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Abstract Corrosion of structural alloys in fluoride salt cooled high temperature reactors (FHRs) is affected by the presence of carbon. The stability of the carbides of alloying elements augments their… Click to show full abstract
Abstract Corrosion of structural alloys in fluoride salt cooled high temperature reactors (FHRs) is affected by the presence of carbon. The stability of the carbides of alloying elements augments their corrosion, however the same property can be useful if these stable carbides are used to protect materials. Exposure tests of pure elements Cr, Fe, Ni, W, and Mo in graphite crucibles at 700 °C were conducted in molten FLiNaK salt for 100 h. Carbide particles were detected on the surfaces of Cr, Mo, and W samples after exposure. The ranking of these elements, from least to greatest corrosion resistance by mass loss per unit area was Cr
Journal Title: Annals of Nuclear Energy
Year Published: 2018
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