Corrosion of nickel-base alloys in primary medium of pressurized water reactors: New insights on the oxide growth mechanisms and kinetic modelling
作者： Loïc Marchetti , Stéphane Perrin , Fanny Jambon , Michèle Pijolat
DOI: 10.1016/J.CORSCI.2015.09.001
关键词:
摘要: Abstract The generalised corrosion of Ni-base alloys exposed to pressurized water reactors primary coolant leads both the growth a protective oxide scale and release cations. Based on experimental results previously published, mechanistic description this phenomenon is proposed. Then, from simplified view theses mechanisms, kinetic model proposed, focusing link between alloy subsurface defects density shape oxidation curves. Comparing calculated curves data shows first approach promising. Nevertheless better knowledge some parameters necessary improve model.
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