 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Corrosion of Nickel Exposed to LiF-NaF Molten Salt Author(s) Král, Lubomír (UFM-A) RID, ORCID
Čermák, Jiří (UFM-A) RID, ORCID
Matal, O. (CZ)
Šimo, T. (CZ)
Nesvadba, L. (CZ)Number of authors 5 Source Title METAL 2011 Conference Proceedings. - Ostrava : TANGER, spol. s r.o., 2011 - ISBN 978-80-87294-22-2 Pages paper no. 882 Number of pages 6 s. Publication form CD-ROM - CD-ROM Action Anniversary International Conference on Metallurgy and Materials METAL 2011/20th./ Event date 18.05.2011-20.05.2011 VEvent location Brno Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords corrosion ; molten salts ; nickel ; LiF–NaF Subject RIV JG - Metallurgy R&D Projects 2A-1TP1/067 GA MPO - Ministry of Industry and Trade (MPO) CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000302746700181 Annotation This work is devoted to study of changes of structure and chemical composition in corrosion areas of the chosen candidate alloy, Nickel 201, for components of a LS-VHTR. The material was annealed at 1013K/10h/vacuum and at 1000°C/24h/Ar before corrosion tests. The annealed material was studied after its exposure to the molten mixture of 60 mol. % LiF + 40 mol. % NaF at the temperature of 1013K. The exposition was carried out in a quasidynamic regime, which simulates real circulation of the coolant (a mixture of molten salts) in the piping. The structure of the alloy was studied by SEM. Severe corrosion damage was observed in grain boundaries. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2012
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