Progress on the Development of Measurement and Control of Dissolved Oxygen in Lead-Bismuth Alloy for the Materials Corrosion Protection
QIN Bo1,2, LU Shenghui1, LIU Sihan1, ZHANG Jie1, LONG Bin1,2,*
1 Department of Reactor Engineering and Technology, China Institute of Atomic Energy, Beijing 102413, China 2 Innovation Center of Nuclear Materials, China Atomic Energy Authority, Beijing 102413, China
Abstract: Because of the excellent nuclear property, high thermal conductivity, high boiling point and chemical inertness of lead-bismuth alloy, the lead-bismuth fast breeder reactor, which use lead-bismuth alloy as the coolant, is one of the promising development prospects of Generation Ⅳ six type of reactors. Lead-bismuth eutectic (LBE) coolant is corrosive to reactor structural materials, which is an important factor limiting the development of LBE cooled reactor. Oxygen dissolved into LBE controlled in a certain range is one of the effective approaches to carry out corrosion protection of structural materials in LBE environment, so it is required that the oxygen dissolved in lead-bismuth system must be controllable and measurable to ensure the safe operation of the reactor. In recent years, with the development of LBE cooled reactor, the key common technologies on material corrosion protection continue to break through. This paper summarizes the research progress of dissolved oxygen measurement and control technology for reactor structural materials corrosion protection, introduces the research status of oxygen measurement and oxygen control at home and abroad, and focuses on the comparison and analysis of the application prospects of different oxygen control modes for LBE cooled fast reactor. Finally, the development and application of oxygen measurement and control technology for lead-bismuth fast reactor are prospected.
秦博, 鲁盛会, 刘思涵, 张洁, 龙斌. 面向材料腐蚀防护的铅铋合金氧测氧控研究进展[J]. 材料导报, 2025, 39(4): 24020123-12.
QIN Bo, LU Shenghui, LIU Sihan, ZHANG Jie, LONG Bin. Progress on the Development of Measurement and Control of Dissolved Oxygen in Lead-Bismuth Alloy for the Materials Corrosion Protection. Materials Reports, 2025, 39(4): 24020123-12.
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2025, Vol. 39 
