Molten fluorides for nuclear applications
By Sylvie. Delpecha, Céline Cabetb, Cyrine Slima, Gérard S. Picarda. 2010
203 citations recorded by the source corpus.
The importance of pyrochemistry is being increasingly acknowledged and becomes unavoidable in the nuclear field. Molten salts may be used for fuel processing and spent fuel recycling, for heat transfer, as a homogeneous fuel and as a breeder material in fusion systems. Fluorides that are stable at high temperature and under high neutron flux are especially promising. Analysis of several field cases reveals that corrosion in molten fluorides is essentially due to the oxidation of metals by uranium fluoride and/or oxidizing impurities. The thermodynamics of this process are discussed with an emphasis on understanding the mass transfer in the systems, selecting appropriate metallic materials and designing effective purification methods.
Subfields: Aerospace Engineering, Fluid Flow and Transfer Processes, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/3bc3b05c3fb5519832ade0976c47ef660933f4c6
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In Aerospace Engineering
In Fluid Flow and Transfer Processes
In Materials Chemistry
Citations in the corpus
- Generation IV nuclear reactors: Current status and future prospects (2013, background): “Other criticalities concern primary pumps, which operates in very corrosive conditions, and the heat exchangers, which could be blocked by noble metals (Delpech et al., 2010; Benes et al., 2009).”
- ARC: A compact, high-field, fusion nuclear science facility and demonstration power plant with demountable magnets (2014, background): “The fluid flow velocity in the vacuum vessel coolant channel was limited to be 2 m/s because of concerns about flowassisted corrosion, although nickel-based alloys have excellent corrosion-resistant properties for molten salts [91] at these temperatures.”