Repassivation behavior of alloy 690TT in simulated primary water at different temperatures
作者： Ji Liu , Jianqiu Wang , Zhiming Zhang , Hui Zheng
DOI: 10.1016/J.JMST.2020.06.044
关键词:
摘要: Abstract The repassivation behavior of Alloy 690 T T in simulated primary water at different temperatures was investigated by the rapid scratching electrode technique together with electrochemical measurements. results showed that process had three stages: initial stage conformed to place exchange model, final high field ion conduction model and between there a transition stage. At stage, when alloys controlled anodic dissolution substrate dominated; after film coverage rate more than 0.99, model. Increasing temperature resulted reduction protectiveness passive film. correlations among several mechanisms describing were discussed.
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