University of Nevada, Las Vegas
Las Vegas (Nev.)
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Advanced nuclear processes such the transmutation of nuclear waste, fast reactors, and spallation neutron sources require advanced materials systems to contain them. In particular, a successful program in nuclear waste processing that includes transmutation in accelerator-driven systems and fast reactors requires structural materials that are stable in the presence of non-moderating coolants. A prime candidate for such a coolant is Lead Bismuth Eutectic (LBE).
Materials in these systems must be able to tolerate high neutron fluxes, high temperatures, and chemical corrosion. For LBE systems, there is an additional challenge because the corrosive behaviors of materials in lead bismuth are not well understood. Most of the available information on LBE systems has come from the Russians, who have over 80 reactor-years experience with LBE coolant in their Alpha-class submarine reactors. The Russians found that the presence of small amounts of oxygen in the LBE significantly reduced corrosion. However, a fundamental understanding and verification of oxygen’s role in the corrosion of steels is incomplete.
Corrosion and anti-corrosives; Eutectic alloys; Lead-bismuth alloys; Metals—Cold working; Nuclear reactors — Materials — Testing; Steel — Corrosion
Corrosion and anti-corrosives--Testing; Eutectic alloys; Nuclear reactors--Materials--Testing
Materials Science and Engineering | Metallurgy | Nuclear Engineering | Oil, Gas, and Energy
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Johnson, A. L.,
Perry, D. L.
Fundamental and Applied Experimental Investigations of Corrosion of Steel by LBE under Controlled Conditions: Kinetics, Chemistry Morphology, and Surface Preparation.
Available at: https://digitalscholarship.unlv.edu/hrc_trp_sciences_materials/124