Adsorption of lithium onto zirconium alloys. The role of acid-base interactions
作者： C. Vittoz , P. Bossis , F. Lefebvre , J.C. Joud
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摘要: The surface properties of oxides two kinds zirconium alloy (namely Zircaloy-4 and ZrNb, which are commonly used as the cladding for nuclear fuel rods) investigated. XPS analyses were carried out on both samples after a standard thermal treatment in pressurized autoclave. An oxide essentially composed ZrO2 characterizes Zircaloy-4, with some tin detected layer, whereas ZrNb presents an layer niobium oxides. Angle-resolved analysis shows to be enriched (presumably Nb2O5). Wettability experiments then performed alloys, had been air-aged or aged aqueous solution simulating coolant water reactors (PWRs). dispersive acid-base components work adhesion determined. In addition, points zero charge determined by measuring contact angle versus pH solution. Unde...
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