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中国腐蚀与防护学报  2003, Vol. 23 Issue (5): 282-285     
  研究报告 本期目录 | 过刊浏览 |
硝酸铀酰溶液中不锈钢电极表面沉积氧化膜的行为研究
廖俊生;孙颖;陆春海
中国工程物理研究院
BEHAVIOR RESEARCH OF OXIDE FILM FORMED ON THE SURFACEOF STAINLESS STEEL ELECTRODE IN URANYL NITRATE SOLUTION
Junsheng Liao;Ying Sun;Chunhai Lu
中国工程物理研究院
全文: PDF(139 KB)  
摘要: 用动电位极化法研究了不锈钢(1Cr17)电极在NaCl-UO2(NO 3)2溶液中的电化学行为.在阴极反应区,由于氢的不断释放,导致铀酰离子在不锈钢 电极上析出.随着极化电位向阳极区移动,不锈钢电极发生阳极氧化,形成了氧化铀沉积膜. SEM对析出物和沉积膜的形貌进行了分析.AES深度剖析沉积膜的厚度约为40 nm.XPS分析证实 不锈钢腐蚀电极表面沉积膜中铀为U(Ⅵ).
关键词 硝酸铀酰溶液不锈钢动电位极化表面分析    
Abstract:The potentiodynamic polarization method has been us ed to investigate the electrochemical behavior of 1Cr17 stainless steels in NaCl -UO2(NO3)2 solution.The hydrogen gas was evolved in the cathodic reaction region,and led to the evolution of uranyl ion hydrolysis.The film formed on t he stainless steel electrode under the potentiodynamic polarization with increas ing sweep potential.SEM observation revealed image from the surface of the speci men.The deposit film was measured by Ar ion gun sputter,and the thickness was ab out 40 nm.The XPS analysis indicated that the surface region of film formed on the stainless steel electrode is composed of U(Ⅵ).The forming mechanism of depo sit film was initially discussed.
Key wordsuranyl nitrate solution    stainless steel    potentiodyna mic polarization    surface analysis
收稿日期: 2002-12-23     
ZTFLH:  TG174.4  
通讯作者: 廖俊生     E-mail: liao.jsh@163.com
Corresponding author: Junsheng Liao     E-mail: liao.jsh@163.com

引用本文:

廖俊生; 孙颖; 陆春海 . 硝酸铀酰溶液中不锈钢电极表面沉积氧化膜的行为研究[J]. 中国腐蚀与防护学报, 2003, 23(5): 282-285 .
Junsheng Liao, Ying Sun, Chunhai Lu. BEHAVIOR RESEARCH OF OXIDE FILM FORMED ON THE SURFACEOF STAINLESS STEEL ELECTRODE IN URANYL NITRATE SOLUTION. J Chin Soc Corr Pro, 2003, 23(5): 282-285 .

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2003/V23/I5/282

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