Effect of temperature on oxygen solubility in molten Pb - Bi eutectic alloy (44.5% Pb - 55.5% Bi)

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Resum

One of the coolants proposed for accelerator drive systems (ADS) is lead - bismuth eutectic alloy, LBE (44.5%Pb - 55.5%Bi). One of the disadvantages of using this alloy is that it is highly corrosive for structural steels. Then, it is important to maintain a passivation layer of Fe3O4 on the structural material. In order to maintain this passivation layer stable avoiding PbO formation, it is necessary to control and monitor oxygen content in LBE. ADS reactors will operate in a wide temperature range: from 300°C to 600°C. For that, the goal of this work is to determine the effect of temperature on oxygen solubility in molten LBE. The proposed method is based on the following electrochemical cell: O2 (reference mixture), Pt // YSZ // O2 (LBE) Results for oxygen solubility in LBE at 460, 500 and 540°C have been obtained.

Idioma originalAnglès
Títol de la publicacióPhysical and Analytical Electrochemistry (General) - 215th ECS Meeting
EditorElectrochemical Society Inc.
Pàgines131-138
Nombre de pàgines8
Edició32
ISBN (electrònic)9781566777742
ISBN (imprès)9781607681243
DOIs
Estat de la publicacióPublicada - 2009

Sèrie de publicacions

NomECS Transactions
Nombre32
Volum19
ISSN (imprès)1938-5862
ISSN (electrònic)1938-6737

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