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模拟压水堆一回路水环境中Zn对304奥氏体不锈钢氧化膜成分的影响研究

DOI: 10.11903/1002.6495.2013.152, PP. 237-240

Keywords: Zn,304奥氏体不锈钢,压水堆,氧化膜,XPS

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Abstract:

通过模拟压水堆一回路水环境,对304奥氏体不锈钢在320℃含Zn分别为60和120μg/kg两种高温溶液中进行了600h的腐蚀实验,对腐蚀后的试样表面进行了X射线光电子能谱分析(XPS)分析。结果表明,试样在含锌溶液中形成了主要化学成分为Zn(Cr,Fe)2O4的致密氧化膜;提高溶液中Zn的浓度,试样的腐蚀速率降低,氧化膜中Fe含量增多。

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